EDGE原理介绍Main content1) EDGE 技术简要介绍2) 调制原理及编码方式3) GPRS/EGPRS所使用的链路质量控制算法 (GPRS/EGPRS LQC)4) Other Features12004-11-10, GUC1. EDGE 技术简要介绍D EGEEDGE = Enhanced Data rates for Global Evolution22004-11-10, GUCGPRS与EDGE的区别 ?EDGE is an accessory to GPRS ! -EGPRS EDGE =GPRS+EDGE ModulationInternet InternetGPRSMSGPRS ProtocolSGSN SGSN GGSNEDGE TRUBTSPCUEGPRSMSEGPRS ProtocolGPRS = EGPRS32004-11-10, GUCGPRS与EDGE的主要区别Modulation: GMSK vs 8PSK LA: Link adaptationIR: Incremental redundancyEGPRS mode TBFs only supported on 64 kbit/s abis TSs Both GPRS and EGPRS can be supported on 64 kbit/s abis TS42004-11-10, GUCEDGE BasicEDGE is the name for the enhancements made from GPRS R’97 to GPRS R’99. EGPRS only refers to the packet switched (GPRS) enhanc……
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