Rohde and Schwarz CMW500 Data Sheet

R&S®CMW500
Wideband Radio
Communication Tester

UMTS LTE protocol test:
one tester for all phases
of development

Test & Measurement

Product Brochure | 01.00

2

R&S®CMW500
Wideband Radio
Communication
Tester

At a glance

The R&S®CMW500 is ideal as a UMTS long term
evolution (LTE) protocol tester, as it provides
developers of wireless devices with a radio access
network simulation.

Equipped with powerful hardware and various interfaces
to wireless devices, the R&S®CMW500 can be used
throughout all phases of LTE device development – from
the initial software module test up to the integration of
software and chipset, as well as for conformance and
performance tests of the protocol stack of 3GPP standard
compliant wireless devices.

Key facts about the hardware platform

J

LTE protocol tester with a layer 1 to layer 3 protocol stack
implementation in accordance with 3GPP Rel. 8 speci-

cations TS 36.302, TS 36.321, TS 36.322, TS 36.323,
TS 36.331

J

Future-ready, powerful RF hardware that supports the
3GPP-dened LTE bandwidths from 1.4 MHz to 20 MHz
and all 3GPP frequency bands up to 6 GHz

J

Data rates up to 100 Mbps in the downlink and 50 Mbps

in the uplink

J

Integration of the DUT via an RF interface or digital
I/Q interface (realtime, reduced clock); adaptation to
customer-specic digital I/Q standards via an external
adapter unit (future release)

J

Digital baseband fading by means of the R&S®AMU200
fading simulator

J

MIMO 2x2 and MIMO 4x2 (future release)
Multi-cell and multi-RAT capability for LTE intra-cell, inter- J
cell and inter-RAT handover tests (future release)

Key facts about the software components

Development environment for layer 1 to layer 3 signaling

J

scenarios with automatic conguration of the layers
below

J

TTCN3 libraries and software tools for developing LTE
signaling conformance test cases (future release)

J

Extensive library with precongured messages and
signaling scenarios for speeding up test development

J

Practise proven software tools for carrying out, working
on, automating and analyzing signaling scenarios

J

Optional emulation of the physical layer for the develop­ment of layer 2 and layer 3 protocol software on PCs

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 3

R&S®CMW500
Wideband Radio
Communication

Close look at protocol analysis

The R&S®CMW500 tester provides developers of LTE
protocols with a specification-conforming reference
implementation of the air interface. The comprehensive
functions of the programming interfaces and the highly
detailed representation in the analysis tools can be used to
quickly detect discrepancies in the DUT protocol stack.

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page 9

Tester

Benefits and key
features

Developed for early LTE development

The LTE virtual software tester as well as the variable digi­tal I/Q interface and the RF interface connect the tester
to the DUT even in early phases of development. Special
measurement functions are available for the L1 test.

▷

page 4

Shorter development time

The LTE virtual software tester and the digital I/Q interface
support the parallel development of the LTE physical layer
and protocol stack. Practise proven software tools permit
efficient use and reuse when creating, carrying out and
analyzing tests.

▷

page 6

Better test coverage through automation

Signaling tests can be fully automated if necessary. This
approach allows users to perform a large number of tests
for the various versions of the mobile phone software.

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page 10

Safe investment

The tester's hardware is ready for future features such
as MIMO and scenarios involving multiple radio cells.
Rohde & Schwarz is continuously implementing function
expansions, which are made available to users as up-

grades.

▷

page 11

Choose the right partner

As an active participant on standardization bodies,
Rohde & Schwarz helps promote the development of
LTE. This knowledge and experience is immediately

incorporated into the company's products.

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page 12

Consistent hardware and software concept

The reuse of the tester hardware, tester software and test
routines in all phases of the development process – from
the first software module test to the conformance tests
and regression tests, as well as for optimizing perfor­mance – delivers optimum results.

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page 8

Notes:

Some asp ects of the func tionality described on this page require additional
hardware and/or software options.

The 3GPP Rel. 8 mobile radio standard is still being developed. The functionality of
the R&S®CMW50 0 LTE protocol tester is continuously being developed fur ther to
reflect advancements in standardization as well as industr y requirements. The ac­tual scope of functions available for the R&S®CMW 500 UMTS LTE protocol tester is
provided on request.

U-plane data application

Signaling protocol

DUT (wireless device)

BB chip

RF chip

Testing
via RF

Testing
via digital I/Q

Virtual testing
via IP

Protocol software development RF integration

BB integration

Emulator integration

U-plane data application

Signaling protocol

DUT (wireless device)

BB chip / BB emulator

U-plane data application

Signaling protocol

DUT (wireless device)

4

Developed for early
LTE development

Multiple interfaces to the device under test

1)

The R&S®CMW500 for LTE protocol tests offers multiple
interfaces for communicating with the protocol layers to
be tested in the wireless device (DUT). Depending on the
DUT's level of integration, a purely software interface,
a digital I/Q interface or an RF interface must be used.
Multiple powerful Ethernet interfaces interconnect the
R&S®CMW500 with application servers for testing user
plane data services such as FTP, UDP, VoIP.

Software interface

The software interface requires the protocol software of
a wireless device to be linked to the virtual physical layer
supplied by Rohde & Schwarz by embedding a C++ library.
This means that users can no longer discern from the pro­tocol layers above whether a real or virtual physical layer is
being used. The network simulation speed can be adjusted
to the DUT's requirements by means of soft timers.

1)

Some asp ects of this functionality require the addition of hardware or soft ware

options.

Interfaces

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 5

Digital I/Q interface

The digital I/Q interface connects the tester to the DUT's
baseband. The digital I/Q data is transmitted at variable
speed in accordance with the Rohde & Schwarz digital
I/Q standard. Thus, the data is compatible with other
Rohde & Schwarz instruments such as signal generators
and analyzers. The I/Q signal can be adapted to other
specifications via external adapters.

RF interface

The RF interface is the most common and simplest way to
connect the wireless device to the protocol tester. The air
interface standardized in the 3GPP specification is used.
Tests carried out with this interface require a protocol im­plementation that has been fully integrated into the base­band and the RF.

The interface used is transparent for the protocol layers
above and the tester's software modules. The user can
therefore switch between interfaces without having to
modify test routines and software tools.

TCP/IP interface

Gigabit Ethernet supports high LTE data rate requirements,
which means that IP data tests and performance tests
(e.g. throughput) can be carried out without any problem.
Comprehensive logging of IP traffic together with C-plane
messages are integrated in a message analyzer tool.

Layer 1 test

To make functional testing of the LTE physical layer pos­sible, future options will provide basic measurement func­tions. These functions are carried out in test scenarios that
are either predefined or easily created by the user.

The functions will include the following:

J

Tests for verifying physical layer procedures, e.g. CQI,
timing and power control, RACH

J

Tests for layer 1 performance measurements, e.g.
receiver and throughput performance

PDCP

LTE RLC

LTE MAC

LTE PHY

LLAPI interface

Direct access

PDCP

LTE RLC

LTE MAC

LTE PHY

MLAPI interface

Automatic configuration

6

Shorter
development time

Efficient software tools

Practice-proven software tools for protocol tests help the
user efficiently operate the R&S®CMW500. Signaling tests
consist of three phases:

J

De ne test

Run test J

Analyze test J

A customized software application is available for each

phase.

Defining tests

Signaling scenarios are defined in simple C++ routines.
Two application programming interfaces (API) are avail­able for this purpose: the low-level API (LLAPI) and the
medium-level API (MLAPI).

The LLAPI provides users with direct access to the proto­col layers. This means that users enjoy maximum flexibility
especially required in protocol development.

Signaling scenarios built on the RRC protocol layer are
defined using the MLAPI. To minimize the amount of pro­gramming involved, all protocol layers below are automati­cally configured from the contents of the layer 3 messages
– thus saving a significant amount of time for the person
creating test scenarios. This automatic configuration can
be deactivated and all layers below configured manually.

The individual protocol messages are conveniently created
by means of the message composer software tool both in
the LLAPI as well as in the MLAPI. This tool displays the
messages in a straightforward, easy-to-read manner.

LTE programming interfaces

A collection of signaling scenarios for developing layer 1
and the layers above is available in the source code, and
the user may modify or expand them as required. The test
scenarios may be applied no matter which DUT interface
is used. This means that the R&S®CMW500 can be used
throughout all phases of development.

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 7

Performing tests

The project explorer controls the sequencing when test
scenarios are run. This involves configuring and starting

test campaigns as well as generating test reports.

J

Graphical conguration of tests, also covering various
software versions

J

Hardware conguration
Sequence control depending on results J
Display and archiving of results J

Analysis of test results

The message analyzer displays the recorded protocol mes­sages to be analyzed in a straightforward manner.

J

Chronological display of the message sequence or
message sequence chart representation; display of
the message structure and decoding of the message

contents

J

Comprehensive search and lter capabilities as well as
display of the dependencies between messages from
different protocol layers

J

Comparison of complete message sequences and the
contents of individual messages

J

Export of messages in HTML format
Export of messages for reuse in the message composer; J
thus, new test cases can quickly be generated from log
les

Parallel testing during each phase of development

The cost-effective virtual software tester enables users to
perform tests on the protocol stack software at the same
time hardware is being developed. Therefore, dependen­cies between the individual development teams can be

reduced.

J

Reuse of test equipment and test routines in all phases of
development

J

Functional tests and regression tests in parallel during all

phases of development

Analysis of test results with the

message analyzer

Functional test

Regression test

Performance test

Interoperability test

Conformance test

Application test

8

Consistent
hardware and
software concept

The R&S®CMW500 may be used throughout all phases of
development owing to the following:

Variety of DUT interfaces and reusable test scenarios

J

Programming interfaces tailored to the purpose of the J

test

J

Universal software tools

Both in the protocol as well as in the RF and application

enabler conformance test, the R&S®CMW500 will play a
leading role. The hardware and software used in the devel­opment of the protocol stacks is already prepared for use
in conformance testing.

Testing at every phase

¸CMW500

network emulation

¸AMU200A

channel fading

RF

I/Q

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 9

Close look at
protocol analysis

Negative testing

The R&S®CMW500 provides a 3GPP-compliant reference
implementation of layers 1, 2 and 3. Yet the LLAPI also
allows users to simulate specific malfunctions on the net­work end in order to test the stability of the DUT under

these conditions.

RF measurements simultaneously with signaling

Future options will enable users to utilize the RF measure­ment functionality of the R&S®CMW500 even as signaling
scenarios are being run. For example, if the DUT malfunc­tions, basic functions and parameters may be analyzed at

the physical layer.

Linking to other Rohde & Schwarz LTE measuring
instruments

The RF interface can handle additional measurements if
the R&S®CMW500 is combined with other LTE measuring
instruments such as the R&S®FSQ or the R&S®SMU200A.

In addition to the RF interface, the I/Q interface may also
be utilized since it uses the same standard. I/Q signals can
then be exchanged between Rohde & Schwarz instruments
without any problem.

Fading with the R&S®AMU200A

Fading with the R&S®AMU200A

For performance measurements under fading conditions,
an R&S®AMU200A can be integrated via the digital I/Q
i nterface.

1)

This functionality requires the addition of hardware or software options.

1)

Better test coverage

10

Signaling tests can be fully automated if necessary. This
increases test throughput and allows the tester to be used
very efficiently – particularly in the regression test.

through automation

Controlling the DUT by means of the automation
manager directly from the test scenario

J

USB, serial or LAN connection to the DUT
Congurable AT commands for each DUT J

Controlling the R&S®CMW500 test run by means of
higher-order management systems

J

Selecting test campaigns
Starting and stopping tests J
Copying the results to a server J

Project explorer functions such as listed above can all
be conveniently remote-controlled by other programs or
computers via the SOAP-standardized protocol. SOAP
is supported by all common programming and scripting
languages as well as by web browsers.

Controlling the DUT by means of

the automation manager

Safe investment

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 11

Just like existing mobile radio standards, UMTS LTE is
continuously evolving. New features are implemented,
existing ones are enhanced, and corrections are made.

The R&S®CMW500 hardware has already been devel­oped with expandability in mind. The powerful hardware
together with the easy-to-install software upgrades and
the diverse alternatives for using the R&S®CMW500 help
ensure that the investment is highly effective.

J

All 3GPP-de ned frequency bands up to 3.3 GHz are
supported (in future, up to 6 GHz)

J

Output level range from –130 dBm to +8 dBm (CW, rms)
Output level dynamic range of 128 dB J
Input level range from –84 dBm to +34 dBm J
(power meter, CW, rms)

J

Flexible frontend, ready for MIMO
High dynamic range: 128 dB output J
Expandability with further signaling modules possible J

Comprehensive RF frontend eliminates

external hardware (front panel ready for

future expansions)

Irvine, CA

Tijuana

Guadalajara

Monterrey

Mexico City

Beaverton,OR

USA

Irving, TX

Columbia, MD

Ottawa

Mexico

Brasilia

Rio de Janeiro

Chile

Argentina

Uruguay

Sao Paul o

South Africa

Tanzania

Kenya

Sudan

Egypt

Tunisia

Malta

Cyprus

Lebanon

Syria

Jordan

Nigeria

Algeria

Ghana

Kuwait

Oman

Azerbaijan

Kazakhstan

Pakistan

Saudi
Arabia

United
Arab.
Emirates

Delhi

Hyderabad

Mumbai

Abu Dhabi,
Dubai

Bangalore

Nepal

Bangladesh

Sri Lanka

China

Chengdu

Xi´an

Beijing

Osaka

Tokyo

Seoul

Taipei
Kaohsiung

Kanagawa

Shanghai

Hong Kong

Makati City

Bangkok

Kuala Lumpur

Shenzhen

Guangzhou
Hanoi

Vietnam

Taiwan

Thailand

Malaysia

Singapore

Brunei

Indonesia

Philippines

Japan

Australia

New Zealand

India

Korea

Colombia

Brazil

Slovkia

Czech R.

Hungary

Romania

Bulgaria

Macedonia

Serbia

Netherl.

UK

Denmark

Norway

Sweden

Finland

Russian
Federation

Belgium

Spain

Portugal

France

Switzerland

Austria

Greece

Turkey

Italy

Slovenia

Poland

Ukraine

Munich,

Germany

Headquarters

Canada

Manaos

Paraguay

Asuncion

Estonia
Latvia

Lithuania

Ireland

Morocco

Botswana

Libya

Madagascar

Zambia

Malawi

Mozambique

Uganda

Namibia

Mongolia

Islamabad

Karachi

Chennai

Ho Chi Minh
City

Gumi

Saitama

Perth

Melbourne

Canberra

Sydney

Schaumburg,IL

12

Choose the right
partner

Rohde & Schwarz supplies turnkey hardware and software
solutions from a single source. The company's worldwide
network of application engineers reduces the risks for
users in all phases of development.

Rohde & Schwarz applies its many years of experience
in the field of mobile communications testing – a truly
valuable customer benefit.

J

Solution nding/purchase
Technical startup/application development/integration J

Training J

Operation/calibration/repair J

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 13

Specifications in brief

General data

Dimensions W × H × D 465.1 mm × 197.3 mm × 517.0 mm

Weight with typical options approx. 18 kg (39.7 lb)

Physical layer

Frequency range all 3GPP frequency bands up to 6 GHz

Physical layer mode SISO

Duplexing FDD mode

Data rate 100 Mbps DL, 50 Mbps UL

Layer 2 MAC

Transport channels BCH, DL-SCH, UL-SCH,

Logical channels DTCH, BCCH, DCCH,

Modes unacknowledged mode, transparent mode,

PDU operations assembly, disassembly,

Procedures duplicate detection, error detection and recovery,

18.31 in × 7.77 in × 20.35 in
(19" 1/1, 4 HU, 450)

MIMO 2x2 from V1.30

25 Mbps DL, 25 Mbps UL in V1.00

PCH, RACH, PDCCH, PUCCH, PCFICH (V1.10)

PCCH, CCCH (V1.10)

acknowledged mode (V1.10)

multiplexing, demultiplexing

padding

discard and reset procedure

For data sheets, see "R&S®CMW500 UMTS LTE protocol test: features and functions", PD 5213.9363.22,
and "R&S®CMW500 Wideband Radio Communication Tester", PD 5213.9211.22.

Glossary

Term Explanation

3GPP Third Generation Partnership Project

API Application programming interface

AT Command Serial modem command language

BB Baseband

CQI Channel quality indicator

CW Continuous waveform

DUT Device under test

FDD Frequency division duplex

FTP File transfer protocol

HTML Hypertext markup language

IP Internet protocol

L1 Layer 1

LAN Local area network

LLAPI Low-level application programming interface

LTE Long term evolution

MIMO Multiple input multiple output

Term Explanation

MLAPI Medium-level application programming interface

NAS Non-access stratum

PDU Protocol data unit

RACH Random access channel

RAT Radio access technology

Rel Release

rms root mean square

RRC Radio resource control

TTCN3 Testing and test control notation 3

UMTS Universal mobile telephone system

USB Universal serial bus

VoIP Voice over IP (Internet protocol)

14

Ordering information

Designation Type Order No.

R&S®CMW500 Wideband Radio Communication Tester

Mainframe configuration, mandatory

R&S®CMW500 Wideband Radio Communication Tester, Mainframe 02 R&S®CMW-PS502 1202.5408.02

Baseband Interconnection Board (flexible link) R&S®CMW-S550B 1202.4801.03

RF Frontend Module R&S®CMW-S590A 1202.5108.02

Front Panel with Display/Keypad R&S®CMW-S600B 1201.0102.03

ARB + Realtime Baseband Generator Module R&S®CMW-B110A 1202.5508.02

Signaling Unit, Wideband (SUW) R&S®CMW-B300A 1202.6304.02

Digital Video Interface (DVI) Module R&S®CMW-B620A 1202.5808.02

Option Carrier R&S®CMW-B660A 1202.7000.02

Ethernet Switch Board R&S®CMW-B661A 1202.7100.02

OCXO Module (highly stable) R&S®CMW-B690B 1202.6004.02

Mainframe configuration, optional

Four Digital I/Q Interfaces (in/out/monitor), connectors 1 to 4 R&S®CMW-B510A 1202.8007.02

Software

Protocol Tester Framework; Network Emulation R&S®CMW-KP080 1203.2254.02

LTE (R8) LLAPI Interface for Network Emulation R&S®CMW-KP501 1203.2702.02

LTE (R8) MLAPI Interface for Network Emulation R&S®CMW-KP500 1203.2654.02

Project Explorer, Test Sequence Execution Management R&S®CMW-KT010 1203.2302.02

Message Analyzer, Protocol Message Analysis R&S®CMW-KT011 1203.2354.02

Message Composer, Protocol Message Editing R&S®CMW-KT012 1203.2402.02

Protocol Testing Tool, Automation Manager R&S®CMW-KT014 1203.3250.02

Development Environment for R&S®CMW500 R&S®CMW-XT015 1203.3309.02

Extras

Mouse with USB Interface, optical, with wheel R&S®PSL-Z10 1157.7060.04

Keyboard with USB Interface, US character set R&S®PSL-Z2 1157.6870.04

LCD TFT Display, 17", 1280 × 1024; DVI-D and analog interface R&S®PMC3 1082.6004.12

R&S®CMW500

1201.0002K02

Virtual tester

Designation Type Order No.

PC-Based R&S®CMW Applications R&S®CMWPC 1201.0002.K90

Configuration, mandatory

USB Smartcard for R&S®CMWPC-Based Applications R&S®CMW-S089A 1202.7900.02

Software

LTE (R8) Virtual Physical Layer with Software Interface R&S®CMW-KP502 1203.2754.02

LTE (R8) LLAPI Interface for Network Emulation R&S®CMW-KP501 1203.2702.02

LTE (R8) MLAPI Interface for Network Emulation R&S®CMW-KP500 1203.2654.02

Project Explorer, Test Sequence Execution Management R&S®CMW-KT010 1203.2302.02

Message Analyzer, Protocol Message Analysis R&S®CMW-KT011 1203.2354.02

Message Composer, Protocol Message Editing R&S®CMW-KT012 1203.2402.02

Protocol Testing Tool, Automation Manager R&S®CMW-KT014 1203.3250.02

Development Environment for R&S®CMW500 R&S®CMW-XT015 1203.3309.02

Your local Rohde & Schwarz expert will help you determine
the optimum solution for your requirements and will be
glad to provide you with a customized quotation.

To find your nearest Rohde & Schwarz representative, visit

www.sales.rohde-schwarz.com

Configuration guide

Smartcard and reader

¸CMWPC

Hardware option Software option

Microsoft Windows PC provided by user

Software tools

¸CMW-KT010 project explorer
¸CMW-KT011 message analyzer
¸CMW-KT012 message composer
¸CMW-KT014 automation manager
¸CMW-XT015 development environment
for ¸CMW500

Application programming interfaces

¸CMW-KP500 LTE MLAPI programming interface
¸CMW-KP501 LTE LLAPI programming interface

Rohde & Schwarz virtual physical layer

¸CMW-KP502

USB smartcard for R&S®CMWPC-based applications

¸CMW-S089A

Rohde & Schwarz R&S®CMW500 Wideband Radio Communication Tester 15

Baseband interconnection board

¸CMW-S550B

Frontend module

¸CMW-S590A

Front Panel with Display/Keypad

¸CMW-S600B

ARB + realtime baseband generator module

¸CMW-B110A

Signaling unit, wideband

¸CMW-B300A

DVI interface

¸CMW-B620A

Option carrier + Ethernet switch board

¸CMW-B660A, ¸CMW-B661A

¸CMW500 mainframe

¸CMW-PS502

Extras

¸PMC3 monitor
¸PSL-Z10 mouse
¸PSL-Z2 keyboard

Rohde & Schwarz protocol tester framework software

¸CMW-KP080

Hardware option Software option

Software tools

¸CMW-KT010 project explorer
¸CMW-KT011 message analyzer
¸CMW-KT012 message composer
¸CMW-KT014 automation manager
¸CMW-XT015 development environment
for ¸CMW500

Application programming interfaces

¸CMW-KP500 LTE MLAPI programming interface
¸CMW-KP501 LTE LLAPI programming interface

OCXO module

¸CMW-B690B

Four digital I/Q interfaces

¸CMW-B510A

Virtual test

Service you can rely on

J In 70 countries
J Person-to-person
J Customized and exible
J Quality with a warranty
J No hidden terms

About Rohde & Schwarz

Rohde & Schwarz is an independent group of companies
specializing in electronics. It is a leading supplier of solu­tions in the fields of test and measurement, broadcasting,
radiomonitoring and radiolocation, as well as secure com­munications. Established 75 years ago, Rohde & Schwarz
has a global presence and a dedicated service network in
over 70 countries. Company headquarters are in Munich,

Germany.

Regional contact

Europe, Africa, Middle East
[phone]* or [phone]
[e-mail]
North America
1-888-TEST-RSA (1-888-837-8772)
[e-mail]
Latin America
[phone]
[e-mail]
Asia/Pacific
[phone]
[e-mail]

Cert ied Quali ty Syste m

ISO 9001

DQS REG . NO 1954 QM

For data sheets, see
PD 5213.9363.22 and
PD 5213.9211.22 and

www.rohde-schwarz.com

Cert ied Envir onmental S ystem

ISO 14001

DQS REG . NO 1954 UM

Rohde & Schwarz GmbH & Co. KG

Mühldorfstraße 15 | 81671 München
Phone [phone] | Fax [phone]

www.rohde-schwarz.com

R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG
Trade names are trademarks of the owners | Printed in Germany (ch)
PD 5213.9363.12 | Version 01.00 | September 2008 | R&S®CMW500
Data without tolerance limits is not binding | Subject to change

*0.14 €/min within German wireline network; rates may vary in other
networks (wireline and mobile) and countries.