The information contained in this document is subject to change without notice.
Agilent Technologies makes no warranty of any kind with regard to this material,
including but not limited to, the implied warranties of merchantability and fitness
for a particular purpose. Agilent Technologies shall not be liable for errors
contained herein or for incidental or consequential damages in connection with the
furnishing, performance, or use of this material.
2
Contents
1. Introduction
What Does the Agilent PSA Series Option 212 and 213 Do? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
This chapter provides overall information on the TD-SCDMA communications
system Options 212 and 213, and describes TD-SCDMA modulation analysis
measurements made by the analyzer. Installation instructions for adding this option
to your analyzer are provided in this section, in case you purchased this option
separately.
Introduction
15
Introduction
What Does the Agilent PSA Series Option 212 and 213 Do?
What Does the Agilent PSA Series Option 212 and 213
Do?
This instrument can be used for testing a TD-SCDMA transmitter, including
measuring HSPA/8PSK signals, adhering to the following standards documents:
— 3GPP TS 25.223 Spreading and modulation (TDD) (Release 7)
TD-SCDMA is a wireless multiple access technology, which combines aspects of
code division multiple access (CDMA) and time division multiple access
(TDMA).
The PSA Series Options 212 and 213 provides a one-analyzer solution to perform
essential demodulation measurements on complex TD-SCDMA signals.
•Option 212 performs modulation analysis measurements and quickly quantifies
modulation quality and associated parameters. Results such as composite
EVM, constellation diagram, and code domain power are available.
Introduction
•Option 213 is a sub-option to Option 212 used to measure HSPA and 8PSK
signals and requires Option 212. All the measurements, results, and views
available in Option 212 are still available when Option 213 is enabled.
Option B7J (Digital Demodulation Hardware) is required and either Option 1DS
(RF pre-amplifier, up to 3 GHz) or Option 110 (mw/mmw pre-amplifier, above
3 GHz) is highly recommended.
Using the PSA and Option 212 and 213, you can make the following
measurements:
•“Code Domain Measurements” on page 29
•“Modulation Accuracy (Composite EVM) Measurements” on page 43
•“Spectrum Analysis Measurement (Frequency Domain)” see PSA Basic Guide
•“Waveform Measurement (Time Domain)” see PSA Basic Guide
and test signals that conform to the following standard formats:
•QPSK
•8PSK
•16QAM
•64QAM
You can use the PSA with Option 212 and 213 to automatically make
measurements using the measurement methods and limits defined in the standards
documents. You may perform measurements on both uplink and downlink signals.
Using the Phase Shift functionality, the measurements display detailed results that
allow you to better analyze TD-SCDMA system performance. You may alter the
measurement parameters for specialized analysis.
16Chapter 1
Introduction
What Does the Agilent PSA Series Option 212 and 213 Do?
For infrastructure test, the instrument will test transmitters of base stations in a
non-interfering manner by means of a coupler or power splitter. For subscriber unit
test, mobiles may be measured by way of a splitter or coupler when the mobile is
actively linked to a base station or base station simulator. An alternative method of
mobile measurement requires that the mobile be placed in a special test mode.
For more information on individual measurements, see Chapter 2 , “Making
Measurements,” on page 25.
Introduction
Chapter 117
Introduction
Installing Optional Measurement Personalities
Installing Optional Measurement Personalities
When you install a measurement personality, you need to follow a three step
process:
1. Determine whether your memory capacity is sufficient to contain all the
options you want to load. If not, decide which options you want to install now,
and consider upgrading your memory. Details follow in “Do You Have Enough
Memory to Load All Your Personality Options?” on page 18.
2. Install the measurement personality firmware into the instrument memory.
Details follow in “Loading an Optional Measurement Personality” on page 22.
3. Enter a license key that activates the measurement personality. Details follow
in “Obtaining and Installing a License Key” on page 22.
Adding measurement personalities requires the purchase of an upgrade kit for the
desired option. The upgrade kit contains the measurement personality firmware
and an entitlement certificate that is used to generate a license key from the
internet website. A separate license key is required for each option on a specific
instrument serial number and host ID.
Introduction
For the latest information on Agilent Spectrum Analyzer options and upgrade kits,
visit the following Internet URL:
http://www.agilent.com/find/sa_upgrades
Do You Have Enough Memory to Load All Your Personality
Options?
If you do not have memory limitations then you can skip ahead to the next section
“Loading an Optional Measurement Personality” on page 22. If after installing
your options you get error messages relating to memory issues, you can return to
this section to learn more about how to optimize your configuration.
If you have 64 MBytes of memory installed in your instrument, you should have
enough memory to install at least four optional personalities, with plenty of
memory for data and states.
The optional measurement personalities require different amounts of memory. So
the number of personalities that you can load varies. This is also impacted by how
much data you need to save. If you are having memory errors you must swap the
applications in/out of memory as needed. If you only have 48 MBytes of memory,
you can upgrade your hardware to 64 MBytes.
Additional memory can be added to any PSA Series analyzer by installing Option
115. With this option installed, you can install all currently available measurement
personalities in your analyzer and still have memory space to store more state and
trace files than would otherwise be possible.
To see the size of your installed memory for PSA Series Spectrum Analyzers:
18Chapter 1
Introduction
Installing Optional Measurement Personalities
1. Ensure that the spectrum analyzer is in spectrum analyzer mode because this
can affect the screen size.
2. Press
System, More, Show Hdwr.
3. Read Flash Memory size in the table. If Option 115 is installed, the table will
also show Compact Flash Type and Compact Flash Size.
PSA Flash
Memory Size
64 Mbytes32.5 MBytes30.0 MBytes
48 Mbytes16.9 MBytes14.3 MBytes
PSA Compact Flash
Memory Size
512 Mbytes (Opt. 115)512 MBytes
Available Memory
Without Option B7J
and Option 122 or 140
Available Additional Memory for Measurement
Personalities
Available Memory With Option B7J
and Option 122 or 140
If you have 48 MBytes of memory, and you want to install more than 3 optional
personalities, you may need to manage your memory resources. The following
section, “How to Predict Your Memory Requirements” on page 20, will help you
decide how to configure your installed options to provide optimal operation.
Introduction
Chapter 119
Introduction
Installing Optional Measurement Personalities
How to Predict Your Memory Requirements
If you plan to install many optional personalities, you should review your memory
requirements, so you can determine whether you have enough memory (unless you
have a Option 115). There is an Agilent “Memory Calculator” available online that
can help you do this, or you can make a calculated approximation using the
information that follows. You will need to know your instrument’s installed
memory size as determined in the previous section and then select your desired
applications.
NOTEIf you have Option 115, there is adequate memory to install all of the available
optional personalities in your instrument.
See: http://www.agilent.com/find/psa_firmware
Select the “Memory Calculator” link. You can try any combination of available
personalities to see if your desired configuration is compatible with your installed
memory.
NOTEAfter loading all your optional measurement personalities, you should have a
reserve of ~2 MBytes memory to facilitate mode switching. Less available
memory will increase mode switching time. For example, if you employ excessive
free memory by saving files of states and/or data, your mode switching time can
increase to more than a minute.
Introduction
You can manually estimate your total memory requirements by adding up the
memory allocations described in the following steps. Compare the desired total
with the available memory that you identified in the previous section.
1. Program memory - Select option requirements from the table “Measurement
Personality Options and Memory Required” on page 21.
2. shared libraries require 7.72 MBytes
3. recommended mode swap space is 2 MBytes
4. Screens - .gif files need 20-25 kB each
5. State memory - State file sizes range from 21 kB for SA mode to 40 kB for
W-CDMA. The state of every mode accessed since power-on will be saved in
the state file. File sizes can exceed 150 kB each when several modes are
accessed, for each state file saved.
TIPState memory retains settings for all states accessed before the Save State
command. To reduce this usage to a minimum, reduce the modes accessed before
Save State is executed. You can set the PSA to boot into a selected mode by
the
accessing the desired mode, then pressing the
System, Power On/Preset, Power On
keys and toggle the setting to Last.
20Chapter 1
Installing Optional Measurement Personalities
Measurement Personality Options and Memory Required
Introduction
Personality Options
for PSA Series Spectrum Analyzers
a
OptionFile Size
(PSA Rev: A.10)
cdmaOne measurement personalityBAC1.91 Mbytes
NADC and PDC measurement personalities (not
BAE2.43 Mbytes
available separately)
W-CDMA or W-CDMA, HSDPA, HSUPA
BAF, 210
5.38 Mbytes
measurement personality
cdma2000 or cdma2000 w/ 1xEV-DV measurement
personality
1xEV-DO measurement personality204
GSM (with EDGE) measurement personality202
Shared measurement library
b
Phase Noise measurement personality226
Noise Figure measurement personality219
Basic measurement personality with digital demod
hardware
(available with Option 23A - Trigger support for
AM/FM/PM and Option 23B - CCITT filter)
EMC Analyzer
239
4.06 Mbytes
b
a. Available as of the print date of this guide.
b. Many PSA Series personality options use a 7.72 Mbyte shared measurement library. If
you are loading multiple personalities that use this library, you only need to add this
memory allocation once.
c. Shared measurement library allocation not required.
d. This is a no charge option that does not require a license key.
Introduction
Chapter 121
Introduction
Installing Optional Measurement Personalities
Memory Upgrade Kits
The PSA 64 MByte Memory Upgrade kit part number is E4440AU-ANE. The
PSA Compact Flash Upgrade kit part number is E4440AU-115.
For more information about memory upgrade kits contact your local
sales/service office, or see:
http://www.agilent.com/find/sa_upgrades
Loading an Optional Measurement Personality
You must use a PC to load the desired personality option into the instrument
memory. Loading can be done from a firmware CD-ROM or by downloading the
update program from the internet. An automatic loading program comes with the
files and runs from your PC.
You can check the Agilent internet website for the latest firmware versions
available for downloading:
For PSA, see http://www.agilent.com/find/psa_firmware
Introduction
NOTEWhen you add a new option, or update an existing option, you will get the updated
versions of all your current options as they are all reloaded simultaneously. This
process may also require you to update the instrument core firmware so that it is
compatible with the new option.
Depending on your installed hardware memory, you may not be able to fit all of
the available measurement personalities in instrument memory at the same time.
You may need to delete an existing option file from memory and load the one you
want. Use the automatic update program that is provided with the files. Refer to the
table showing “Measurement Personality Options and Memory Required” on
page 21. The approximate memory requirements for the options are listed in this
table. These numbers are worst case examples. Some options share components
and libraries, therefore the total memory usage of multiple options may not be
exactly equal to the combined total.
Obtaining and Installing a License Key
If you purchase an optional personality that requires installation, you will receive
an “Entitlement Certificate” which may be redeemed for a license key specific to
one instrument. Follow the instructions that accompany the certificate to obtain
your license key.
To install a license key for the selected personality option, use the following
procedure:
NOTEYou can also use this procedure to reinstall a license key that has been deleted
during an uninstall process, or lost due to a memory failure.
1. Press
System, More, More, Licensing, Option to accesses the alpha editor. Use
this alpha editor to enter letters (upper-case), and the front-panel numeric keys
22Chapter 1
Introduction
Installing Optional Measurement Personalities
to enter numbers for the option designation. You will validate your option entry
in the active function area of the display. Then, press the
Enter key.
2. Press
License Key to enter the letters and digits of your license key. You will
validate your license key entry in the active function area of the display. Then,
press the
3. Press the
Enter key.
Activate License key.
Viewing a License Key
Measurement personalities purchased with your instrument have been installed
and activated at the factory before shipment. The instrument requires a License Key unique to every measurement personality purchased. The license key is a
hexadecimal number specific to your measurement personality, instrument serial
number and host ID. It enables you to install, or reactivate that particular
personality.
Use the following procedure to display the license key unique to your personality
option that is already installed in your instrument:
System, More, More, Licensing, Show License. The System, Personality
Press
key displays the personalities loaded, version information, and whether the
personality is licensed.
NOTEYou will want to keep a copy of your license key in a secure location. Press System,
More, then Licensing, Show License, and print out a copy of the display that shows
the license numbers. If you should lose your license key, call your nearest Agilent
Technologies service or sales office for assistance.
Using the Delete License Key
This key will make the option unavailable for use, but will not delete it from
memory. Write down the 12-digit license key for the option before you delete it. If
you want to use that measurement personality later, you will need the license key
to reactivate the personality firmware.
NOTEUsing the Delete License key does not remove the personality from the instrument
memory, and does not free memory to be available to install another option. If you
need to free memory to install another option, refer to the instructions for loading
firmware updates located at the URL: http://www.agilent.com/find/psa/
1. Press
2. Press
System, More, More, Licensing, Option. Pressing the Option key will
activate the alpha editor menu. Use the alpha editor to enter the letters
(upper-case) and the front-panel numeric keyboard to enter the digits (if
required) for the option, then press the
Enter key. As you enter the option, you
will see your entry in the active function area of the display.
Delete License to remove the license key from memory.
Introduction
Chapter 123
Introduction
Installing Optional Measurement Personalities
Ordering Optional Measurement Personalities
When you order a personality option, you will receive an entitlement certificate.
Then you will need to go to the web site to redeem your entitlement certificate for
a license key. You will need to provide your instrument serial number and host ID,
and the entitlement certificate number.
Required Information:Front Panel Key Path:
Model #: (Ex. E4440A)
Introduction
Host ID:
__________________
Instrument
Serial Number:
__________________
System, Show System
System, Show System
24Chapter 1
2Making Measurements
This chapter describes procedures used for making measurements of TD-SCDMA
(3GPP) signals from either a base station (BTS) or a mobile station (MS).
Instructions to set up and perform the measurements are provided, and examples of
TD-SCDMA Modulation Analysis measurement results are shown.
Making Measurements
25
Making Measurements
TD-SCDMA Measurements
TD-SCDMA Measurements
This chapter begins with instructions common to all measurements, and then
details TD-SCDMA Modulation Analysis measurements available by pressing the
MEASURE key.
For more information on front panel keys specific to this measurement personality,
refer to “Key and SCPI Reference” on page 55, and for keys not described in this
manual, refer to the PSA User’s and Programmer’s Reference manual.
For information specific to individual measurements refer to “Concepts” on
page 149 or the sections at the page numbers below.
•“Code Domain Measurements” on page 29
•“Modulation Accuracy (Composite EVM) Measurements” on page 42
The measurements described in this chapter are referred to as one-button measurements. When you press the key to select a measurement, it becomes the
active measurement, using settings and a display unique to that measurement. Data
acquisition automatically begins when trigger requirements, if any, are met.
Making Measurements
26Chapter 2
Making Measurements
Setting up and Making a Measurement
Setting up and Making a Measurement
Making the Initial Signal Connection
CAUTIONBefore connecting a signal to the instrument, make sure the instrument can safely
accept the signal level provided. The signal level limits are marked next to the
connectors on the front panel.
See the menu map, “Mode Setup Input Key Flow (1 of 2)” on page 185, and key
descriptions, “Input” on page 60, for details on selecting input ports and setting
internal attenuation to prevent overloading the instrument.
The “Input” on page 60 also provides details of
Int Preamp operation.
Using Instrument Mode and Measurement Presets
If you want to set your current measurement personality to a known, factory
default state, press
Preset. This initializes the instrument by returning the mode
setup and all of the measurement setups in the mode to the factory default
parameters.
NOTEPressing the Preset key may switch instrument modes if you have set the Power
On/Preset function Preset Type to User or Factory.
To preset only the parameters that are specific to an active, selected measurement,
press
Meas Setup, then Restore Meas Defaults. Restore Meas Defaults will return all
the measurement setup parameters to the factory defaults, but only for the
currently selected measurement. This key may not appear on the first page of the
Meas Setup menu. If it is not visible on the first page of the menu, press
More until
the key is available.
The 3 Steps to Set Up and Make Measurements
All measurements need to be set up in 3 steps: first at the Mode level, second at the
Measurement level, then finally the result display may be adjusted.
1. Select and Set Up the Mode
MODE - All licensed, installed Modes available are shown.
Press
Press
TD-SCDMA Modulation, or to make measurements of signals with
non-standard formats, select
Press
Mode Setup - Make any required adjustments to the mode settings. These
Basic mode.
settings apply to all measurement in the mode.
2. Select and Set Up the Measurement
Press
MEASURE - Select a specific measurement to be performed (e.g. Mod
Chapter 227
Making Measurements
Making Measurements
Setting up and Making a Measurement
Accuracy (Composite EVM), or Code Domain. The measurement begins as soon
as any required trigger conditions are met. The resulting data is shown on the
display or is available for export.
Press
Meas Setup - Make any adjustments as required to the selected
measurement settings. The settings only apply to this measurement.
3. Select and Set Up a View of the Results
Press
Trace/View - Select a display format for the current measurement data.
Depending on the mode and measurement selected, other graphical and tabular
data presentations may be available.
AMPLITUDE Y-Scale adjustments may
also be made now.
NOTEA setting may be reset at any time, and will be in effect on the next measurement
cycle or View.
StepPrimary KeySetup KeysRelated Keys
1. Select & set up a
Mode
2. Select & set up
a Measurement
3. Select & set up a
View of the Results
MODEMode Setup,
Input/Output,
FREQUENCY Channel
MEASUREMeas SetupMeas Control, Restart
Trace/ViewAMPLITUDE Y Scale,
Display
,
Next Window, Zoom
System
File
, Save, Print, Print
Setup
, Marker
Making Measurements
28Chapter 2
Making Measurements
Code Domain Measurements
Code Domain Measurements
This section explains how to make a code domain measurement on TD-SCDMA
(3GPP) MS and BTS. This is the measurement of the spread code channels across
composite RF channels. The code power may be measured relative to the total
power within the 1.28 MHz channel bandwidth, or absolutely, in units of power.
Code Domain measurement examples using a TD-SCDMA (UL) signal are shown
in this section.
NOTEBefore activating a measurement, make sure the mode setup and frequency
channel parameters are set to the desired settings. Refer to the sections “Mode” on
page 65 and “FREQUENCY/Channel key” on page 58.
One-Button MS Measurement Procedure
Step 1. Configure the Unit Under Test (UUT) as follows.
The mobile station (MS) under test has to be set to transmit the one RF carrier
remotely through the system controller. This transmitting signal is connected to the
instrument’s RF input port. Connect the equipment as shown.
Figure 2-1 Code Domain Measurement System
a. Using the appropriate cables, adapters, and circulator, connect the output signal
of the MS to the RF input of the instrument.
Making Measurements
b. Connect the base transmission station simulator or signal generator to the MS
through the circulator to initiate a link constructed with the sync and pilot
channels, if required.
c. Connect a BNC cable between the 10 MHz OUT port of the signal generator
Chapter 229
Making Measurements
Code Domain Measurements
and the EXT REF IN port of the instrument.
d. Connect the system controller to the MS through the serial bus cable to control
the MS operation.
Step 2. From the base transmission station simulator and/or the system controller, perform
all of the call acquisition functions required for the MS to transmit the RF signal as
follows:
Frequency: 2017.2 MHz
Switch Point: 1, Uplink
Scramble Code: 0
Spread Code Length: 8
Signal Amplitude: -20 dBm
Step 3. If you want to set the current measurement personality mode to a known, factory
default state, ensure that the preset type is set to Mode and press
Preset.
NOTETo preset only the parameter settings that are specific to the selected measurement,
Meas Setup and Restore Meas Defaults. (The Restore Meas Defaults key may
press
not be on the first page of the menu. If not, press More until the key is available.)
Step 4. Press
MODE, TD-SCDMA Modulation to enable the TD-SCDMA modulation
analysis measurements.
NOTEIf you have installed Option 213, you need to press MODE, TD-SCDMA
Modulation with HSPA
to enable the TD-SCDMA modulation analysis with
HSPA/8PSK measurements.
The desired mode key may not be on the first page of the menu. If not, press
More
until the key is available.
Step 5. Press
Step 6. Press
Step 7. Press
Mode Setup, Radio, Device to toggle the device to MS.
Mode Setup, Demod, Analysis TimeSlot to select a timeslot to be measured.
Mode Setup, Demod, More, Timing Ref to select a timing reference.
For downlink signals, select
For uplink signals, select
You can also select
Trigger for either downlink or uplink signals. Make sure the
DwPTS;
UwPTS;
trigger source has been correctly set up.
Making Measurements
Step 8. Press
frequency.
Step 9. Press
Depending on the current settings of
30Chapter 2
FREQUENCY Channel, then use the numeric keypad to set the center
MEASURE, Code Domain to initiate the code domain measurement.
Meas Control, the instrument will begin
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