GPRS、EDGE及UMTS HSDPA技术白皮书.pdf

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1、TABLEOFCONTENTSINTRODUCTION......................................................................................................3MARKET..................................................................................................................5MarketAdoption................................

2、...................................................................5Deployments........................................................................................................7TECHNOLOGYCAPABILITIES..................................................................................8Technica

3、lApproaches(TDMA,CDMA,OFDM)..........................................................11GPRS................................................................................................................12EDGE........................................................................................

4、........................14UMTS/WCDMA....................................................................................................18IPMultimediaSubsystem.....................................................................................20UMTSTDD............................................

5、.............................................................22TD-SCDMA........................................................................................................22HSDPA..............................................................................................................23Upl

6、inkEnhancedDedicatedChannel(E-DCH)..........................................................26OtherSpectralEfficiency/ThroughputEnhancements...............................................27MultimediaBroadcast/MulticastService(MBMS)......................................................283GPPLongTe

7、rmEvolution...................................................................................284G....................................................................................................................29CO