CMU200 射頻測(cè)試使用操作培訓(xùn) —— WCDMA手機(jī)測(cè)試篇

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        CMU200 是德國(guó)羅德-施瓦茨（Rohde-Schwarz，R&S）生產(chǎn)的手機(jī)綜測(cè)儀，可以用于GSM、WCDMA、CDMA2000 等各種制式的射頻性能測(cè)試。CMU200和Agilent 8960是手機(jī)研發(fā)設(shè)計(jì)和生產(chǎn)過程中最常用的兩款綜測(cè)儀，對(duì)于手機(jī)射頻工程師和測(cè)試工程師，掌握CMU200的使用操作是必不可少的工作技能要求。
        現(xiàn)在，本站推出CMU200使用操作培訓(xùn)教程套裝，可以幫助有志于成為手機(jī)射頻工程師和測(cè)試工程師快速學(xué)習(xí)掌握CMU200的使用。套裝中關(guān)于WCDMA手機(jī)射頻測(cè)試操作培訓(xùn)包含以下教程：

        01. CMU200 WCDMA 手機(jī)測(cè)試步驟
        02. CMU200 HSDPA 手機(jī)測(cè)試步驟
        03. WCDMA RF measurements with CMU200
        04. CMU200 Operating Manual for WCDMA Mobile Tests

01. CMU200 WCDMA 手機(jī)測(cè)試步驟

        R&S 中國(guó)培訓(xùn)中心編寫的使用CMU200測(cè)試WCDMA手機(jī)射頻指標(biāo)的中文教程，詳細(xì)介紹了3GPP規(guī)范TS34.121中規(guī)定的WCDMA手機(jī)每項(xiàng)射頻指標(biāo)測(cè)試的具體操作步驟。包括：
        發(fā)射機(jī)測(cè)試項(xiàng)目：
        5.2 Maximum Output Power
        5.3 Frequency Error
        5.4 Output Power Dynamics in the Uplink
        – 5.4.1 Open Loop Power Control in the Uplink
        – 5.4.2 Inner Loop Power Control in the Uplink
        – 5.4.3 Minimum Output Power
        5.5 Transmit ON/OFF Time mask
        5.7 Power setting in uplink compressed mode
        5.8 Occupied Bandwidth(OBW)
        5.9 Spectrum emission mask
        5.10 Adjacent Channel Leakage Power Ratio(ACLR)
        5.11 Spurious Emissions
        5.13 Transmit Modulation
        – 5.13.1 Error Vector Magnitude(EVM)
        – 5.13.2 Peak code domain error
        – 5.13.3 UE phase discontinuity
        – 5.13.4 PRACH preamble quality
        接收機(jī)測(cè)試項(xiàng)目：
        6.2 Reference Sensitivity Level
        6.3 Maximum Input Level
        Performance requirements
        7.2.1 Demodulation of Dedicated Channel (DCH)

02. CMU200 HSDPA 手機(jī)測(cè)試步驟

        R&S 中國(guó)培訓(xùn)中心編寫的使用CMU200測(cè)試HSDPA手機(jī)射頻指標(biāo)的中文教程，詳細(xì)介紹了3GPP規(guī)范TS34.121中規(guī)定的HSDPA相關(guān)各項(xiàng)射頻指標(biāo)測(cè)試的具體操作步驟。包括：
        發(fā)射機(jī)測(cè)試項(xiàng)目：
        5.2A Maximum Output Power with HS-DPCCH (Release 5 only)
        5.7A HS-DPCCH
        5.9A Spectrum Emission Mask with HS-DPCCH
        5.10A Adjacent Channel Leakage Power Ratio (ACLR) with HSDPCCH
        5.13.1A Error Vector Magnitude (EVM) with HS-DPCCH
        接收機(jī)測(cè)試項(xiàng)目：
        6.3A Maximum Input Level for HS-PDSCH Reception (16QAM)
        Performance requirements
        9.3.1 Single Link Performance - AWGN Propagation Conditions

03. WCDMA RF measurements with CMU200

        R&S培訓(xùn)中心關(guān)于WCDMA基礎(chǔ)及其射頻性能測(cè)試的培訓(xùn)教材，英文原版，具體內(nèi)容如下：
        1. Introduction into WCDMA measurements with CMU200
        2. 3GPP measurement recommendations
        3. WCDMA Tx power measurements
                3.1. Code Domain Power, CDP
                3.2. Power function group
                        3.2.1. Max–Min Power
                        3.2.2. OFF Power
                        3.2.3. Transmit Power Control, TPC
                        3.2.4. Inner loop power measurements
                        3.2.5. Power versus slot
                        3.2.6. Open loop power
        4. Modulation quality measurements
                4.1. Theoretic review QPSK + 2*BPSK
                4.2. Modulation measurements in WCDMA
                4.3. QPSK / WCDMA switch
                4.4. Phase discontinuity
        5. Spectrum measurements
                5.1. Adjacent Channel Leakage Ration, ACLR
                5.2. ACLR filter measurements
                5.3. ACLR FFT/OBW
                5.4. SEM
        6. Rx quality measurements
                6.1. Loop modes
                6.2. Bit Error Rate, BER
                6.3. Block Error Rate, BLER
                6.4. Data Block Error Rate, DBLER
                6.5. Different loop modes for receiver quality measurements
                6.6. Measurement report window

04. CMU200 Operating Manual for WCDMA Mobile Tests—— 727頁P(yáng)DF

        The present operating manual describes the application of the WCDMA UE function. It gives comprehensive information about the installation of the software, about manual as well as remote control of the instrument. Typical measurement tasks are explained in detail using the functions of the graphical user interface and a selection of program examples.
        The manual is organized as follows:
        Chapter 1 Describes the steps necessary for installing the software and putting the instrument into operation.
        Chapter 2 Gives an introduction to the application of the CMU for WCDMA TX measurements and presents typical measurement examples.
        Chapter 3 Gives an overview of the user interface and describes the concepts of measurement control and instrument configuration.
        Chapter 4 Represents the reference chapter providing detailed information on all functions of the user interface and their application.
        Chapter 5 Describes the basics of remote control of the instrument for WCDMA TX measurements.
        Chapter 6 Lists all remote control commands for WCDMA TX measurements. At the end of the chapter the commands are grouped together according to their function (measurement groups or configurations) and sorted in alphabetical order.
        Chapter 7 Contains program examples for selected applications.
        Chapter 8 Describes the HSDPA option including the HSDPA downlink generator, HSDPA signalling, and HSDPA measurements.
        Chapter 9 Describes option WCDMA Application Testing including the RLC BLER measurement for evaluating the data throughput.　

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