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[GSM资料] ERICSSON EDGE白皮书

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发表于 2012-4-6 10:28:55 | 显示全部楼层 |阅读模式
【文件名】:1246@52RD_ERICSSON EDGE白皮书.pdf
【格 式】:pdf
【大 小】:110K
【简 介】:
【目 录】:





Table of contents
Preface 3
Executive summary 4
Technical differences
between GPRS and EGPRS 4
Introduction 4
EDGE technology 5
EDGE modulation technique 5
Coding schemes 6
Packet handling 6
Addressing window 7
Measurement accuracy 8
Interleaving 8
Link adaptation 9
Incremental redundancy
Impact of EGPRS on existing
GSM/GPRS networks 9
Standardization 10
Background 10
Fulfilling the EDGE Standardization 10
EDGE standard and references 10
Requirements on EDGE 10
Service aspects 10
Architecture 11
User plane protocols 11
Control plane protocols and channels 11
Future evolution of GSM/EDGE
toward WCDMA alignment 12
GERAN system architecture 12
EGPRS benefits 13
Short-term benefits 13
Mid-term benefit: Complementary technology 14
Acronyms and definitions 15

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