Huawei BTS3812A-1900 User Manual

NodeB LMT User Guide Table of Contents

Chapter 9 Monitoring NodeB Performance and State in Real Time......................................... 9-1

9.1 About This Chapter............................................................................................................ 9-1

9.2 Overview ............................................................................................................................ 9-1

9.3 Querying CPU/DSP Occupancy ........................................................................................ 9-1

9.4 Querying Cell Service Resource........................................................................................ 9-3

9.5 Testing NodeB RTWP ....................................................................................................... 9-5

9.6 Testing NodeB Clock ......................................................................................................... 9-7

9.7 Scanning NodeB Rx Frequency ........................................................................................ 9-9

9.8 Testing MTRU Output Power........................................................................................... 9-11

9.9 Testing MTRU Temperature ............................................................................................ 9-13

9.10 Testing MRRU Output Power ........................................................................................ 9-14

9.11 Testing MRRU Temperature.......................................................................................... 9-16

9.12 Querying Board Service Resource ................................................................................ 9-17

9.13 Routine Testing NodeB E1/T1 Performance ................................................................. 9-19

9.14 Routine Testing STM-1 Performance ............................................................................ 9-20

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Chapter 9 Monitoring NodeB Performance and State in

NodeB LMT User Guide

Chapter 9 Monitoring NodeB Performance and

State in Real Time

9.1 About This Chapter

This chapter describes how to monitor the NodeB performance and state through the

LMT.

9.2 Overview

The NodeB supports the following performance tests:

z Querying CPU/DSP Occupancy

z Querying Cell Service Resource

z Testing NodeB RTWP

z Testing NodeB Clock

z Scanning NodeB Rx Frequency

z Testing MTRU Output Power

z Testing MTRU Temperature

z Testing MRRU Output Power

z Testing MRRU Temperature

z Querying Board Service Resource

z Routine Testing NodeB E1/T1

z Routine Testing STM-1

Real Time

9.3 Querying CPU/DSP Occupancy

I. Introduction

The CPU/DSP occupancy shows the use of system resources.

II. Prerequisite

None.

III. Procedure

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Caution:

This test cannot be applied to the NFCB, NEMU, GPSRCV or MAFU.

Follow the steps below to test CPU/DSP occupancy:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the CPU/DSP Occupancy subnode.

2) ClickCreate Monitor Task.

3) The system displays the CPU/DSP Occupancy dialog box, as shown in

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Chapter 9 Monitoring NodeB Performance and State in

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Figure

Figure 9-1 CPU/DSP Occupancy dialog box

Table 9-2 describes the fields in the CPU/DSP Occupancy dialog box.

Table 9-1 Field description of CPU/DSP Occupancy dialog box

Field Description

Cabinet No. Value: Master cabinet

Subrack No.

z For the macro NodeB, the baseband subrack number is 0

while the MTRU subrack number is 2.

z For the DBS3800, the MRRU subrack number is any value

from 20 to 199.

Slot No. To set the number of the slot that hosts the board

z For the macro NodeB, the slot number of a board in the

baseband subrack can be 16 or any number from 0 to13.

z For the DBS3800, the slot number of the MRRU subrack

board is 0 by default.

The NDTI/NAOI has two CPUs: CPU0 (master CPU) and CPU1 (slave CPU). Any other board has only one CPU.

The HULP/NULP has four DSPs. The HDLP/NDLP has three DSPs. The HBBI has four DSPs. All others have no DSP.

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MDB FileName

Text FileName

4) Set parameters in the dialog box.

5) Click OK. A monitor window is displayed showing the CPU/DSP occupancy curve.

6) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Then click Delete

Task on the shortcut menu.

IV. Test Result Analysis

1) Analysis of CPU occupancy test results

z When the NodeB works well without carrying services, the CPU occupancy of all

boards shall stay between 5% and 10%.

z The CPU occupancy increases when the NodeB carries services. The occupancy

of all boards shall be smaller than 75%. The system reports alarms if the

occupancy is greater than 75%.

z It is normal for the CPU occupancy to stay at 100% for a few seconds. However, if

the CPU occupancy stays at 100% for more than one minute while the NodeB

does not carry services, the CPU is faulty.

2) Analysis of DSP occupancy test results

Chapter 9 Monitoring NodeB Performance and State in

Real Time

z To create a *.mdb file to save the test curve

z If it is blank, the system saves the test curve into the default

file under the default directory.

z To create a *.txt file to save the test data

z If it is blank, the system will not save the data.

None.

 Note:

z You can open and query the text file that saves the CPU/DSP occupancy test

results.

z The corresponding board is presented at the beginning of the file. The occupancy of

all CPUs and DSPs under test at one time are recorded in one row with the test time.

9.4 Querying Cell Service Resource

I. Introduction

The cell service resource query shows the use of service resources of the cell in real

time. It includes:

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z Number of UEs

z Number of idle HULP CEs

z Number of HULP CEs in use

z Number of idle HDLP CEs

z Number of HDLP CEs in use

II. Prerequisite

None.

III. Procedure

Follow the steps below to query the cell service resource:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the Cell Service Resource Query subnode.

2) Click Create Monitor Task.

The system displays the Cell Resource Query dialog box, as shown in

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Figure

Figure 9-2 Cell Resource Query dialog box

Table 9-2 describes the fields of the Cell Resource Query dialog box.

Table 9-2 Field description of Cell Resource Query dialog box

Field Description

Local Cell ID

MDB FileName

To set the ID of the local cell

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK.A monitor window is displayed showing the service resource occupancy

curve.

5) Stop the test in either way below:

z Close the monitor window.

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z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

Test result analysis of the querying the cell service resource is as follows:

z Uplink resources: include uplink demodulation resources and uplink decoding

resources. The LMT reports uplink resources in points.

z Downlink resources: include downlink modulation resources and downlink

encoding resources. The LMT reports downlink resources in points.

 Note:

The resources for a 12.2 kbit/s voice service channel are regarded as a point. Other

service channel resources can be converted into a multitude of points.

Chapter 9 Monitoring NodeB Performance and State in

Real Time

9.5 Testing NodeB RTWP

I. Introduction

The received total wideband power (RTWP) is the received wideband power in the

band of an uplink channel measured at the UTRAN access point. You can calibrate the

gain of uplink RF channels through RTWP measurement.

The NodeB RTWP test has no negative effect on the services.

II. Prerequisite

None.

III. Procedure

Follow the steps below to test the NodeB RTWP:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the RTWP Measurement subnode.

2) Click Create Monitor Task. The system displays the RTWP Measurement dialog

box, as shown in

Figure 9-3.

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Figure 9-3 RTWP Measurement dialog box

Table 9-3 describes the fields of the RTWP Measurement dialog box.

Chapter 9 Monitoring NodeB Performance and State in

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Table 9-3 Field description of RTWP Measurement dialog box

Field

Subrack No.

z For the macro NodeB, to set the number of the subrack that

Description

hosts the MTRU with default value 2

z For the DBS3800, to set the number of the subrack that hosts

the MRRU with value range from 20 to 199

Slot No.

z For the macro NodeB, to set the number of the slot that hosts

the MTRU with value range from 0 to 5

z For the DBS3800, to set the number of the slot that hosts the

MRRU with default value 0

z To set intervals of report

Report Period(s)

Pn(0.1 dBm)

z Unit: Second

z Value range: 1 second

z To set the RTWP when the NodeB carries no service, that is,

the initial gain of the uplink channel

z It is the initial reference value to calculate the uplink load of the

cell.

z Default value: –105.5 dBm.

z To create a *.mdb file to save the test curve

MDB FileName

z If it is blank, the system saves curve into the default file under

the default directory

z To create a *.txt file to save the test data

Text FileName

z If it is blank, the system will not save the data.

z You can open the file to view the data. The file shows the

MTRU/MRRU corresponding to the antennas at the start. In each line are the GPS time and the RTWP values of a pair of main and diversity antennas.

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3) Set parameters in the dialog box.

4) Click OK. A monitor window is displayed showing the RTWP curve.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

The analysis of the RTWP test result is as follows:

z If the NodeB is not connected to the antenna and feeder system or a matched load,

the RTWP is about –108 dBm.

z If the NodeB is connected to the antenna and feeder system (with TMA switched

on) or a matched load, the RTWP is about –105 dBm.

z If the servicses are normal and the uplink load reaches 75%, the RTWP is 6 dB

higher than the RTWP when the NodeB does not carry any service.

Chapter 9 Monitoring NodeB Performance and State in

Real Time

 Note:

z When the RTWP reported is valid, the curve is normal. The vertical axis

corresponds to the reported RTWP with unit of 0.1 dBm.

z When the reported RTWPs are invalid, abnormal RTWP curves are displayed. The

RTWPs for the main antenna form a horizontal line at –1120 dBm on the vertical

axis. The RTWPs for the diversity antenna form a horizontal line at –1115 dBm on

the vertical axis. The error may lie in the absent MTRU/MRRU, a broken link, or a

faulty channel. In this case, you shall clear the fault first.

9.6 Testing NodeB Clock

I. Introduction

The clock source quality is crucial to the operation of the system. You need to handle

the clock alarm in time.

You can test the quality of the clock source beforehand.

The NodeB clock test has no negative effect on the system or services.

II. Prerequisite

A reference clock source to the NodeB must be configured before the clock test.

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III. Procedure

Follow the steps below to perform the clock test:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the Clock Test subnode.

2) Click Create Monitor Task. The system displays the Clock Test dialog box, as

shown in

Figure 9-4 Clock Test dialog box

Chapter 9 Monitoring NodeB Performance and State in

Real Time

Figure 9-3.

Table 9-4 describes the fields of the Clock Test dialog box.

Table 9-4 Field description of Clock Test dialog box

Field Description

Slot No.

z For the macro NodeB, the number of the slot that hosts the

NMPT can be 10 or 11.

z For the DBS3800, the number of the slot that hosts the

MBBU is 0 by default.

z To create a *.mdb file to save the test curve

MDB FileName

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK. A monitor window is displayed showing the clock test curve.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

Analyses of the NodeB clock test result are as follows:

1) Result reporting period

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The reporting periods of phase discrimination value and DA value are different. The

reporting period of phase discrimination value is 1 second. The reporting period of DA

value depends on the type of the clock source.

z For the GPS or BITS clock source, the reporting period of DA value is 2 minutes in

normal condition. If there is fluctuation or frequency deviation on the clock, the

period may be longer than 2 minutes. It is normal if the first reporting period is

greater than 2 minutes.

z For the Iub clock source, the reporting period of DA value is 30 minutes in normal

situation. If there is fluctuation or frequency deviation on the clock, the period may

be longer than 30 minutes. It is normal if the first reporting period is greater than 30

minutes.

2) Phase discrimination value

If the difference of the reported phase discrimination value and the actual value

(10 MHz) is greater than ±1 Hz, you need to check whether there is problem in the

clock source.

Chapter 9 Monitoring NodeB Performance and State in

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9.7 Scanning NodeB Rx Frequency

I. Introduction

The Rx frequency scanning helps you examine electromagnetic environment and

internal interference of the NodeB.

The process is as follows: The MTRU/MRRU scans the frequency, calculates the

strength of received signals, and then reports the result.

II. Prerequisites

z It is recommended to do Rx frequency scanning before cell configuration.

z The MTRU/MRRU must be blocked before Rx frequency scanning starts.

III. Procedure

Follow the steps below to scan the NodeB Rx frequency:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the Rx Frequency Scanning subnode.

2) Click Create Monitor Task. The system displays the Rx Frequency Scanning

dialog box, as shown in

Figure 9-5.

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Figure 9-5 Rx Frequency Scanning dialog box

Chapter 9 Monitoring NodeB Performance and State in

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Table 9-5 describes the fields of the Rx Frequency Scanning dialog box.

Table 9-5 Field description of Rx Frequency Scanning dialog box

Field Description

Cabinet No. Value: Master cabinet

z For the macro NodeB, the number of the subrack that hosts

Subrack No.

the MTRU is 2.

z For the DBS3800, the number of the subrack that hosts the

MTRU can be any number from 20 to 199.

Slot No.

z For the macro NodeB, the number of the slot that hosts the

MTRU is any number from 0 to 5.

z For the DBS3800, the number of the slot that hosts the MTRU

is the default value 0.

Start RF Frequency (200kHz)

End RF Frequency (200kHz)

z To set the start frequency of the scanning

z Value range: 9610 to 9890

z Unit: 200 kHz

z To set the end frequency of the scanning

z Value range: 9610 to 9890

z Unit: 200 kHz

z Note that the End RF Frequency has to be higher than the

Start RF Frequency.

Scanning Frequency Interval (200kHz)

z To set the frequency intervals of the scanning

z Value range: 1 to 300

z Unit: 200 kHz

Scanning Time Interval (0.1s)

z Value range: 2 to 600

z Unit: 0.1 s

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Field Description

MDB FileName

3) Set parameters in the dialog box.

4) Click OK.

A dialog box prompts you whether to start the Rx frequency scanning.

5) Click Yes.

A monitor window is displayed showing the scanning curve.

 Note:

The scanning automatically stops when it reaches the end RF frequency.

Chapter 9 Monitoring NodeB Performance and State in

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

Real Time

6) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

The test result analysis of Rx frequency scanning is as follows:

z If the NodeB is separated from the antenna and feeder system, the curve has

jumps greatly higher than –108 dBm. This indicates that there must be internal

interference of the NodeB.

z If the NodeB is connected to the antenna and feeder system with NTTA powered

on, the curve has jumps greatly higher than –105 dBm. This indicates that there

must be external interference of the NodeB.

z The shape of jumps tells the interference type in most cases:

z A triangular or trapezium jump: There are broadband interferences. The peak of

the jump is the central frequency of the interference.

z A rectangle jump or a jump added with a rectangle: There is individual tone

interference. The central point of the upper side of the rectangle is the interfering

frequency.

9.8 Testing MTRU Output Power

I. Introduction

The MTRU output power test measures the output power of the MTRU, including:

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z Total output power

z Output power of each carrier.

II. Prerequisite

none.

III. Procedure

Follow the steps below to test the MTRU output power:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the MTRU Output Power subnode.

2) Click Create Monitor Task.

The system displays the MTRU Output Power dialog box, as shown in

Chapter 9 Monitoring NodeB Performance and State in

Real Time

Figure 9-6

Figure 9-6 MTRU Output Power dialog box

Table 9-6 describes the fields of the MTRU Output Power dialog box.

Table 9-6 Field description of MTRU Output Power dialog box

Field Description

Cabinet No. Value: Master cabinet

Subrack No.

Slot No.

MDB FileName

z To set the number of the subrack that hosts the MTRU

z Value: 2

z To set the number of the slot that hosts MTRU.

z Value range: 0 to 5.

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under the

default directory.

3) Set parameters in the dialog box.

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4) Click OK.

A monitor window is displayed showing the service resource occupancy curve.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

Once the test is started, the system reports the output power of the MTRU and each

carrier every two seconds.

9.9 Testing MTRU Temperature

I. Introduction

The MTRU temperature test measures the temperatures of the MTRU board and the

internal power amplifier.

Real Time

II. Prerequisite

None.

III. Procedure

Follow the steps below to test the MTRU temperature:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the MTRU Temperature subnode.

2) Click Create Monitor Task.

The system displays the MTRU Temperature dialog box, as shown in

Figure 9-7.

Figure 9-7 MTRU Temperature dialog box

Table 9-7 describes the fields of the MTRU Temperature dialog box.

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Table 9-7 Field description of MTRU Temperature dialog box

Field Description

Cabinet No. Value: Master cabinet

Chapter 9 Monitoring NodeB Performance and State in

Real Time

Subrack No.

Slot No.

MDB FileName

z To set the number of the subrack that hosts the MTRU

z Value: 2

z To set the number of the slot that hosts MTRU.

z Value range: 0 to 5

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK.

A monitor window is displayed showing the MTRU temperature curve.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

z Once the test is started, the system reports the temperatures of the MTRU board

and the internal power amplifier every two seconds.

z Alarms are reported if the temperature of the power amplifier is higher than the

allowed temperature.

9.10 Testing MRRU Output Power

I. Introduction

The MRRU output power test tells the output power status of MRRU, including

z Total output power of MRRU

z Output power of each carrier

II. Prerequisite

None.

III. Procedure

Follow the steps below to test the MRRU output power:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the MRRU Output Power subnode.

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2) Click Create Monitor Task.

The system displays the MRRU Output Power dialog box, as shown in

9-8

Figure 9-8 MRRU Output Power dialog box

Table 9-8 describes the fields of the MRRU Output Power dialog box.

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Figure

Table 9-8 Field description of MRRU Output Power dialog box

Field Description

Cabinet No.

Subrack No.

Slot No.

MDB FileName

Value: Master cabinet

z To set the number of the subrack that hosts the MRRU

z Value range: from 20 to 199

Default value: 0

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK.

A monitor window is displayed showing the curve of the current task.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

Once the test is started, the system reports the output power of the MRRU and each

carrier every two seconds.

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9.11 Testing MRRU Temperature

I. Introduction

The MRRU temperature test tells temperatures of the MRRU and power amplifier in the

MRRU.

II. Prerequisite

None.

III. Procedure

Follow the steps below to test temperatures of the MRRU board and the power

amplifier:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the MRRU Temperature subnode.

2) Click Create Monitor Task.

The system displays the MRRU Temperature dialog box, as shown in

Real Time

Figure 9-9.

Figure 9-9 MRRU Temperature dialog box

Table 9-9 describes the fields of the MRRU Temperature dialog box.

Table 9-9 Field description of the MRRU Temperature dialog box

Field Description

Cabinet No. Value: Master cabinet

Subrack No. Value range: 20 to 199

Slot No.

z To set the number of the slot that hosts the MRRU

z Default value: 0

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Field Description

Chapter 9 Monitoring NodeB Performance and State in

Real Time

MDB FileName

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK.

A monitor window is displayed showing the curve of the current task.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

z Once the test is started, the system reports the temperatures of the MRRU and the

power amplifier in the MRRU every two seconds.

z Alarms are reported when the temperature of the power amplifier is higher than

the allowed temperature.

9.12 Querying Board Service Resource

I. Introduction

The board service resource query shows the use of service resources of the board in

real time. It includes:

z Total service resources of a board

z Service resources in use

z Idle service resources

II. Prerequisite

None.

III. Procedure

Follow the steps below to test the board service resources:

1) Choose Maintenance Navigator -> Realtime State Monitoring. Right-click on

the Board Resource Query subnode.

2) Click Create Monitor Task.

The system displays the Board Resource Query dialog box, as shown in

9-10

Figure

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Figure 9-10 Board Resource Query dialog box

Table 9-10 describes the fields of the Board Resource Query dialog box.

Table 9-10 Field description of Board Resource Query dialog box

Field Description

Cabinet No. Value: Master cabinet

Chapter 9 Monitoring NodeB Performance and State in

Real Time

Slot No.

z For the macro NodeB, to set the numbers of the slots that host

HULP/NDLP, HDLP/NDLP and HBBI with value range from 0 to 9

z For the DBS3800, to set the number of the slot that hosts the

MBBU with default value 0

MDB FileName

z To create a *.mdb file to save the test curve

z If it is blank, the system saves curve into the default file under

the default directory.

3) Set parameters in the dialog box.

4) Click OK.

A monitor window is displayed showing the curve of the current task.

5) Stop the test in either way below:

z Close the monitor window.

z Right-click the task in the task list below the graphical area. Click Delete Task on

the shortcut menu to delete the task and curve.

IV. Test Result Analysis

The board service resource occupancy is presented in percentage calculated through

dividing the total points by the occupied points. It includes

z NBBI: resource occupancy for demodulating, decoding and encoding the DSP

z HULP: resource occupancy for demodulating and decoding the DSP

z HDLP: resource occupancy for encoding the DSP

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 Note:

z This query is only for the usable DSP. There is no result for the unusable DSP.

z The resources for a 12.2 kbps voice service channel are regarded as a "point".

Other service channel resources can be converted into a multitude of points.

9.13 Routine Testing NodeB E1/T1 Performance

I. Introduction

The E1/T1 performance routine test shows the quality of the E1/T1 cable.

This test has no negative effect on the services, and can be done by the MML

command only.

II. Prerequisite

Real Time

The E1/T1 cable has no physical damage but has error bit in transmission.

III. Procedure

Follow the steps below to perform an E1/T1 performance routine test:

1) Execute the MML command of STR E1T1RTTST.

An E1/T1 performance routine test is started.

2) Note down the ID for the task under test.

 Note:

z When the E1/T1 routine test is started, the NodeB assigns an ID to each task and

sends it to you. With this ID, you can query the task under test.

z If you lose the ID, execute the MML command of LST RTTST to get it.

3) Wait for a while longer than the test time set by the MML command of STR

E1T1RTTST. Execute the MML command of STP RTTST to stop the test.

Then the system displays the E1/T1 performance routine test result.

IV. Test Result Analysis

You can tell the E1/T1 link status through E1/T1 performance routine test in real time.

Any error in the test results indicates a line fault.

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The test result is invalid when there is signal loss or out-of-synchronization frame. In

this case, all the indices should be 0.

The indices in the E1/T1 performance routine test results include

z Line Conflicting Error Rate: measures conflicts in line code type.

z Framing Error Rate: measures errors in frame synchronization signals.

z CRC Error Rate: measures errors in CRC4 multi-frame receiving.

z Ebit Error Rate: measures errors in CRC4 multi-frame transmitting at the peer

end.

The above indices reflect the transmission status of the E1/T1 link, which is related to

the code and frame structure of the link.

z If an error occurs, check that the code types and frame structures at both ends of

the link are the same.

z If they are the same but the error still exists, check the clock status. This is

because of vibrations of the clock.

9.14 Routine Testing STM-1 Performance

Real Time

I. Introduction

The STM-1 performance routine test shows the STM-1 link status.

This routine test has no negative impact on the services and can be done by the MML

command only.

II. Prerequisite

The STM-1 link has no physical damage but has error bit in transmission.

III. Procedure

Follow the steps below to perform the STM-1 performance routine test:

1) Execute the MML command of STR STM1RTTST.

An STM-1 performance routine test is started.

2) Note down the ID for the task under test.

 Note:

z When the STM-1 performance routine test is started, the NodeB assigns an ID to

each task and sends it to you. With this ID, you can query the task under test.

z If you lose the ID, execute the MML command of LST RTTST to get it.

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NodeB LMT User Guide

3) Wait for a while longer than the test time set by the MML command of STR

STM1RTTST. Execute the MML command of STP RTTST to stop the test.

Then the system displays the results of the STM-1 performance routine test.

IV. Test Result Analysis

You can tell the STM-1 link status by the STM-1 performance routine test in real time.

Any error in the test results indicates a line fault.

The test result is invalid when there is signal loss or out-of-synchronization frame. In

this case, all the indices should be 0.

The indices in the STM-1 performance routine test results include

z LOCD Event Rate: measures lost cells.

z Rx Corrected HEC Error Rate: measures HEC errors because of single-bit errors

during cell delimitation.

z Rx Uncorrectable HEC Error Rate: measures HEC errors because of multi-bit

errors during cell delimitation.

z Off Event Rate: measures errors in SDH frame synchronization.

z Line BIP Error Rate: measures line bit errors.

z Section BIP Error Rate: measures section bit errors.

z Path BIP Error Rate: measures path bit errors.

z Line FEBE Error Rate: measures bit errors in receiving on the line.

z Path FEBE Error Rate: measures bit errors in receiving on the path.

z Idle Cell Rate: measures wrongly inserted cells.

z Tx Cell Rate: measures cells sent over the UTOPIA port.

z Rx Cell Rate: measures cells received over the UTOPIA port.

Chapter 9 Monitoring NodeB Performance and State in

Real Time

The above indices reflects the receive status of the STM-1 link. STM-1 link status

depends on the cable clock and the physical status of the link. If there is any error,

query the alarm and line clock status.

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NodeB LMT User Guide Table of Contents

Chapter 10 Monitoring External Environment of NodeB......................................................... 10-1

10.1 About This Chapter........................................................................................................ 10-1

10.2 Monitoring External Environment of NodeB .................................................................. 10-1

10.2.1 Overview of External Environment...................................................................... 10-1

10.2.2 Monitoring Input Power Supply ........................................................................... 10-1

10.2.3 Monitoring Temperature and Humidity................................................................ 10-2

10.2.4 Smoke and Anti-theft Alarms .............................................................................. 10-3

10.2.5 Customized Alarms ............................................................................................. 10-3

10.3 Monitoring Input Power Supply...................................................................................... 10-4

10.3.1 Overview ............................................................................................................. 10-4

10.3.2 Setting NEMU Input Voltage Alarm Thresholds.................................................. 10-4

10.3.3 Querying NEMU Alarm Thresholds for Input Voltage ......................................... 10-4

10.3.4 Querying NEMU Input Voltage............................................................................ 10-4

10.4 Monitoring Temperature and Humidity .......................................................................... 10-5

10.4.1 Overview ............................................................................................................. 10-5

10.4.2 Querying NEMU Temperature and Humidity ...................................................... 10-5

10.4.3 Setting Thresholds of NEMU Temperature and Humidity................................... 10-5

10.4.4 Querying Thresholds of NEMU Temperature and Humidity ............................... 10-6

10.5 Smoke and Anti-theft Alarms......................................................................................... 10-6

10.5.1 Overview ............................................................................................................. 10-6

10.5.2 Clearing NEMU Smoke and Enclosure Alarms................................................... 10-6

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

Chapter 10 Monitoring External Environment of

NodeB

10.1 About This Chapter

This chapter describes how to monitor the external environment of the NodeB through

the LMT.

10.2 Monitoring External Environment of NodeB

10.2.1 Overview of External Environment

To ensure long-term stable running of the NodeB, you need to monitor the environment

of the NodeB equipment room. It includes:

z Monitoring Input Power Supply

z Monitoring Temperature and Humidity

z Smoke and Anti-theft Alarms

z Customized Alarms

10.2.2 Monitoring Input Power Supply

I. DC Power Supply

The NodeB uses –48 V DC power supply which shall meet the following requirements:

z Allowed voltage fluctuation range: –40 V to +60 V DC

z Regulated voltage precision: when the AC input voltage fluctuates between 85%

and 110% of the rated value and the load current fluctuates between 5% and

100% of the rated value, the output voltage of the rectifier stays at a value in the

range between –46.0 V and –56.4 V. The regulated voltage precision is smaller

or equal to 1%.

z Overshoot range of powering on or off NodeB: within the range of ±5% of the rated

DC output voltage

z Peak to peak noise voltage: smaller or equal to 200 mV

z Dynamic response: The restore time is shorter than 200 ms. The overshoot value

is within the range of –5% to +5% of the rectified DC output voltage.

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

II. AC Output Power Supply

The AC power supply for the NodeB shall meet the following requirements:

z The electric network for the NodeB is independently and good in quality.

z The AC power distribution capacity of the equipment room depends on the

working current and fault current of the equipment. Each independent device must

be equipped with independent facilities for AC power distribution protection. The

threshold of the protection switch shall be higher than the downstream electric

equipment.

z Use voltage regulation devices in either case below:

z When the communications equipment is directly powered by mains supply, the

power supply voltage is 5% higher or 10% lower than the rated voltage or out of

the allowed voltage range of the communications equipment.

z When the communications equipment is not directly powered by mains supply, the

power supply voltage is 10% higher or 15% lower than the rated voltage or out of

the allowed AC input voltage range of the DC power equipment.

z Apply the UPS or DC-to-AC converters to the power supply for normal services.

z To ensure critical communications load and power load in mains failure, the office

site shall be equipped with a generator set for power supply. The capability of the

set is 1.5 to 2 times of the total capability of AC uninterruptible electric equipment.

z The AC voltage and its fluctuation range shall meet the requirements listed in

Table 10-1.

Table 10-1 Requirements for AC voltage and its fluctuation range

Input voltage range Power frequency Wave distortion

90% to 110% of rated voltage

98% to 102% of rated power frequency

10.2.3 Monitoring Temperature and Humidity

Table 10-2 lists the requirements for the temperature and humidity of the equipment

room.

Table 10-2 NodeB working conditions

Item Range

Temperature 0°C to 45°C Normal operating

conditions

Safe operating conditions

Relative humidity 20% RH to 85% RH

Temperature

Relative humidity 5% RH to 95% RH

Smaller than the total harmonic component

5°C to +50°C

–

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

 Note:

z In normal operating conditions, measure the temperature and humidity 2 meters

above the floor and 0.4 meter in front of the equipment. Make sure that there are no

fenders in front of or behind the rack during the process.

z Safe operating condition means the system operates for less than 48 hours

continuously at a time and less than 360 hours in sum in a year.

10.2.4 Smoke and Anti-theft Alarms

z Smoke alarm: monitors smoke and fire in the NodeB site in real time.

z Anti-theft alarm: monitors the equipment room in case of theft. It is recommended

to use dual-mode detector with infrared and short wave.

10.2.5 Customized Alarms

Customized alarms refer to alarms customized by you.

Elements for customizing an alarm include:

z External interface of the NodeB

z Alarming ID corresponding to the external interface

z Test mode for the external interface, such as high electric level, low electric level

z Whether to close the customized alarm of the external interface

The value range for the customized alarm is from 65334 to 65534.

 Note:

z The NodeB does not support modification on the customized alarm severity.

z The alarm name, alarm ID and alarm severity are defined in the M2000 server. For

details, see iManager M2000 Mobile Element Management System Operation

Manual.

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

10.3 Monitoring Input Power Supply

10.3.1 Overview

The input power monitoring refers to monitoring the input power in real time. Once the

input voltage does not conform to the threshold settings, the system reports an alarm.

10.3.2 Setting NEMU Input Voltage Alarm Thresholds

I. Introduction

You can set the alarm thresholds for the NEMU input voltage.

II. Procedure

Execute the MML command of SET NEMUINVLIMIT.

10.3.3 Querying NEMU Alarm Thresholds for Input Voltage

I. Introduction

You can query the alarm thresholds for NEMU input voltage.

II. Procedure

Execute the MML command of LST NEMUINVLIMIT.

10.3.4 Querying NEMU Input Voltage

I. Introduction

You can query the NEMU input voltage.

II. Procedure

Execute the MML command of DSP NEMUINV.

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

10.4 Monitoring Temperature and Humidity

10.4.1 Overview

Monitoring the temperature and humidity refers to monitoring the temperature and

humidity of the NodeB external environment in real time. Once the input power does

not conform to the thresholds, the system reports an alarm.

10.4.2 Querying NEMU Temperature and Humidity

I. Introduction

You can monitor the cabinet ambient temperature and humidity by querying the NEMU

temperature and humidity.

II. Procedure

Execute the MML command of DSP NEMUTH.

10.4.3 Setting Thresholds of NEMU Temperature and Humidity

I. Introduction

You can set the thresholds of the ambient temperature and humidity of the NEMU.

The NEMU measures the ambient temperature and humidity of the equipment room

through the temperature and humidity sensors, and compares the measured values

with the preset thresholds. If the values do not conform to the thresholds, the NEMU

generates corresponding temperature and humidity alarms.

II. Procedure

Caution:

z Execute the command only when the NEMU works well.

z There must be a gap of no less than 3°C between the upper limit and the lower limit

of the temperature, and a gap of no less than 5% between those of the humidity.

Execute the MML command of MOD NEMUTHLIMIT.

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NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

10.4.4 Querying Thresholds of NEMU Temperature and Humidity

I. Introduction

You can query the thresholds of the ambient temperature and humidity of the NEMU.

II. Procedure

Caution:

Execute the command only when the NEMU works well.

Execute the MML command of LST NEMUTHLIMIT.

10.5 Smoke and Anti-theft Alarms

10.5.1 Overview

You can monitor whether there is smoke, fire or theft in the equipment room in real time

with the smoke and anti-theft alarms.

10.5.2 Clearing NEMU Smoke and Enclosure Alarms

I. Introduction

You can clear the NEMU smoke and enclosure alarms.

II. Procedure

Execute the MML command of CLR NEMUALM.

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NodeB LMT User Guide Table of Contents

Chapter 11 141 Test..................................................................................................................... 11-1

11.1 About This Chapter........................................................................................................ 11-1

11.2 Overview ........................................................................................................................ 11-1

11.2.1 Introduction to 141 Test ...................................................................................... 11-1

11.2.2 Precautions ......................................................................................................... 11-1

11.3 Setting Cell Parameters................................................................................................. 11-2

11.4 UL 141 Test ................................................................................................................... 11-9

11.4.1 Introduction to UL 141 Test................................................................................. 11-9

11.4.2 Testing UL DPCH.............................................................................................. 11-10

11.4.3 Testing UL RACH.............................................................................................. 11-14

11.5 DL 141 Test ................................................................................................................. 11-17

11.5.1 Introduction to DL 141 Test............................................................................... 11-17

11.5.2 Testing Max Transmit Power ............................................................................ 11-18

11.5.3 Testing CPICH Power Accuracy ....................................................................... 11-20

11.5.4 Testing Frequency Error ................................................................................... 11-21

11.5.5 Testing Transmit Intermodulation...................................................................... 11-23

11.5.6 Testing IPDL Time Mask................................................................................... 11-24

11.5.7 Testing Power Control Steps ............................................................................ 11-25

11.5.8 Testing Power Control Step or Dynamic Range ............................................... 11-28

11.5.9 Testing Total Dynamic Range........................................................................... 11-30

11.5.10 Testing Occupied Bandwidth .......................................................................... 11-31

11.5.11 Testing Spurious Emission.............................................................................. 11-32

11.5.12 Testing Spectrum Emission ............................................................................ 11-35

11.5.13 Testing ACLR.................................................................................................. 11-36

11.5.14 Testing EVM.................................................................................................... 11-37

11.5.15 Testing PCDE.................................................................................................. 11-38

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NodeB LMT User Guide Chapter 11 141 Test

Chapter 11 141 Test

11.1 About This Chapter

This chapter describes how to test the NodeB RF performance through the LMT,

including

z Overview

z Setting Cell Parameters

z UL 141 Test

z DL 141 Test

11.2 Overview

11.2.1 Introduction to 141 Test

The 141 test is based on the 3GPP TS25.141 protocol, which tests the NodeB RF

performance.

The 141 test mainly depends on the self-test of the equipment. This means the

functional test and index test of the equipment are completed by the built-in test

modules such as the software module and hardware module.

The 141 test needs external devices to set up a test environment before the NodeB

carries services. The 141 test applies to preliminary RF performance acceptance in the

initial phase of NodeB.

The 141 test on the NodeB include

z UL 141 Test

z DL 141 Test

11.2.2 Precautions

Be cautious about the following items before a 141 test:

z External devices are required for the test because it cannot be done on the NodeB

alone.

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NodeB LMT User Guide Chapter 11 141 Test

 Note:

For details of setting up compatible test environment and operating other devices, see

relevant RF test guides.

z You need to disconnect the NodeB with the RNC before the 141 test. In that case

the NodeB cannot carry services. Try to avoid this test on a running NodeB.

z It is recommended to finish this test before the NodeB starts to carry services.

z To ensure normal services on the NodeB, reset the NodeB after the 141 test.

You can get the 141 test result as shown on the 141 test tab page in the output area.

11.3 Setting Cell Parameters

I. Introduction

Before a 141 test, select the cell to be tested and then the test item.

The system sets up a channel according to the test item and other specified parameters.

You need to set part of the parameters manually.

II. Prerequisite

None.

III. Procedure

To set the cell parameters, proceed as follows:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

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NodeB LMT User Guide Chapter 11 141 Test

Figure 11-1 141 Test dialog box

Table 11-1 describes the fields of the 141 Test dialog box.

Table 11-1 Field description of 141 Test

dialog box

Field Description

List of cells with parameters

Set Cell Parameters…

To list the cells set with parameters.

By clicking this button, you can set the parameters of a cell or modify the preset parameters for a cell.

This button is applicable only when cell parameters have

Start RF Test…

been set. By clicking this button you can start an RF 141 test.

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Field Description

There are two nodes in this pane:

z DL test started

Started 141 Test

z UL test started

The subnodes respectively display the started UL and DL test items.

The information in this pane is automatically refreshed.

The TPC commands in the UL need to be transferred to the DL in test of power control steps of the DL 141 test. Therefore, you need to set relations between the UL

Set Conversion

channel and the DL channel before the test.

Relation

By clicking this button, you can set relations between the UL and the DL channels before starting the test of power control steps.

Reset

By clicking this button, you can reset the reported information during the UL 141 test.

By choosing an item under test and clicking this button, you can query parameters of that item.

Parameter

It is only available in modifying some parameters for the total dynamic range test in the DL 141 test. For other tests, you can only query other than modify the parameters by clicking this button.

Stop

Stop All

By choosing an item under test and clicking this button, you can stop that item.

By clicking this button, you can stop all the test items under test.

Close By clicking this button, you can close the dialog box.

3) Click Set Cell Parameters in the dialog box. The system displays Cell

Parameters dialog box as shown in

Figure 11-2.

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NodeB LMT User Guide Chapter 11 141 Test

Figure 11-2 Cell Parameters dialog box (macro NodeB)

Table 11-2 describes the fields of the Cell Parameters dialog box of the macro NodeB.

Table 11-2 Field description of Cell Parameters dialog box

Field Description

Local Cell ID Value range: Cell 0 to Cell 11

Diversity State Value range: Non-diversity, Diversity

Value range: 400.0 to 2500.0

UL Frequency (MHz)

Unit: MHz

Value range: 400.0 to 2500.0

DL Frequency (MHz)

Unit: MHz

whether the RRU is connected or not

RRU Connect Flag

Be sure to select Connected with RRU when an RRU is configured.

The delay caused by optical fibers between the BBI and the RRU

Fiber Delay between RRU-BBI

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When the space between the BBI and the RRU is greater than three meters, connect them through optical fibers.

When you select RRU Connect Flag -> Not Connected with RRU, the value is unavailable.

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NodeB LMT User Guide Chapter 11 141 Test

Field Description

Cell Radius (m)

Primary Scrambling Code

T Cell

Max Transmit Power (0.1dbm)

Main TRU Slot

Diversity TRU Slot

Value range: 150 to 180000

Unit: meter

Value range: 0 to 511

Default value: 0

Unit: Chip

Value range: 0 to 9

Default value: 0

Unit: 256Chip

Value range: 0 to 50 dBm

Precision: 0.1 dBm

To set the Tx main channel for the cell

z When you select Diversity State -> Diversity, the value

of the Tx main channel for that cell is 0, 2, 4.

z When you select Diversity State -> Non-diversity, the

value of the Tx channel for that cell is 0, 1, 2, 3, 4, 5.

To set the Tx diversity channel for the cell

z When you select Diversity State -> Diversity, it will be

dimmed as 1.

z When you select Diversity State -> Non-diversity, it will

be dimmed as NULL.

The PA specification in the main MTRU

Main TRU Power Capability

The value must be consistent with the MTRU type.

Value range: 30 W, 40 W.

It refers to the PA specification in the diversity MTRU.

Diversity TRU Power Capability

z When you select Diversity State -> Diversity, the value

is either 30 W or 40 W, which is decided by the MTRU type.

z When you select Diversity State -> Non-diversity, the

value is not available.

The connection between the MTRU and HBBI

Connection at CPRI Ports

Value range: Connects to NBBI0 only, Connects to NBBI1 only, Connects to both NBBI0 and NBBI1

Optical Port Unavailable value: 0

To set the number of the slot that hosts the HDLP/NDLP and HBBI which contain encoding DSPs

DLP Slot

Value range: 0, 1, 8, 9

0 and 1 indicate the HBBI while 8 and 9 indicate the HDLP/NDLP.

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NodeB LMT User Guide Chapter 11 141 Test

Field Description

One HDLP/NDLP contains three encoding DSPs. One HBBI Contains one encoding DSP.

Each encoding DSP supports up to two cells.

Encoding DSP ID

z When you set the DLP Slot as 0 or 1, the value can be

NEC0 only.

z When you set the DLP Slot as 8 or 9, the value can be

NEC0, NEC1 or NEC2.

SD610 Cell ID Unavailable value: 0

TRU/RRU Freq Num Unavailable value: 0

Figure 11-3 Cell Parameters dialog box (DBS3800)

Table 11-3 describes the fields of the Cell Parameters dialog box of the DBS3800.

Table 11-3 Cell Parameters dialog box of DBS3800

Field Description

Local Cell ID Value range: Cell 0 to Cell 2

Diversity State Value range: Diversity, Non-diversity

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Field Description

UL Frequency (MHz)

DL Frequency (MHz)

Cell Remote Mode

Fiber Delay between RRU-BBU

Cell Radius (m)

Primary Scrambling Code

Value range: 400.0 to 2500.0

Unit: MHz

Value range: 400.0 to 2500.0

Unit: MHz

To decide whether to use the remote mode

Be sure to select Connected with RRU when an RRU is configured.

It refers to the delay caused by optical fibers between the BBU and RRU. When the space between the BBU the RRU is greater than three meters, connect them through optical fibers.

Value range: 150 to 180000

Unit: MHz

Value range: 0 to 511

Default value: 0

Unit: Chip

Value range: 0 to 9

T Cell

Max Transmit Power (0.1 dBm)

Main RRU Frame No. (20~199)

Diversity RRU Frame No. (20~199)

Default value: 0

Unit: 256Chip

Value range: 0 to 50.0 dBm

Precision: 0.1 dBm

Value range: 20 to 199

z When you select Diversity State -> Diversity, the

default value is 21.

z When you select Diversity State -> Non-diversity, the

value is dimmed as NULL.

Main RRU Power Capability

It refers to the PA specifications in the main RRU. The value must be consistent with the RRU type.

It refers to the PA specifications in the diversity RRU.

Diversity RRU Power Capability

z When you select Diversity State -> Diversity, the value

must be consistent with the RRU type.

z When you select Diversity State -> Non-diversity, the

value is unavailable as 0.

BBU Frame No. Default value: 0

RRU Freq Num Unavailable value: 0.

DLP Slot Default value: 0

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NodeB LMT User Guide Chapter 11 141 Test

Field Description

Encoding DSP ID Default value: NEC0

SD610 Cell ID Unavailable value: 0.

4) Set the parameters for the cell to be tested in the dialog box.

5) Click OK and return to the 141 Test dialog box.

Then the Start RF Test… button becomes available.

11.4 UL 141 Test

11.4.1 Introduction to UL 141 Test

The UL 141 test is to test the RF performance of the NodeB Rx channels. During the

test, the NodeB sets up UL channels between the boards of MTRU, HBBI and HULP

(NULP).

According to different UL channels, the UL 141 test is divided into

z UL DPCH 141 test

z UL RACH 141 test

z UL HS-DPCCH 141 test

The test process is as follows:

1) Use a signal generator to transmit signals for the UL 141 test. For any type of 141

test, the NodeB only receives and displays the measured BER/BLER values on

the LMT interface.

2) Adjust the transmitted signals until the BER/BLER values meet the RF

performance requirements.

3) Record the data measured.

Then you get the test result. You can verify the result with the 3GPP TS25.141 protocol.

The UL 141 test items include

z Reference receive sensitivity

z Dynamic range of received signals

z Adjacent channel selectivity

z Blocking feature

z Intermodulation feature

z Rx spurious emissions

z Internal BER/BLER verification

During the test, select different test items for different NodeB RF performance. For

details, see the 3GPP TS25.141 protocol.

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11.4.2 Testing UL DPCH

I. Introduction to UL DPCH Test

Before a UL DPCH test, the NodeB runs as follows:

1) Decide whether the test mode is Diversity Test, Main Test or Main/Diversity on the

MTRU/MRRU.

2) Close the channels not in use.

3) Establish channels between UL processing units according to preset parameters.

4) Start the UL DPCH test.

II. Prerequisite

You have set the cell parameters related to this test.

III. Procedure

Follow the steps below to test the UL DPCH:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

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NodeB LMT User Guide Chapter 11 141 Test

Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

Figure 11-4 141 test type dialog box

3) Choose UL Multi-channel Test in the dialog box.

4) Click Next.

The UL Test Item dialog box opens up as shown in

Figure 11-5.

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NodeB LMT User Guide Chapter 11 141 Test

Figure 11-5 UL Test Item dialog box

5) Choose Main/Diversity Test, Main Test or Diversity Test under DPCH Test in

the dialog box.

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NodeB LMT User Guide Chapter 11 141 Test

Click Next.

The Tes t Para mete r dialog box opens up as shown in

Figure 11-6.

Figure 11-6 Test Parameters dialog box (UL DPCH 141 test)

Table 11-4 describes the fields of the Tes t Para m eter dialog box (UL DPCH test).

Table 11-4 Field description of Test Parameter dialog box (UL DPCH test)

Field Description

Connection Rate

z To set the service bit rate of the channel

z Value range: 12.2 kbit/s, 64 kbit/s, 144 kbit/s, 384 kbit/s

FP ID Value range: 0 to 499

Scramble Value range: 0 to 16777215

Frame Offset Value range: 0 to 255

Scramble Type Value range: Long Scramble, Short Scramble

Code Offset Value range: 0 to 38399

Reporting Period(s)

z To set the reporting period of test result

z Value range: 1 to 255

Propagation Delay Value range: 0 to 255

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NodeB LMT User Guide Chapter 11 141 Test

Field Description

RRU Interconnection Mode

Value range: Non-interconnection Mode, Interconnection Mode

z To set the number of the slot that hosts the HULP (and/or

NULP) and HBBI which contain demodulating DSPs.

ULP Slot

z Value range: 0 to 7

z 0 and 1 indicate the HBBI while 2 to 7 indicate the HULP

(and/or NULP).

z One HULP (and/or NULP) has two demodulating DSPs.

One HBBI has one demodulating DSP.

Demodulating DSP ID

z When you set the ULP Slot as 0 or 1, this value can be

Demodulating NDD0 only.

z When you set the ULP Slot as any number from 2 to 7, this

value can be Demodulating NDD0 or Demodulating NDD1.

6) Set the parameters in the dialog box.

7) Click Finish.

A UL DPCH test is started. You are presented with the 141 Test dialog box. A

DPCH Test subnode is added under the UL test started node at the same time.

8) Adjust the transmitted signals until the BER/BLER values displayed on Test

Output meet the NodeB RF performance requirements.

9) Record the test results.

10) Select the DPCH Test subnode under UL test started. Then click Stop.

The test is stopped and the DPCH Test subnode is deleted.

IV. Analysis of UL DPCH Test Results

Compare the test results under different test environments with technical specifications

in the 3GPP TS25.141 protocol. If the results comply with the technical specifications,

the system passes the UL DPCH test.

11.4.3 Testing UL RACH

I. Introduction to UL RACH 141 Test

Before a UL RACH test, the NodeB runs as follows:

1) Choose the test mode of Main/Diversity Test on the MTRU/MRRU.

2) Establish channels on UL processing units according to preset parameters.

3) Start the UL RACH test.

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NodeB LMT User Guide Chapter 11 141 Test

II. Prerequisite

You have set the cell parameters related to this test.

III. Procedure

Follow the steps below to test the UL RACH 141:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose UL Multi-channel Test in the dialog box.

5) Click Next in the dialog box.

The UL Test Item dialog box opens up as shown in

Figure 11-5.

6) Choose Main Diversity Test under RACH Test in the dialog box.

7) Click Next in the dialog box.

The Tes t Para mete r dialog box opens up as shown in

Figure 11-7.

Figure 11-7 Test Parameter dialog box (UL RACH test)

Table 11-5 describes the fields of the Tes t Para m eter dialog box (UL RACH test).

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NodeB LMT User Guide Chapter 11 141 Test

Table 11-5 Field description of Test Parameter dialog box (UL RACH test)

Field Description

z To set the number of the slot that hosts the HULP (and/or

NULP) and HBBI which contain the demodulating DSPs

ULP Slot

z Value range: 0 to 7

z 0 and 1 indicate the HBBI while 2 to 7 indicate the

HDLP/NDLP.

Scramble

Reporting Period(s)

Preamble Signature

Preamble Threshold

Test Type

Frame Sync

RRU Interconnection Mode

Value range: 0 to 8191

z To set the reporting period of the test result

z Value range: 1 to 255

Value range: 0 to 15

Value range: 27 to 35

Value range: Preamble Detection Performance, Message Demodulation Performance

z Preamble Detection Performance test: measures the

capture performance of RACH preamble, including false alarm rate and detection rate.

z Message Demodulation Performance test: measures the

RACH message demodulation performance. The demodulation performance refers to that on messages after the system detects the access of a subscriber.

z To set the intervals of frame synchronization signals output

by NMPT

z Value range: 20 ms, 40 ms, 80 ms

Value range: Non-interconnections Mode, Interconnection Mode

z If you select Sub Channel, Slot is unavailable.

z If you select Sub Channel, the test will have to be

Sub Channel

conducted in the sub channel mode. The test device has to support the test in this mode.

z Value range: 0 to 11, ALL

z If you select Slot, Sub Channel is unavailable.

z If you select Slot, the test will have to be conducted in the

Slot

time slot mode. The test device has to support the test in this mode.

z Value range: 0 to 14, ALL

8) Set the parameters in the dialog box.

9) Click Finish.

A UL DPCH test is started. You are presented with the 141 Test dialog box. A

RACH Test subnode is added under the UL test started node at the same time.

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10) Adjust the transmitted signals until the BER/BLER values meet the NodeB RF

performance requirements.

11) Record the test results.

12) Select the RACH Test subnode under UL test started. Then click Stop.

The test is stopped and the RACH Test subnode is deleted.

IV. Analysis of UL RACH Test Results

Compare the test results under different test environments with technical specifications

in the 3GPP TS25.141 protocol. If the results comply with the technical specifications,

the system passes the UL RACH test.

11.5 DL 141 Test

11.5.1 Introduction to DL 141 Test

The DL 141 test is to test the RF performance of the NodeB Tx channels. During the

test, the encoding DSPs in the HDLP/NDLP establish radio channels with specified

parameters according to different test modes.

Table 11-6 shows the relations between test items and test modes of DL 141 test.

Table 11-6 Relations between test items and test modes of DL 141 test

Test item Test mode

Max Transmit Power Test mode 1

CPICH Power Accuracy Test mode2

Frequency Error Test mode4

Transmit Intermodulation Test mode 1

IPDL Time Mask Test mode 1

Power Control Steps Test mode 2

Power Control Step or Dyn Range Test mode 2

Total Dynamic Range Test mode 4

Occupied Bandwidth Test mode 1

Spurious Emission Test mode 1

Spectrum Emission Mask Test mode 1

Adjacent Channel Leakage Power ratio Test mode 1

Modulation Accuracy Test mode 4

Peak Code Domain Error Test mode 3

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Different test modes correspond to different feature channels. The system

automatically establishes a feature channel for each test item based on the

corresponding test mode.

For details of the test mode, see technical specifications of the 3GPP TS25.141

protocol.

11.5.2 Testing Max Transmit Power

I. Introduction to Max Transmit Power Test

The maximum transmit power of NodeB is the average power of each carrier at the

antenna connector under certain conditions.

The max transmit power test is to test the difference between the maximum transmit

power and the rated transmit power of the NodeB within the entire frequency bands

under test.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a power meter.

III. Procedure

Follow the steps below to test the max transmit power:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

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Figure 11-8 DL Test Item dialog box

6) Choose Max Transmit Power in the dialog box.

7) Click Finish.

A DL max transmit power test is started. You are presented with the 141 Test

dialog box. A maximum transmit power test subnode is added under DL test

started at the same time.

8) Read and record the test result from the power meter.

9) Select the Max Transmit Power test subnode under DL test started. Then click

Stop.

The max transmit power test is stopped and the Max Transmit Power test subnode is

deleted.

IV. Analysis of Max Transmit Power Test Result

Under normal test environment, the NodeB maximum transmit power is within ±2 dB of

the NodeB rated transmit power.

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11.5.3 Testing CPICH Power Accuracy

I. Introduction to CPICH Power Accuracy Test

The common pilot channel (CPICH) power accuracy refers to the deviation between

the ordered channel power and the pilot channel power measured at the antenna

interface. The CPICH power is a reference parameter for cell planning. This reference

parameter is broadcast to each UE through the DL BCH channel.

The CPICH power accuracy test is to verify the deviation between the ordered channel

power and the pilot channel power measured at the antenna interface.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare an RF signal tester.

III. Procedure

Follow the steps below to test the CPICH power accuracy:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose CPICH Power Accuracy in the dialog box.

7) Click Finish.

A DL CPICH power accuracy test is started. You are presented with the 141 Test

dialog box. A CPICH Power Accuracy Test subnode is added under DL test

started at the same time.

8) Read and record the test result from the RF signal tester.

9) Select the CPICH Power Accuracy Test subnode under DL test started. Then

click Stop.

The CPICH power accuracy test is stopped and the CPICH Power Accuracy Test

subnode is deleted.

IV. Analysis of CPICH Power Accuracy Test Result

Under normal test environment, the measured CPICH power shall be within ±2.1 dB of

the ordered absolute value.

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11.5.4 Testing Frequency Error

I. Introduction to Frequency Error Test

Frequency error is the measure of the difference between the assigned frequency and

the actual NodeB transmit frequency. It is required to use the same source for both the

NodeB RF frequency and the data clock generation.

The frequency error test is to test the accuracy of the NodeB transmit frequency.

II. Prerequisite

You have set the cell parameters related to this test.

III. Procedure

Follow the steps below to test the frequency error:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

6) Choose Frequency Error in the dialog box.

7) Click Next in the dialog box.

The DL test parameter dialog box opens up as shown in

Figure 11-1.

Figure 11-4.

Figure 11-8.

Figure 11-9.

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Figure 11-9 DL test parameter dialog box (frequency error test)

Table 11-7 describes the fields of the DL test parameter dialog box (frequency error

test).

Table 11-7 Field description of DL test parameter

dialog box (frequency error test)

Field Description

To set the deviation from the maximum cell transmit

PCCPCH Power(dB)

power

Value range: –3 dB to –44 dB

8) Set the parameters in the dialog box.

9) Click Finish. A frequency error test is started. You are presented with the 141 Test

dialog box. A Frequency Error Test subnode is added under DL test started at

the same time.

10) Read and record the test result from the tester.

11) Select the Frequency Error Test subnode under DL test started. Then click

Stop. The frequency error test is stopped and the Frequency Error Test subnode

is deleted.

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IV. Analysis of Frequency Error Test Result

Under normal test environment, the difference between measured transmit frequency

and actual transmit frequency is within ±0.05 ppm.

11.5.5 Testing Transmit Intermodulation

I. Introduction to Transmit Intermodulation Test

Transmit intermodulation performance is a measure of the capability of the transmitter

to inhibit the generation of signals in its non linear elements caused by presence of the

wanted signal and an interfering signal reaching the transmitter through the antenna.

The test is to verify the ability of the NodeB transmitter to restrict the generation of

intermodulation products in its non linear elements caused by presence of the wanted

signal and an interfering signal reaching the transmitter via the antenna to below

specified levels

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare an RF signal tester.

III. Procedure

Follow the steps below to test the transmit intermodulation:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Transmit Intermodulation in the dialog box.

7) Click Finish.

A transmit intermodulation test is started. You are presented with the 141 Test

dialog box. A Transmitter Intermodulation Test subnode is added under DL test

started at the same time.

8) Select the cell to be tested under List of cells with parameters of the 141 Test

dialog box.

9) Read and record the test result from the tester.

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10) Select the Transmit Intermodulation test subnode under DL test started. Then

click Stop.

The test is stopped and the Transmit Intermodulation test subnode is deleted.

IV. Analysis of Transmit Intermodulation Test Result

Interference signals are generated through NodeB. You can generate one more test

signal in another cell with the procedure above, and inject the signal into the cell under

test as interference signal through external test devices.

The power of the interference WCDMA signal shall be 30 dB lower than that of the

wanted signal. The frequency of the interference WCDMA signal shall be 5 MHz,

10 MHz and 15 MHz offset below the first or above the last carrier frequency used.

Under normal test environment, the spectrum emission mask, ACLR and spurious

emissions shall meet the technical specifications defined in the protocol in case of

inverse intermodulation interference.

11.5.6 Testing IPDL Time Mask

I. Introduction to IPDL Time Mask Test

Idle period of DL (IPDL) refers to the idle period of DL signal. During IPDL, the NodeB

shuts down all the DL channels temporarily to minimize interference to the UE during

measuring DL signals in different cells. Therefore, the accuracy of measurement for DL

signals in neighboring NodeBs is improved.

The IPDL time mask test is to check whether the power active/idle suppression of

NodeB DL signals meets requirements during the test time specified by IPDL.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a power meter.

III. Procedure

Follow the steps below to test the IPDL time mask:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-1.

Figure 11-4.

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4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose IPDL Time Mask in the dialog box.

7) Click Finish.

An IPDL time mask test is started. You are presented with the 141 Test dialog box.

An IPDL Time Mask test subnode is added under DL test started at the same

time.

8) Read and record the test result from the tester.

9) Select the IPDL Time Mask test subnode under DL test started. Then click Stop.

The IPDL time mask test is stopped and the IPDL Time Mask Test subnode is deleted.

IV. Analysis of IPDL Time Mask Test Result

There are two items of the IPDL time mask test:

z idle time

z power active/idle suppression

The results of the test items must be consistent with the corresponding requirement.

11.5.7 Testing Power Control Steps

I. Introduction to Power Control Steps Test

Inner loop power control in the DL is the transmission ability of the NodeB transmitter. It

adjusts the DL transmitter output power according to the corresponding TPC symbols

received in the UL.

The power control step is the required step change in the DL transmitter output power

of a code channel in response to the corresponding power control command.

The power control step test is to verify whether the DL power control step size and

response meet relevant requirements.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the power control steps:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

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2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Power Control Steps in the dialog box.

7) Click Next in the dialog box.

The DL test parameter dialog box opens up as shown in

Figure 11-10.

Figure 11-10 DL test parameter dialog box (power control steps test)

Table 11-8 describes the fields of the DL test parameter dialog box.

Table 11-8 Field description of DL test parameter (power control steps test)

Field Description

Power Control Steps (dB) Value range: 0.5 dB, 1 dB, 1.5 dB, 2 dB

Init Power of Physical Channel 3 (dB)

Value range: –3 dB to –45 dB

Scramble Value range: 0 to 16777215

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Field Description

Scramble Length Value range: Long Scramble, Short Scramble

Frame Offset Value range: 0 to 255

Code Offset Unavailable value: 512

Propagation Delay Value range: 0 to 255

RRU Interconnection Mode

Value range: Non-interconnection Mode, Interconnection Mode

To set the number of the slot that hosts the HULP (and/or NULP) and HBBI which contain the demodulating DSPs

ULP Slot

Value range: 0 to 7

0 and 1 indicate the HBBI while 2 to 7 indicate the HDLP/NDLP.

One HULP (and/or NULP) has two demodulating DSPs. One HBBI has one demodulating DSP.

Demodulating DSP ID

When you set the ULP Slot as 0 or 1, the value can be NEC0 only.

When you set the ULP Slot as any number from 2 to 7, the value can be NEC0 or NEC1.

8) Set the parameters in the dialog box.

9) Click Finish.

A power control steps test is started. You are presented with the 141 Test dialog

box. A Power Control Step test subnode is added under DL test started at the

same time.

10) Read and record the test result from the tester.

11) Select the Power Control Step test subnode under DL test started. Then click

Stop.

The power control steps test is stopped and the Power Control Step test subnode is

deleted.

IV. Analysis of Power Control Steps Test Result

Perform Up/Down tests based on different power control steps. The power changes by

1 dB after one power control with the power step of 1 dB. The power changes by 10 dB

after 10 power controls with the power step of 1 dB. The same is true for the power step

of 0.5 dB.

Under normal test environment, the measured power control steps must satisfy

(single step) and Table 11-10 (10 consecutive steps).

11- 9

Table

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Table 11-9 Power control step requirements (single step)

Transmitter Power Control Step Tolerance

TPC Command in DL

1 dB Step 0.5 dB Step

Lower Upper Lower Upper

Up (TPC command 1) +0.5 dB +1.5 dB +0.25 dB +0.75 dB

Down (TPC command 0)

0.5 dB

–

1.5 dB

–

0.25 dB

–

0.75 dB

–

Table 11-10 Power control step requirements (10 consecutive steps)

Transmitter Combined Output Power Change

Tolerance after 10 Consecutive Equal Commands

(Up or Down)

TPC Command in DL

1 dB Step 0.5 dB Step

Lower Upper Lower Upper

Up (TPC command 1) +8 dB +12 dB +4 dB +6 dB

Down (TPC command 0)

–

8 dB

12 dB

–

4 dB

–

6 dB

11.5.8 Testing Power Control Step or Dynamic Range

I. Introduction to Power Control Step or Dyn Range Test

The power control dynamic range is the difference between the maximum and the

minimum code domain powers of a code channel under specified conditions.

The test is to check that the power control dynamic range of the code channel meets

the requirement.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the power control step or dynamic range:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

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NodeB LMT User Guide Chapter 11 141 Test

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box. The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Power Control Step or Dyn Range in the dialog box.

7) Click Next in the dialog box. The DL test parameter dialog box opens up as

shown in

Figure 11-11.

Figure 11-11 DL test parameter dialog box (power control step or dynamic range test)

Table 11-11 describes the fields of the DL test parameter dialog box (power control step

or dynamic range test).

Table 11-11 Field description of DL test parameter dialog box

Field Description

Scramble

Scramble Type

Value range: 0 to 16777215

Value range: Long Scramble, Short Scramble

Power of Physical Channel 3 (dB) Value range: –3 dB to –45 dB

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Field Description

Target Power Value

Precision: 0.5 dB

8) Set the parameters in the dialog box.

9) Click Finish. A power control step or dynamic range test is started. You are

presented with the 141 Test dialog box. A Power Control Step or Dynamic

Range test subnode is added under DL test started at the same time.

10) Record the test result from the tester as result 1.

11) Select this subnode and click Parameter… in the 141 Test dialog box. You are

presented with Test Parameter dialog box.

12) Set Power of Physical Channel 3 to a lower value if the initial value is -3 dB or to

a higher value if the initial value is –45 dB.

13) Record the test result from the tester as result 2.

14) Repeat steps 10) to 12) until the value after Power of Physical Channel 3

reaches the other boundary, for example, –45dB. Record the results in turn.

15) Select the Power Control Step or Dynamic Range test subnode under DL test

started. Then click Stop.

Power change at each time

The test is stopped and the Power Control Step or Dynamic Range test subnode is

deleted.

IV. Analysis of Power Control Step or Dynamic Range Test Result

Under normal test environment, the power control step size or dynamic range shall

satisfy the following requirements:

z Maximum code domain power ≥ NodeB maximum output power –3 dB

z Minimum code domain power ≤ NodeB maximum output power –28 dB

11.5.9 Testing Total Dynamic Range

I. Introduction to Total Dynamic Range Test

Power control dynamic range is difference between the maximum and the minimum

transmit output power of a code channel for a specified reference condition.

This test is to verify that the minimum power control dynamic range is meet the

requirement

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

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III. Procedure

Follow the steps below to test this total dynamic range:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Total Dynamic Range in the dialog box.

7) Click Finish.

A total dynamic range test is started. You are presented with the 141 Test dialog

box. A Dynamic Range for Total Power test subnode is added under DL test

started at the same time.

8) Read and record the test result from the power meter.

9) Select the Dynamic Range for Total Power test subnode under DL test started.

Then click Stop.

The test is stopped and the Dynamic Range for Total Power test subnode is deleted.

IV. Analysis of Total Dynamic Range Test Result

Under normal test environment, the dynamic range of total DL power, which is equal to

the maximum transmit power minus minimum transmit power, is no smaller than 18 dB.

11.5.10 Testing Occupied Bandwidth

I. Introduction to Occupied Bandwidth Test

The occupied bandwidth is the width of a frequency band such that, below the lower

and above the upper frequency limits, the mean powers emitted are each equal to a

specified percentage of 0.5% of the total mean transmitted power. Therefore, the total

power in the occupied bandwidth shall be no less than 99% of the total mean

transmitted power.

The test is to verify whether the occupied bandwidth of a channel meets the

requirement.

II. Prerequisites

z You have set the cell parameters related to this test.

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z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the occupied bandwidth:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Occupied Bandwidth in the dialog box.

7) Click Finish.

An occupied bandwidth test is started. You are presented with the 141 Test dialog

box. An Occupied Bandwidth test subnode is added under DL test started at

the same time.

8) Read and record the test result from the tester.

9) Select the Occupied Bandwidth test subnode under DL test started. Then click

Stop.

The test is stopped and the Occupied Bandwidth test subnode is deleted.

IV. Analysis of Occupied Bandwidth Test Result

Under normal test environment, the occupied bandwidth of chip rate at 3.84 Mcps shall

be less than 5 MHz.

11.5.11 Testing Spurious Emission

I. Introduction to Spurious Emission Test

Spurious emissions include harmonic emission, parasitic emission, intermodulation

products and frequency conversion products produced by unwanted transmitter effects.

These emissions interfere in devices within other frequency bands. The test is to check

that special frequency bands meet relevant standards. It is applicable to multi-carrier

cases and specified frequency ranges, which are more than 12.5 MHz under the first

carrier frequency used or more than 12.5 MHz above the last carrier frequency used.

The detection is conducted in the true RMS level mode or in the true average level

mode.

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II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the spurious emission:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Spurious Emission in the dialog box.

7) Click Finish.

A spurious emission test is started. You are presented with the 141 Test dialog box.

A Spurious Emission subnode is added under DL test started at the same time.

8) Read and record the test result from the tester.

9) Select the Spurious Emission test subnode under DL test started. Then click

Stop.

The test is stopped and the Spurious Emission test subnode is deleted.

IV. Analysis of Spurious Emission Test Result

Spurious emission test categories include Category A, Category B, protection of

special frequency band. The settings of RF signal tester vary with the test categories.

Under normal test environment, the test result must satisfy Table 11-12, Table 11-13

Table 11-14.

and

Table 11-12 Spurious emission requirements (Category A)

Band Max level Measurement bandwidth

9 kHz to 150 kHz 1 kHz

150 kHz to 30 MHz 10 kHz

30 MHz to 1 GHz 100 kHz

13 dBm

–

1 GHz to 12.75 GHz

1 MHz

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Table 11-13 Spurious emission requirements (Category B)

Band Max level Measurement bandwidth

9 kHz to 150 kHz 1 kHz

150 kHz to 30 MHz 10 kHz

36 dBm

–

30 MHz to 1 GHz

1 GHz to Max (fc1-60 MHz, 2100 MHz

30 dBm

–

100 kHz

1 MHz

Max (fc1-60 MHz, 2100 MHz) to Max (fc1-50 MHz, 2100

25 dBm

–

1 MHz

MHz)

Max (fc1-50 MHz, 2100 MHz) to Min (fc2+50 MHz, 2180

15 dBm

–

1 MHz

MHz)

Min (fc2+50 MHz, 2180 MHz) to Min (fc2+60 MHz, 2180

25 dBm

–

1 MHz

MHz)

Min (fc2+60 MHz, 2180 MHz) to 12.75 GHz

30 dBm

–

1 MHz

Table 11-14 Spurious emission requirements (protection of special frequency band)

Band description Band Max level

Receive band

Co-existing with GSM900

GSM900 BTS co-located with UTRS NodeB

Co-existing with DSC1800

DSC1800 BTS co-located with UTRS NodeB

Co-existing with PHS

Co-existing with services in adjacent frequency bands

1920 MHz to 1980 MHz

921 MHz to 960 MHz

876 MHz to 915 MHz

1805 MHz to 1880 MHz

1710 MHz to 1785 MHz

1893.5 MHz to

1919.6 MHz

–96 dBm 100 kHz

–57 dBm 100 kHz

–98 dBm 100 kHz

–47 dBm 100 kHz

–98 dBm 100 kHz

–41 dBm 300 kHz

–30+3.4

2100 MHz to 2105 MHz

(f-2100 MH z)

–30+3.4

2175 MHz to 2180 MHz

(2180MHz-f )

Measurement

bandwidth

1 MHz

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11.5.12 Testing Spectrum Emission

I. Introduction to Spectrum Emission Mask Test

Emissions shall not exceed the maximum level for the appropriate NodeB maximum

output power, in the frequency range from Df =2.5 MHz to f_offsetmax from the carrier

frequency. These level requirements form a spectrum emission mask.

The test is to verify the out-of-band spectrum leakage of the NodeB.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the spectrum emission:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Spectrum Emission Mask in the dialog box.

7) Click Finish.

A spectrum emission mask test is started. You are presented with the 141 Test

dialog box. A Spectrum Output Template test subnode is added under DL test

started at the same time.

8) Read and record the test result from the tester.

9) Select the Spectrum Output Template test subnode under DL test started.

Then click Stop.

The test is stopped and the Spectrum Output Template test subnode is deleted.

IV. Analysis of Spectrum Emission Mask Test Result

Under normal test environment, the test result must satisfy the technical specifications

in protocol of 3GPP TS25.141.

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11.5.13 Testing ACLR

I. Introduction to ACLR Test

Adjacent channel leakage power ratio (ACLR) is the ratio of the transmitted power

within the specified carrier frequency band to the mean power leaked into the adjacent

carrier band.

The test is to verify whether the adjacent channel leakage power radio meets the

requirements for adjacent channel interference.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the ACLR:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Adjacent Channel Leakage Power ratio in the dialog box.

7) Click Finish.

An ACLR test is started. You are presented with the 141 Test dialog box. An

Adjacent Channel Leakage Power ratio test subnode is added under DL test

started at the same time.

8) Read and record the test result from the tester.

9) Select the Adjacent Channel Leakage Power ratio test subnode under UL test

started. Then click Stop.

The test is stopped and the Adjacent Channel Leakage Power ratio test subnode is

deleted.

IV. Analysis of ACLR Test Result

Under normal test environment, the ACLR test result must satisfy Table 11-15.

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NodeB LMT User Guide Chapter 11 141 Test

Table 11-15 ACLR requirements

NodeB channel offset below first or above last carrier

5 MHz > 45 dB

10 MHz > 50 dB

 Note:

z Matched filter used the filter (Root Raised Cosine and roll-off 0.22) with a noise

power bandwidth equal to the chip rate.

z The detection is conducted either in the true RMS level mode or in the true average

level mode. Measure the ACLR for 5 MHz and 10 MHz offsets on both sides of

channel frequency.

11.5.14 Testing EVM

I. Introduction to EVM Test

frequency used

ACLR limit

Error vector magnitude (EVM) shows the difference between the reference waveform

and the measured waveform.

In this manual, EVM refers to the modulation accuracy.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the modulation accuracy:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

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NodeB LMT User Guide Chapter 11 141 Test

6) Choose Modulation Accuracy in the dialog box.

7) Click Next in the dialog box.

The DL test parameter dialog box opens up as shown in

Figure 11-9.

8) Set the parameters in the dialog box.

9) Click Finish.

A modulation accuracy test is started. You are presented with the 141 Test dialog

box. A Modulation Accuracy test subnode is added under DL test started at the

same time.

10) Record the test result from the tester as result 1.

11) Select this subnode and click Parameter… in the 141 Test dialog box. You are

presented with Test Parameter dialog box.

12) Change PCCPCH Power into another boundary value in the dialog box.

13) Repeat step 9). Record the test result from the tester as result 2.

14) Select the Modulation Accuracy test subnode under DL test started. Then click

Stop.

The modulation accuracy test is stopped and the Modulation Accuracy test subnode

is deleted.

IV. Analysis of EVM Test Result

Compare two test results with standard values. Under normal test environment, the

EVM shall be smaller than 17.5%.

11.5.15 Testing PCDE

I. Introduction to PCDE Test

The code domain error (PCDE) is calculated by projecting the error vector onto the

code domain. It is expressed in dB. The PCDE is defined as the maximum value of the

code domain error for all codes at a specific spreading factor.

The test is to discover and limit inter-code cross-talk.

II. Prerequisites

z You have set the cell parameters related to this test.

z You need to prepare a signal generator.

III. Procedure

Follow the steps below to test the PCDE:

1) Choose Maintenance Navigator -> Test Management. Then double-click the

141 Test subnode.

A dialog box opens up for your confirmation.

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NodeB LMT User Guide Chapter 11 141 Test

2) Click OK.

The system displays the 141 Test dialog box as shown in

Figure 11-1.

3) Click Start RF Test….

The 141 test type dialog box opens up as shown in

Figure 11-4.

4) Choose DL Test in the dialog box.

5) Click Next in the dialog box.

The DL Test Item dialog box opens up as shown in

Figure 11-8.

6) Choose Peak Code Domain Error in the dialog box.

7) Click Finish.

A peak code domain error test is started. You are presented with the 141 Test

dialog box. A Peak Code Domain Error test subnode is added under DL test

started at the same time.

8) Read and record the test result from the tester.

9) Select the Peak Code Domain Error test subnode under DL test started. Then

click Stop.

The test is stopped and the Peak Code Domain Error test subnode is deleted.

IV. Analysis of PCDE Test Result

Under normal test environment, the peak code domain error must be smaller than

–33 dB at spreading factor 256.

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NodeB LMT User Guide Table of Contents

Chapter 12 Managing NodeB Clock........................................................................................... 12-1

12.1 About This Chapter........................................................................................................ 12-1

12.2 Overview of NodeB Clock.............................................................................................. 12-1

12.2.1 Principle of Clock ................................................................................................ 12-1

12.2.2 Center Frequency DA Value ............................................................................... 12-1

12.2.3 Current Frequency DA Value.............................................................................. 12-1

12.2.4 Initial DA Value.................................................................................................... 12-2

12.3 Querying Clock Status ................................................................................................... 12-2

12.3.1 Overview of Querying Clock Status .................................................................... 12-2

12.3.2 Introduction to Clock Status ................................................................................ 12-2

12.3.3 Querying Current Clock Status ........................................................................... 12-3

12.3.4 Querying History Clock Record........................................................................... 12-4

12.4 Managing NodeB Clock Source..................................................................................... 12-5

12.4.1 Overview ............................................................................................................. 12-5

12.4.2 Introduction to NodeB Clock Source................................................................... 12-5

12.4.3 Setting NodeB Clock Work Mode........................................................................ 12-5

12.4.4 Setting NodeB Clock Source............................................................................... 12-6

12.4.5 Testing NodeB Clock Source Quality.................................................................. 12-7

12.5 Setting NodeB Clock Frequency.................................................................................... 12-7

12.5.1 Overview ............................................................................................................. 12-7

12.5.2 Introduction to Clock Frequency Values ............................................................. 12-7

12.5.3 Setting NodeB Clock Center Frequency............................................................. 12-7

12.5.4 Setting NodeB Clock Current Frequency............................................................ 12-8

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NodeB LMT User Guide Chapter 12 Managing NodeB Clock

Chapter 12 Managing NodeB Clock

12.1 About This Chapter

This chapter presents knowledge of the NodeB clock and means of maintaining the

clock.

12.2 Overview of NodeB Clock

12.2.1 Principle of Clock

The NodeB clock module is mounted on the NMPT to provide timing signals for the

NodeB. Under normal conditions, the NodeB clock works in the phase-lock mode. It

keeps precision by tracing the assigned high-precision reference clock source.

There are three reference clock sources for the NodeB:

z Iub interface clock

z GPS clock

z External clock

Only one clock synchronization mode is available at the same time.

When the NodeB clock synchronization source is faulty, the NodeB works in free-run

mode. This enables the NodeB clock to run for another 90 days.

12.2.2 Center Frequency DA Value

The center frequency value is also called center DA value. When the NodeB is in

normal operation, the master clock frequency is about 10 MHz, which is output from the

Oven Controlled Crystal Oscillator (OCXO) in the NMPT. Fine tuning on the main clock

frequency can be realized by adjusting voltage on the OCXO. The quantized value of

the voltage corresponding to the exact 10 MHz is referred to as the center frequency

DA.

12.2.3 Current Frequency DA Value

The current frequency DA value is also referred to as current DA value.

z When the NodeB clock works in the free-run mode, the current DA value is the

same as the center DA value.

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z When the NodeB is using a reference clock source, the current DA value of the

NodeB clock synchronizes with the frequency of the clock source. Namely, the

current DA value is adjusted according to the frequency difference of the clock

source during the software phase-locking.

z If the external clock source stays locked for seven consecutive days, it shows that

the clock source is stable. In that case, the clock module shall overwrite the center

DA value with the current DA value. Upon resetting the NMPT or the NodeB, the

current DA value shall be overwritten with the center DA value.

12.2.4 Initial DA Value

The initial DA value is the center frequency DA value preset in the NMPT before its

delivery. When the NodeB is started for the first time, this value is written into the

configuration file as the center frequency DA value. Therefore, the initial DA value can

be regarded as the center frequency DA value preset before the NodeB delivery.

12.3 Querying Clock Status

12.3.1 Overview of Querying Clock Status

You can query the following clock status:

z Current clock status

z History clock status

12.3.2 Introduction to Clock Status

I. Current Clock Status

The current clock status may include:

z Configured clock source

z Configured clock source status

z Configured work mode

z Current work mode

z Clock status

z Center DA

z Current DA

z Original DA

II. History Clock Status

The history clock status may include:

z Time

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NodeB LMT User Guide Chapter 12 Managing NodeB Clock

z Clock Status

z Current DA

z Center DA

12.3.3 Querying Current Clock Status

I. Introduction

You can query the current clock status to

z Know the running status of the NodeB clock

z Check the clock modifications

z Check whether the clock needs to be maintained

II. Prerequisite

None.

III. Procedure

Follow the steps below to query the current clock status:

1) Select the NMPT on the equipment panel.

 Note:

For the DBS3800, select the MBBU/HBBU on the equipment panel.

2) Right-click on the NMPT.

A shortcut menu opens up.

3) Select Display Current Clock Status.

The Query Result dialog box opens up as shown in

Figure 12-1 and Figure 12-2.

Figure 12-1 OCXO Current Clock Status in Query Result dialog box

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NodeB LMT User Guide Chapter 12 Managing NodeB Clock

Figure 12-2 TCXO Current Clock Status in Query Result dialog box

 Note:

For the macro NodeB,

z You can query the current clock status only when the active and standby NMPTs

work well.

z You can query the clocks on the active and standby NMPTs which are independent

from each other.

z In the query result, parameters for the active and standby NMPTs may be

inconsistent except for those in the clock source and clock status.

For the DBS3800, you can query the current clock status only when the MBBU or HBBI

works well.

 Note:

You can query the current NodeB clock status by the MML command of DSP

CURRCLK.

12.3.4 Querying History Clock Record

I. Introduction

You may query the history clock record to know the change in current frequency DA

value. The history clock record stores details about changes of the clock DA value.

II. Prerequisite

None.

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III. Procedure

You can query the history clock status by the MML command of LST CLKRECORD.

12.4 Managing NodeB Clock Source

12.4.1 Overview

Managing the clock source refers to

z Setting NodeB clock work mode

z Setting NodeB clock source

z Testing NodeB clock source quality

12.4.2 Introduction to NodeB Clock Source

The NodeB needs to lock to an external clock to calibrate its master clock frequency.

Then the external clock is the clock source.

There are three clock sources available for the NodeB, including

z Iub interface clock source: It is the default setting by the system. The NodeB

extracts clock signals from the Iub interface between NodeB and RNC as its

reference clock source.

z External clock source: The NodeB locks to a 2.048 MHz external clock as its

reference clock source. The clock source can be a BITS clock or a clock at the

synchronous interface of the SDH equipment.

z GPS clock source: The NodeB uses the clock signals generated from the GPS

receive card built in the NMPT as its reference clock source.

12.4.3 Setting NodeB Clock Work Mode

I. Introduction

Caution:

z This operation causes faults easily.

z Do Not execute this command without Huawei technical support.

The NodeB clock work modes include lock mode and free mode.

z The clock work mode can be set to "lock" only when there is an external reference

clock source.

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z When the clock work mode is "free", the NodeB clock works in the free-run mode

and the clock source does not work.

z If the clock source is faulty and needs calibrating, set the work mode into the free

mode and then calibrate the frequency value to the center frequency DA value.

This action is usually performed together with actions in subsection

12.5.4

"Setting NodeB Clock Current Frequency ".

z You need to set the NodeB clock work mode before setting the current frequency

value.

II. Prerequisite

Be sure to set the clock work mode one minute after the NodeB initialization.

III. Procedure

You can modify the NodeB clock work mode by the MML of MOD CLKMODE only.

12.4.4 Setting NodeB Clock Source

I. Introduction

The NodeB needs to lock to an external clock to calibrate its master clock frequency.

Then the external clock is the clock source.

You must select a proper clock source for the NodeB before it starts running. The

system automatically locks to the clock source after setting the clock source. There is

no need for other manual settings.

II. Prerequisites

Be cautious about the following items before you set the clock source:

z To use the Iub interface clock or GPS clock, make sure the clock source is

available.

z To use the GPS clock, make sure there is a GPS card on the NMPT. If there is a

GPS card, execute the MML command of DSP GPS to check whether the GPS

clock source is available. You can set the clock source only when the GPS clock

source is available.

z To use the Iub interface clock, set the Iub interface and the Iub interface board

from which the NodeB extracts clock signals. And then check the settings by the

MML commands of DSP IUBCLK, ADD IUBCLK and RMV IUBCLK.

III. Procedure

You can set the reference clock source by the MML command of MOD CLKSRC.

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12.4.5 Testing NodeB Clock Source Quality

See section 9.6 "Clock Test".

12.5 Setting NodeB Clock Frequency

12.5.1 Overview

Setting the NodeB clock frequency includes

z Setting NodeB Clock Center Frequency

z Setting NodeB Clock Current Frequency

12.5.2 Introduction to Clock Frequency Values

For details, see 12.2.2 "Center Frequency DA Value", 12.2.3 "Current Frequency DA

" and 12.2.4 "Initial DA Value".

Valu e

12.5.3 Setting NodeB Clock Center Frequency

I. Introduction

Caution:

z This operation causes faults easily.

z Do Not execute this command without Huawei technical support.

The center frequency DA value has been written into each NMPT before delivery. The

value is the initial DA value. In most cases, there is no need to set the NodeB clock

center frequency on site.

You need to set the center frequency under the following occasions:

z When you adjust the NodeB clock before the NodeB starts to carry services

z When the clock is faulty

II. Prerequisite

None.

III. Procedure

You can set the clock center frequency by the MML command of MOD CENTERDA.

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12.5.4 Setting NodeB Clock Current Frequency

I. Introduction

Caution:

z This operation causes faults easily.

z Do Not execute this command without Huawei technical support.

This operation helps calibrate the clock. You can use this command to change the

current DA value until it reaches the standard value. When the value meets

requirements, you need to execute the MML command of MOD CENTERDA to rewrite

the center frequency DA value.

II. Prerequisite

Set the NodeB clock work mode at first. See 12.4.3 "Setting NodeB Clock Work Mode".

III. Procedure

You can set the current frequency of the master cabinet clock by the MML command of

MOD CURRDA.

 Note:

For the DBS3800, set the current frequency of the NodeB clock with this command.

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NodeB LMT User Guide Table of Contents

Chapter 13 Managing NodeB Cells............................................................................................ 13-1

13.1 About This Chapter........................................................................................................ 13-1

13.2 Overview ........................................................................................................................ 13-1

13.2.1 Local Cell and Logical Cell.................................................................................. 13-1

13.2.2 Cell Radius and Handover Radius...................................................................... 13-1

13.2.3 Cell Status........................................................................................................... 13-2

13.2.4 Blocking Cell........................................................................................................ 13-2

13.3 Querying Cell Configuration........................................................................................... 13-3

13.3.1 Overview of Cell Configuration Query................................................................. 13-3

13.3.2 Introduction to Cell Configuration and Cell Status .............................................. 13-3

13.3.3 Querying Cell Configuration................................................................................ 13-4

13.3.4 Querying Cell Status ........................................................................................... 13-4

13.3.5 Auditing Resources ............................................................................................. 13-4

13.4 Modifying Local Cell....................................................................................................... 13-5

13.4.1 Overview of Modifying Local Cell........................................................................ 13-5

13.4.2 Introduction to Cell Parameters........................................................................... 13-5

13.4.3 Modifying Local Cell Parameters ........................................................................ 13-5

13.4.4 Blocking/Unblocking Cell..................................................................................... 13-6

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NodeB LMT User Guide Chapter 13 Managing NodeB Cells

Chapter 13 Managing NodeB Cells

13.1 About This Chapter

This chapter describes knowledge of the NodeB cell and means of managing the cell.

13.2 Overview

13.2.1 Local Cell and Logical Cell

A local cell is an integration of physical resources (hardware and software resources) of

a cell in NodeB. The local cell relates to the implementation of a device. Local cells are

configured on and managed by the NodeB.

A logical cell is a standard logical model of cell radio resources controlled by an RNC. It

is independent from the implementation of the NodeB local cell. Logical cells are

configured on and managed by the RNC.

One logical cell corresponds to one local cell.

13.2.2 Cell Radius and Handover Radius

Definitions of cell radius and handover radius are as follows:

z Cell Radius: refers to the access radius of a cell, that is, radius of the coverage

area. A UE in the coverage area of a cell can access the cell in theory.

z Handover Radius: refers to the radius where a UE is handed over from the source

cell to the target cell. The inner handover radius is defined to avoid resources

waste by preventing frequent handover of the UE between the margins of the two

cells. The UE is handed over only when the UE oversteps the inner handover

radius.

Relations between the cell radius and the handover radius are as follows:

z The cell radius refers to the cell outer handover radius. It is greater than the cell

inner handover radius. The area between the two radiuses is the handover area of

the cell.

z There is overlap between the access radiuses of two cells. This prevents call

drops during the UE handover and ensures cell breathing.

z There is no overlap between the inner handover radiuses of two cells. This

ensures an area for handover.

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NodeB LMT User Guide Chapter 13 Managing NodeB Cells

z There shall be an overlapped area between the inner handover radius of the

source cell and the access radius of the target cell. Handover is not available in

this area to reduce the handover area between two cells and avoid frequency

handover.

13.2.3 Cell Status

There are the following categories of cell status.

I. Local Cell Status

The local cell status consists of

z Local Cell Unavailable-All Resource fault

z Local Cell Unavailable-RF and Baseband Interface Resource fault

z Local Cell Unavailable-RF and Baseband Resource fault

z Local Cell Unavailable-RF Resource fault

z Local Cell Unavailable-Baseband and Baseband Interface Resource fault

z Local Cell Unavailable-Baseband Interface Resource fault

z Local Cell Unavailable-Baseband Resource fault

z Local Cell Available-NCP fault

z Local Cell Available

II. Cell Operation Status

z Enable: The logical cell has been set up and ready for use.

z Disable: The logical cell is not available.

III. Cell Administration Status

z Unblocked: The cell is not blocked. It works normally. You can block a cell in this

state.

z Shutting down: It is a transitional state before the RNC delivers a block response.

The RNC delivers a block response only after a period or after the cell is idle.

z Blocked: The cell has been blocked. You can unblock a cell in this state.

13.2.4 Blocking Cell

There are three modes to block a cell:

z High: blocking now

z Normal: blocking by schedule

z Low: blocking when resources are idle

High is of the highest priority at the risk of partial service loss.

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NodeB LMT User Guide Chapter 13 Managing NodeB Cells

If you select Normal, you may specify a period (1 to 3600 s). During this period, the cell

no longer carries new services. After this period, the system blocks the cell even if it is

carrying service.

Low is of the lowest priority. In this mode, the system blocks the cell only when the cell

does not carry service.

13.3 Querying Cell Configuration

13.3.1 Overview of Cell Configuration Query

Querying cell configuration includes:

z Querying cell configuration

z Querying cell status

13.3.2 Introduction to Cell Configuration and Cell Status

I. Cell Configuration

The local cell configuration consists of

z Local cell ID

z Logical cell ID

z Site ID

z Sector ID

z Local cell radius

z Local cell inner handover radius

The logical cell configuration consists of

z Local cell ID

z Logical cell ID

z Uplink frequency (0.2 MHz)

z Downlink frequency (0.2 MHz)

z Cell max transmit power (0.1 dBm)

z Cell primary scramble code

z Cell transmit diversity indicator

z Configuration of various channels

II. Cell Status

The cell status consists of

z Local cell ID

z Local cell status

z Local cell administration status

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NodeB LMT User Guide Chapter 13 Managing NodeB Cells

z Logical cell ID

z Logical cell operation status

z Logical cell transmit diversity status

z Logical cell setup date

z Logical cell setup time

13.3.3 Querying Cell Configuration

I. Introduction to Cell Configuration Query

Before configuring or modifying a cell, you need to query the cell configuration to avoid

incorrect configuration.

II. Prerequisite

None.

III. Procedure

z Query the local cell configuration by the MML command of LST LOCELL.

z Query the logical cell configuration by the MML command of DSP CELLCFG.

13.3.4 Querying Cell Status

I. Introduction to Cell Status Query

You can query the status of a local cell or a logical cell. The information helps you know

the cell running status and maintain the cell.

II. Prerequisite

None.

III. Procedure

Query the status of the local cell and the logical cell by the MML command of DSP

LOCELL.

13.3.5 Auditing Resources

I. Introduction to Resource Auditing

The NodeB resources may change, for example, when a board is replaced or the

NodeB configuration is modified. In this case, the logical resources between the RNC

and the NodeB are inconsistent.

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To inform the RNC about changes in the NodeB resources in time,

1) The NodeB sends a resource audit request to the RNC.

2) Then the RNC adjusts logical resources according to audit report.

As a result,

1) Logical resources between the RNC and the NodeB are balanced.

2) The NodeB resources are fully used.

II. Prerequisite

None.

III. Procedure

Proceed with resources auditing by the MML command of ADT RES.

13.4 Modifying Local Cell

13.4.1 Overview of Modifying Local Cell

Modifying local cell includes

z Modifying local cell parameters

z Blocking/Unblocking a cell

13.4.2 Introduction to Cell Parameters

The cell parameter refers to the local cell radius, including

z Local cell radius

z Local cell inner handover radius

13.4.3 Modifying Local Cell Parameters

I. Introduction

To optimize the cell performance, you can modify the local cell parameters.

II. Prerequisite

None.

III. Procedure

Modify the local cell parameters by the MML command of MOD LOCELL.

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13.4.4 Blocking/Unblocking Cell

I. Introduction

To block a cell is to

1) Transfer services on a cell to a neighboring cell.

2) Then close the Tx channels of the previous cell.

The cell resources are not available after this operation. In this way, you can maintain

the faulty NodeB without interrupting services.

z After blocking the cell, the NodeB switches off the Tx channels of that cell. The

logical resources related to the cell are regarded as blocked.

z After unblocking the cell, the NodeB switches on the Tx channels and restores the

administration status of the cell. The cell is in service.

II. Prerequisite

None.

III. Procedure

z Block a local cell by the MML command of BLK LOCELL.

z Unblock a local cell by the MML command of UBL LOCELL.

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NodeB LMT User Guide Table of Contents

Chapter 14 NodeB Software Update and Data Configuration File Transfer.......................... 14-1

14.1 About This Chapter........................................................................................................ 14-1

14.2 Overview of Software Update........................................................................................ 14-1

14.3 Upgrading NodeB Software........................................................................................... 14-1

14.3.1 Overview of Upgrading NodeB Software ............................................................ 14-1

14.3.2 Introduction to NodeB Software .......................................................................... 14-2

14.3.3 Procedure of Upgrading NodeB Software........................................................... 14-2

14.3.4 Downloading NodeB Software ............................................................................ 14-3

14.3.5 Supplying NodeB Software ................................................................................. 14-8

14.3.6 Activating NodeB Software ............................................................................... 14-11

14.3.7 Activating Board Software................................................................................. 14-12

14.3.8 Synchronizing Version ...................................................................................... 14-14

14.4 Upgrading NodeB BOOTROM..................................................................................... 14-15

14.4.1 Overview ........................................................................................................... 14-15

14.4.2 Introduction to BOOTROM Software ................................................................ 14-15

14.4.3 Procedure of Upgrading NodeB BOOTROM Software..................................... 14-15

14.4.4 Downloading NodeB BOOTROM Package....................................................... 14-16

14.4.5 Activating NodeB BOOTROM........................................................................... 14-19

14.4.6 Activating Board BOOTROM ............................................................................ 14-20

14.5 Upgrading Patches ...................................................................................................... 14-21

14.5.1 Overview ........................................................................................................... 14-21

14.5.2 Introduction to Patch ......................................................................................... 14-21

14.5.3 Procedure of Upgrading Patches...................................................................... 14-21

14.5.4 Downloading Patch Package ............................................................................ 14-22

14.5.5 Activating Patches............................................................................................. 14-24

14.6 Downloading Data Configuration File .......................................................................... 14-25

14.6.1 Introduction Data Configuration File ................................................................. 14-25

14.6.2 Downloading Data Configuration File ............................................................... 14-25

14.6.3 Backing up Data Configuration File .................................................................. 14-27

Huawei Technologies Proprietary

Configuration File Transfer

Chapter 14 NodeB Software Update and Data

Configuration File Transfer

14.1 About This Chapter

This chapter describes software update and data configuration file transfer, including

z Upgrading NodeB Software

z Upgrading NodeB BOOTROM

z Upgrading Patches

z Downloading Data Configuration File

14.2 Overview of Software Update

In order to provide new functions or clear defects, it is necessary to upgrade the NodeB

software. Such software includes

z NodeB software

z BOOTROM software

z Patches

The core to upgrade the NodeB software is to download the software and then activate

it.

The NodeB supports resumable download. When you log into the LMT and double-click

Software Update under the Software Management node,

z If there is a resumed download task in the software package, the system

automatically displays the task status and downloading progress.

z To view the task status and downloading progress in real time, you can obtain the

authority required for the control of download progress browse.

z If there is no such resumed download task, you can update the software in the

Software Update dialog box.

14.3 Upgrading NodeB Software

14.3.1 Overview of Upgrading NodeB Software

To upgrade the NodeB software is to upgrade the NodeB software from the previous

version to a new version.

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Configuration File Transfer

Before the update, record details of the previous version and obtain the software for

update.

14.3.2 Introduction to NodeB Software

The NodeB software package is a compressed file named NodeB.pck.

For a macro NodeB, the NAOI and the NDTI both have NodeB software for the master

CPU and the slave CPU.

14.3.3 Procedure of Upgrading NodeB Software

Table 14-1 shows the procedure of upgrading the NodeB software.

Table 14-1 Procedure of upgrading NodeB software

Step Procedure Description Reference

Backup data configuration file

Download

NodeB software package

Activate NodeB software

4 Upgrade LMT

Activate board software

Supply NodeB software

z If the upgrade fails, fallback

to the previous software version to ensure normal services.

z This step is optional.

The software downloaded must be the one for upgrade.

To activate all the boards

Ensure versions of the LMT and the upgraded NodeB software are consistent.

z Re-log into the NodeB and

view the details.

z Re-activate the board failed

to be activated previously.

After you download the NodeB software as configured, the NodeB configuration changes.

Then you need to download the required board software that failed to be downloaded before.

14.6.3 "Backing up Data Configuration File

14.3.4 "Downloading NodeB Software

14.3.6 "Activating NodeB Software

Chapter 3 "Installing LMT Software"

14.3.7 "Activating Board Software

14.3.5 "Supplying NodeB Software

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Configuration File Transfer

Step Procedure Description Reference

To check whether the services are normal by viewing NodeB version, board version, board status and cell status.

Check whether the software upgrade is successful

z If Yes, it indicates that the

upgrade is successful.

z If No, fallback the NodeB

version to the previous version immediately. Then locate and solve the problem.

Synchronize NodeB software version

Backup the upgraded version after the NodeB runs normally for two or three days.

 Note:

z If upgrading the NodeB software fails; fallback to the previous software version. The

fallback procedure is the same as the procedure of Activate NodeB Software. The

difference is that you have to select the software version before the upgrade.

z The system integrates step 1), step 2) and step 3) into one dialog box. You can

select Upgrade NodeB Software to perform the three steps.

z Step 4) is mandatory. The versions are inconsistent after step 3) when the NodeB is

activated and reset. If you skip step 4), you cannot log into NodeB through the LMT.

14.3.4 Downloading NodeB Software

I. Introduction

14.3.8 Synchronizing

" Version

To download the NodeB software is to download the NodeB software from the FTP

server to the NodeB. The downloaded NodeB software in the standby file directory

does not take effect immediately or damage the running software.

II. Prerequisites

z The FTP server works well and is properly connected to the NodeB in the same

Intranet.

z There shall be no firewall between the FTP server and the NodeB.

z The user name and password for the specified FTP server is correct. Ensure you

have the authority to read the data in the specified directory.

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Configuration File Transfer

III. Procedure

Follow the steps below to download the NodeB software:

1) Choose Maintenance Navigator -> Software Management. Then double-click

the Software Update subnode. The Software Update dialog box opens up as

shown in

Figure 14-1.

Figure 14-1 Software Update dialog box

2) Select Upgrade NodeB Software in the dialog box.

3) Click Next.

The Upgrade NodeB Software dialog box opens up as shown in

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Figure 14-2.

Configuration File Transfer

Figure 14-2 Upgrade NodeB Software dialog box

Table 14-2 describes the fields of the Upgrade NodeB Software dialog box.

Table 14-2 Field description of Upgrade NodeB Software dialog box

Field Description

To set the FTP Server for file download

FTP Setting

z The FTP Server in use is shown in the box for user’s reference.

The FPT server can be a built-in server or another type of server specified by user.

z Click Modify… on the right to set the FTP Server.

To upload the configuration file from the NodeB to the FTP Server

z Click Browse… under Backup Data Configuration File to

Backup Data Configuration File

specify a directory for the file upload.

z Select it to backup the active configuration file in the system.

z If you have backed up the file, you may skip this step.

z In case of upgrade failure, you can reload the backup

configuration file in the FTP server to guarantee stable operation of the NodeB.

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Configuration File Transfer

Field Description

To download the NodeB software package from the FTP Server to the NodeB standby directory

Download NodeB Software Package

Download by Configuration

Activate NodeB Software

z Click Browse… under Download NodeB Software Package.

Select the directory of the package in the FTP Server.

z This operation is mandatory for NodeB software upgrade. The

system will start the download after backing up the configuration file.

z Because the NodeB software package has a fixed filename of

NodeB.pck, you just need to specify the path of it.

By selecting Download by Configuration, all wanted board software is downloaded according to the current NodeB configuration.

To activate NodeB software means to download the unpacked software package in the NodeB standby area to the target boards, and then activate the package.

z The NodeB shall be reset after conducting this operation.

z If you select both Download NodeB Software Package and

Activate NodeB Software, the software to be activated is the NodeB software package downloaded from the FTP Server. There is no need to select the version.

z If you select Activate NodeB Software without selecting

Download NodeB Software Package, the system will list all

the NodeB software versions that can be activated. Select the version to activate in the drop-down list.

 Note:

z The system performs the above three steps in order: Backup Data Configuration

File, Download NodeB Software Package and then Activate NodeB Software.

z You can choose one or some steps. The system shall proceed with the task

customized by you.

4) Click Modify… in the dialog box. The FTP Settings dialog box opens up as shown

Figure 14-3.

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Configuration File Transfer

Figure 14-3 FTP Settings dialog box

Table 14-3 describes the fields of the FTP Settings dialog box.

Table 14-3 Field description of FTP Settings dialog box

Field Description

z The built-in FTP server of the system is started by

default.

z To stop the FTP server, select System -> Stop FTP

Server.

Use Built-in FTP Server

z To restart the FTP server, select System -> Start FTP

Server.

z Select System -> System Configuration to display

the System Configuration dialog box. Set the user name and password for the built-in FTP server.

To specify the IP address of the computer hosting the FTP server

z The FTP Server can be the one started from the LMT

computer or from another computer.

Use Specified

IP Address

FTP Server

User Name

To specify the user name to log into the FTP Server

Password To specify the password to log in to the FTP Server

5) Set parameters in the dialog box.

6) Click OK.

The dialog box is closed and you are presented with the Upgrade NodeB

Software dialog box.

7) Select Backup Data Configuration File to specify a directory for backing up the

file.

Select Download NodeB Software Package to specify a directory for

downloading the NodeB software package.

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Configuration File Transfer

 Note:

Backup Data Configuration File is optional.

8) Click Next.

9) Click Yes.

The Upgrading NodeB Software Progress dialog box opens up.

The dialog box indicates the status and progress of the upgrade procedure. You may

check whether the operation is successful.

 Note:

The NodeB file directories include

z Active directory: stores the running NodeB software version.

z Standby directory: stores the inactive NodeB software version.

14.3.5 Supplying NodeB Software

I. Introduction

When downloading the NodeB software, you may choose Download by

Configuration in the Upgrade NodeB Software dialog box. If the NodeB configuration

changes by adding a new board, the NodeB shall automatically download the needed

board software with either method below:

z Automatically downloading the needed board software from the download path of

the active NodeB software package

z Automatically downloading the needed board software from the M2000 server

If the automatic download fails, the NodeB reports a Board Version Mismatch alarm

for your manual handling. Then you can supply the NodeB software by downloading the

needed board software.

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Configuration File Transfer

 Note:

z After the board software is automatically downloaded, it shall take effect

immediately without being activated.

z After you download the board software manually, the software package is stored in

the NodeB active file directory and shall not take effect immediately. You need to

activate the board software. See

14.3.7 "Activating Board Software".

II. Prerequisites

z There must be the source file path of the software to be downloaded. That is to say,

there must be the NodeB.pck file under the source file path.

z The FTP server works well and is properly connected to the NodeB in the same

Intranet.

z There shall be no firewall between the FTP server and the NodeB.

z The user name and password for the specified FTP server is correct. Ensure you

have the authority to read the data in the specified directory.

III. Procedure

Follow the steps below to supply the NodeB software:

1) Choose Maintenance Navigator -> Software Management. Then double-click

the Software Update subnode.

The Software Update dialog box opens up as shown in

Figure 14-1.

2) Select Supply NodeB Software in the dialog box.

3) Click Next.

The Supply NodeB Software dialog box opens up as shown in

Figure 14-4.

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Figure 14-4 Supply NodeB Software dialog box

Table 14-4 describes the fields of the Supply NodeB Software dialog box.

Table 14-4 Field description of Supply NodeB Software dialog box

Field Description

To set the FTP server for the NodeB software download

FTP Setting

z The FTP server in use is shown in the box for your reference.

It can be a built-in server or another type of server specified by you.

z Click Modify… on the right to set the FTP server.

Directory Name

Click Browse… to select the directory of the software package in the FTP server.

4) Click Modify… in the dialog box.

The FTP Settings dialog box opens up as shown in

Figure 14-3.

5) Set parameters in the dialog box.

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Configuration File Transfer

6) Click OK.

The FTP Settings dialog box is closed and you are presented with the Supply

NodeB Software dialog box.

7) Click Browse.

Set the downloading path for the NodeB software package.

8) Click Next.

A dialog box opens up for your confirmation.

9) Click Yes.

The Supplying NodeB Software Progress dialog box opens up.

The status and progress of supplying NodeB software is displayed in the dialog box.

You may check whether the process is completed by viewing this dialog box.

14.3.6 Activating NodeB Software

I. Introduction

The downloaded NodeB software in the standby file directory does not take effect

immediately or damage the running software. You may activate the NodeB software to

make the new software effective.

You may activate a specified NodeB software version during the NodeB operation. In

this way, you can download the software to each board an put it into effect. You may

activate the NodeB software right after the downloading or later on.

II. Prerequisite

None.

III. Procedure

Follow the steps below to activate the NodeB software:

1) Choose Maintenance Navigator -> Software Management. Then double-click

the Software Update subnode.

The Software Update dialog box opens up as shown in

Figure 14-1.

2) Select Upgrade NodeB Software in the dialog box.

3) Click Next.

The Upgrade NodeB Software dialog box opens up as shown in

Figure 14-2.

4) Select Activate NodeB Software.

Select the NodeB software version to be upgraded in the Version drop-down list

box.

5) Click Next.

A dialog box opens up for your confirmation.

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Configuration File Transfer

 Note:

The Version drop-down list box opens up only when you do not select the Download

NodeB Software.

6) Click Yes.

The Software Update Progress dialog box opens up.

The status and progress of the upgrade procedure is displayed in the dialog box. You

may check whether the upgrade is completed by viewing this dialog box.

 Note:

14.3.7 If the activation of a board fails, locate the cause and then activate the software of that board again. See 14.3.7 "Activating Board Software

z The NodeB shall be reset and the new NodeB software version shall be started

upon successful NodeB software activation.

z Reactivate the NodeB software version in the standby file directory or reinstall the

NodeB software upon failure in activation.

14.3.8 Activating Board Software

I. Introduction

To activate the board software is to put a board software version into effect on one

board or a type of boards. The target version of the board software to be activated is the

relevant board software version in the active file directory.

Activate the board software in the following cases:

z A single board of a type of boards fails to be activated in the activation.

z A single board or a type of boards is added or replaced after activating the NodeB

software.

z A single board or a type of boards is loaded with patches.

z The NodeB software has been supplied manually.

II. Prerequisite

None.

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Configuration File Transfer

III. Procedure

Follow the steps below to activate the NodeB software:

1) Choose Maintenance Navigator -> Software Management. Then double-click

the Software Update subnode.

The Software Update dialog box opens up as shown in

Figure 14-1.

2) Select Activate Board in the dialog box.

3) Click Next.

The Activate Board dialog box opens up as shown in

Figure 14-5.

Figure 14-5 Activate Board dialog box

Table 14-5 describes the fields of the Activate Board dialog box.

Table 14-5 Field description of Activate Board dialog box

Field Description

Activate Software

A type of boards

To activate the software of a type of boards each time

z You need to select the board type from the Board

type drop-down combo box.

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Configuration File Transfer

Field Description

Single board

To activate the software of one board each time

z You need to set the Subrack No. and Slot No.

according to the board location. For details, see the equipment panel.

z For the DBS3800, the default value in Slot No. is 0.

To activate the BOOTROM of a type of boards each

A type of boards

time

z You need to select the board type from the Board

type drop-down combo box.

Activate BOOTROM

Single board

To activate the BOOTROM of one board each time

z You need to set Subrack No. and Slot No.

according to the board location. For details, see the equipment panel.

z For the DBS3800, the default value in Slot No. is 0.

4) Choose A type of boards or Single board on the right of Activate Software.

5) Click Next.

A dialog box opens up for your confirmation.

6) Click Yes.

The Activating Board Progress dialog box opens up.

The status and progress of the board activation is displayed in the dialog box. You may

check whether the process is completed by viewing this dialog box.

14.3.9 Synchronizing Version

I. Introduction

When the new-version NodeB software is proved reliable after trial for a period (three

days recommended, two days at least), you need to synchronize files in the standby

directory with those in the active directory. That is, you need to backup the active

NodeB software version and the BOOTROM software version to the standby directory.

This ensures that the same versions in the standby directory can be activated in case of

failure in the NodeB software version and the BOOTROM software version.

II. Prerequisite

None.

III. Procedure

Follow the steps below to synchronize the software versions:

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Huawei BTS3812A-1900 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of Contents

9.1 About This Chapter

9.2 Overview

9.3 Querying CPU/DSP Occupancy

9.4 Querying Cell Service Resource

9.5 Testing NodeB RTWP

9.6 Testing NodeB Clock

9.7 Scanning NodeB Rx Frequency

9.8 Testing MTRU Output Power

9.9 Testing MTRU Temperature

9.10 Testing MRRU Output Power

9.11 Testing MRRU Temperature

9.12 Querying Board Service Resource

9.13 Routine Testing NodeB E1/T1 Performance

9.14 Routine Testing STM-1 Performance

Table of Contents

NodeB LMT User Guide Chapter 10 Monitoring External Environment of NodeB

10.1 About This Chapter

10.2 Monitoring External Environment of NodeB

10.2.1 Overview of External Environment

10.2.2 Monitoring Input Power Supply

10.2.3 Monitoring Temperature and Humidity

10.2.4 Smoke and Anti-theft Alarms

10.2.5 Customized Alarms

10.3 Monitoring Input Power Supply

10.3.1 Overview

10.3.2 Setting NEMU Input Voltage Alarm Thresholds

10.3.3 Querying NEMU Alarm Thresholds for Input Voltage

10.3.4 Querying NEMU Input Voltage

10.4 Monitoring Temperature and Humidity

10.4.1 Overview

10.4.2 Querying NEMU Temperature and Humidity

10.4.3 Setting Thresholds of NEMU Temperature and Humidity

10.4.4 Querying Thresholds of NEMU Temperature and Humidity

10.5 Smoke and Anti-theft Alarms

10.5.1 Overview

10.5.2 Clearing NEMU Smoke and Enclosure Alarms

Table of Contents

Chapter 11 141 Test

11.1 About This Chapter

11.2 Overview

11.2.1 Introduction to 141 Test

11.2.2 Precautions

11.3 Setting Cell Parameters

11.4 UL 141 Test

11.4.1 Introduction to UL 141 Test

11.4.2 Testing UL DPCH

11.4.3 Testing UL RACH

11.5 DL 141 Test

11.5.1 Introduction to DL 141 Test

11.5.2 Testing Max Transmit Power

11.5.3 Testing CPICH Power Accuracy

11.5.4 Testing Frequency Error

11.5.5 Testing Transmit Intermodulation

11.5.6 Testing IPDL Time Mask

11.5.7 Testing Power Control Steps

11.5.8 Testing Power Control Step or Dynamic Range

11.5.9 Testing Total Dynamic Range

11.5.10 Testing Occupied Bandwidth

11.5.11 Testing Spurious Emission

11.5.12 Testing Spectrum Emission

11.5.13 Testing ACLR

11.5.14 Testing EVM

11.5.15 Testing PCDE

Table of Contents

Chapter 12 Managing NodeB Clock

12.1 About This Chapter

12.2 Overview of NodeB Clock

12.2.1 Principle of Clock

12.2.2 Center Frequency DA Value

12.2.3 Current Frequency DA Value

12.2.4 Initial DA Value

12.3 Querying Clock Status

12.3.1 Overview of Querying Clock Status

12.3.2 Introduction to Clock Status

12.3.3 Querying Current Clock Status