资料介绍
EDGE原理介绍Main content
1) 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 Features
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2004-11-10, GUC
1. EDGE 技术简要介绍
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EDGE = Enhanced Data rates for Global Evolution
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2004-11-10, GUC
GPRS与EDGE的区别 ?
EDGE is an accessory to GPRS ! -EGPRS EDGE =GPRS+EDGE Modulation
Internet Internet
GPRS
MS
GPRS Protocol
SGSN SGSN GGSN
EDGE TRU
BTS
PCU
EGPRS
MS
EGPRS Protocol
GPRS = EGPRS
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2004-11-10, GUC
GPRS与EDGE的主要区别
Modulation: GMSK vs 8PSK LA: Link adaptation
IR: Incremental redundancy
EGPRS mode TBFs only supported on 64 kbit/s abis TSs Both GPRS and EGPRS can be supported on 64 kbit/s abis TS
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2004-11-10, GUC
EDGE Basic
EDGE 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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