625k-MC Mode Key Features 802.20 Network Architecture Performance 6.8.1 Lab Simulations 6.8.2 Field Trial Industry Outlook Summary Insights References Transmission Networks Introduction Market Drivers and Challenges 7.2.1 Drivers 7.2.2 Challenges Backhaul Network 7.3.1 Performance Enhancements in Microwave Radios 7.3.2 Gigabit Ethernet Radios 7.3.3 Backhaul via License-free Microwave Radios 7.3.4 Free Space Optics (FSO) 7.3.5 Local Multipoint Distribution System (LMDS) 7.3.6 VSAT upgrade with DVB-S2/DVB-RCS 7.3.7 Summary of Wireless Backhaul Technologies 7.3.8 Leased Lines 7.3.9 DSL Backhaul 7.3.10 Summarizing Backhaul Network 7.3.11 Backhaul Network Design Criteria Metro Regional and Aggregation Transport Networks 7.4.1 Physical Layer Technologies 7.4.2 Data Link Layer Technologies Backbone Transport Network 7.5.1 7.5.2 Access to Internet (Interconnection) Transport Network Evolution Industry Outlook Summary Insights References Contents Core Networks and Operations Support Systems Introduction Core Network 8.2.1 3GPP Core Network 8.2.2 3GPP2 Core 8.2.3 WiMAX Core Network 8.2.4 MBWA Core Network 8.2.5 Key CN Enhancements Operation Support Systems (OSS) 8.3.1 Background (History) 8.3.2 Standard Development Organizations and Forums 8.3.3 ITU-T Telecommunications Management Network (TMN) 8.3.4 TM Forum NGOSS 8.3.5 TM Forum Interface Program (TIP) 8.3.6 3GPP Management Overview 8.3.7 WiMAX Management Overview 8.3.8 Open Source Software Industry Outlook Summary Insights References IMS, Services and Applications Introduction What is IMS? 3GPP IMS 9.3.1 IMS Requirements 9.3.2 IMS Architecture 9.3.3 IMS Reference Points 3GPP IMS and WiMAX 3GPP2 Multi Media Domain (MMD) IMS in Other Standard Bodies Common IMS 9.7.1 3GPP2 and TISPAN IMS Specs Transfer Process 9.7.2 3GPP and 3GPP2 IMS Specs Transfer Process Protocols Services and Applications Challenges 9.10.1 Architectural Alignment 9.10.2 Policy Matters 9.10.3 IMS Test and Measurement 9.10.4 Deployment 9.10.5 Services Enhancement 9.10.6 Service Delivery Platform 9.10.7 IM