设计和测试3GPP W-CDMA 基站(AN 1355).pdf

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1、AgilentDesigningandTesting3GPPW-CDMABaseTransceiverStations(IncludingFemtocells)ApplicationNote1355DTCHAddCRC&Conv.coderRateInterleaverFrameCCTrCHdatabitstailbitsmatchingsegmentTrCHInterleavermuxDCCHAddCRC&RateFrameConv.coderInterleaverdatabitstailbitsmatchi

2、ngsegmentSpreadingIscrambleI+I-OVSFComplexComplexDPCCHS-PcodescramblecodescramblinggeneratorgeneratorQ+scrambleTimemultiplexerQ+QIscrambleTableofContentsIntroduction.......................................................31.BasicConceptsofW-CDMA..............

3、...........................41.1Codedivisionmultipleaccess.....................................41.2Basetransceiverstationanduserequipmentidentification.............51.3Datachannelization.............................................51.4Slots,frames,andpowercon

4、trol...................................71.5Protocolstructure...............................................71.6Logical,transport,andphysicalchannels............................81.7Downlinkphysicalchannels.......................................91.8Uplinkphysi

5、calchannels........................................111.9Transportformatdetection.......................................141.10DownlinkDPDCH/DPCCHcodingandairinterface...................151.11UplinkDPDCH/DPCCHcodingandairinterface.....................161.12Tes

6、tmodelsandreferencemeasurementchannels....................171.13Fixedreferencemeasurementchannels............................181.14Compressedmode..............................................181.15Asynchronouscellsiteacquisition..............................

7、..181.16Asynchronouscellsitesofthandover..............................192.GeneralDesignandMeasurementIssues............................202.1Controllinginterference.........................................202.1.1AverageRFpower.................................

8、.......212.1.2Adjacentchannelinterference...............................222.2Handlinghighpeak-to-averagepowerratios.........................232.2.1Complementarycumulativedistributionfunction....