EVDO_Training-1Contents Survey of Wireless Data Technologies and 1xEV-DO Purpose of 1xEV-DO and Differences from 1xRTT ITU requirements and user application capabilities Exploiting rapidly-changing channel conditions Channel Structure, Power Control, Unique Features 1xEV-DO transmission details Codes, Channels, MAC Indices Hybrid ARQ process 1xEV-DO Access Terminal Architecture Route Update Operation 1xEV-DO Network Elements and Architecture Lucent, Motorola, Nortel 1xEV-DO Layer-3 Messaging 1xEV-DO/1xRTT Interoperability Summary Review of 1xEV-DO Protocols 1-2005 Course Series 340v3.2 (c)2005 Scott Baxter 340 - 2 Global and US Wireless Snapshot 4Q 2003 Total Wireless Users GSM users CDMA users TDMA users IDEN users Analog users Worldwide 1,320,000,000 100% 870,000,000 65.9% 224,000,00……