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军衔等级:

  少将

注册:2007-6-25
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发表于 2007-7-12 13:41:00 |只看该作者 |倒序浏览
<p>【资料成文时间】:<br/>【语言】:en<br/>【页数】:16<br/>【何人(公司)所著】:爱立信<br/>【文件格式】:pdf<br/>【文件原名】:EDGE Introduction of high-speed data in GSM/GPRS networks<br/>【摘要或目录】:<br/>Table of contents<br/>reface 3<br/>Executive summary 4<br/>Technical differences<br/>between GPRS and EGPRS 4<br/>Introduction 4<br/>EDGE technology 5<br/>EDGE modulation technique 5<br/>Coding schemes 6<br/>acket handling 6<br/>Addressing window 7<br/>Measurement accuracy 8<br/>Interleaving 8<br/>Link adaptation 9<br/>Incremental redundancy<br/>Impact of EGPRS on existing<br/>GSM/GPRS networks 9<br/>Standardization 10<br/>Background 10<br/>Fulfilling the EDGE Standardization 10<br/>EDGE standard and references 10<br/>Requirements on EDGE 10<br/>Service aspects 10<br/>Architecture 11<br/>User plane protocols 11<br/>Control plane protocols and channels 11<br/>Future evolution of GSM/EDGE<br/>toward WCDMA alignment 12<br/>GERAN system architecture 12<br/>EGPRS benefits 13<br/>Short-term benefits 13<br/>Mid-term benefit: Complementary technology 14<br/>Acronyms and definitions 15</p><p><br/></p>

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