COPYRIGHTED MATERIAL. Contents. 1 Short Message Service and IP Network Integration 1. 2 Mobility Management for GPRS and UMTS 39

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1 Acknowledgments Introduction xv xvii 1 Short Message Service and IP Network Integration SMS-IP Integration with SM-SC NCTU Short Message System Statistics for SMS Delivery isms System Architecture isms Communication Protocols SMS AT Command Set isms Communication API Implementation of an Echo Server Examples of Services Accessing the Web from GSM MSs Handset Music Service Train Schedule System Other isms Services Caching for isms-based Wireless Data Access Concluding Remarks Questions 36 COPYRIGHTED MATERIAL 2 Mobility Management for GPRS and UMTS Network Architectures Concepts of Mobility Management Mobility Management States 48 vii

2 viii 2.4 MM and PDP Contexts Contexts in SGSN Contexts in the MS Relationship between the MM States and the Contexts Attach and Detach Location Update Serving RNC Relocation UMTS-GPRS Intersystem Change SGSN Change from UMTS to GPRS SGSN Change from GPRS to UMTS Concluding Remarks Questions 74 3 Session Management for Serving GPRS Support Node Session Management Functions PDP Context Activation PDP Context Deactivation PDP Context Modification SM Software Architecture SM REGistration SNDCP SM Relay Unit QoS Manager GMM SM Maintenance Unit and Operating Service Network Manager SM for UMTS SM Software Initiation and Configuration Initiation Configuration SM Procedures in the SGSN PDP Context Activation PDP Context Deactivation PDP Context Modification Concluding Remarks Questions Session Management for Gateway GPRS Support Node APN Allocation IP Address Allocation PDP Context Activation 112

3 ix 4.4 Tunneling between UMTS and External PDN Quality of Service Concluding Remarks Questions Serving Radio Network Controller Relocation for UMTS SRNC Duplication Core Network Bi-casting Fast SRNC Relocation Comparison of the Relocation Mechanisms Concluding Remarks Questions UMTS and cdma2000 Mobile Core Networks UMTS and cdma2000 Protocol Stacks Point-to-Point Protocol Tunneling Protocols Mobility and Session Management Mechanisms Mobility Management Session Management Remarks on Mobility and Session Management IP Mobility UMTS and cdma2000 Interworking Concluding Remarks Questions UMTS Charging Protocol The GTP Protocol Connection Setup Procedure GTP CDR Transfer Procedure GTP Failure Detection Concluding Remarks Questions Mobile All-IP Network Signaling Signaling System Number Stream Control Transmission Protocol (SCTP) UMTS Network Signaling 193

4 x 8.4 UMTS MAP Software Architecture The MAP Layer Architecture An MTP-based SS7 Implementation An SCTP-based SS7 Implementation TCAP and SCCP Based on M3UA SCCP Stack Entity TCAP Stack Entity MAP Message Delivery SCTP and MTP Approaches Message Format Connection Setup Data Transmission Concluding Remarks Questions UMTS Security and Availability Issues Authentication Signaling for UMTS UMTS Authentication Procedure Network Traffic Due to UMTS Authentication Fraudulent Usage in UMTS Circuit-Switched Registration and Call Termination Fraudulent Registration and Call Setup Eavesdropping a Mobile User HLR Failure Restoration Concluding Remarks Questions VoIP for the Non-All-IP Mobile Networks GSM-IP: VoIP Service for GSM MGCP Connection Model and the GSM-IP Architecture GSM-IP Message Flows vgprs: VoIP Service for GPRS Registration MS Call Origination MS Call Termination Intersystem Handoff Comparing vgprs and 3GPP TR Concluding Remarks Questions 289

5 xi 11 Multicast for Mobile Multimedia Messaging Service Existing Multicast Mechanisms for Mobile Networks The SMS Multicast Approach III Location Tracking of the Multicast Members Mobile Multicast Message Delivery The MMS Multicast Approach IV Location Tracking of the Multicast Members Mobile Multicast Message Delivery Concluding Remarks Questions Session Initiation Protocol An Overview of SIP SIP-based GPRS Push Mechanism SIP-based VoIP Prepaid Mechanism Prepaid Call Setup Forced Termination of a Prepaid Call Concluding Remarks Questions Mobile Number Portability Number Portability for Mobile Telecommunications Networks Call Routing Mechanisms with Number Portability The SRF-based Solution for Call-Related Signaling The SRF-based Solution for Noncall-Related Signaling The IN-based Solution for Call-Related Signaling Number Porting and Cost Recovery Number Porting Administration Costs of Number Portability Concluding Remarks Questions Integration of WLAN and Cellular Networks The WGSN Approach WGSN Network Architecture WGSN Features Implementation of WGSN Attach and Detach 362

6 xii 14.4 WGSN Push Mechanism IEEE 802.1X-based Authentication Related Protocols for IEEE 802.1X Authentication SIM-based IEEE 802.1X Authentication EAPOL Timers Concluding Remarks Questions UMTS All-IP Network All-IP Architecture Option 1 for All-IP Architecture Option 2 for All-IP Architecture Partitioning of All-IP Architecture in Horizontal Layers All-IP Core Network Nodes Call Session Control Function Home Subscriber Server Other Network Nodes Registration and Call Control Application-Level Registration CS Mobile Call Origination PS Mobile Call Origination PS Mobile Call Termination Open Service Access Efficiency of IP Packet Delivery Concluding Remarks Questions Issues for the IP Multimedia Core Network Subsystem Caching in I-CSCF Standard IMS Registration and Call Setup IMS Registration and Call Setup with Cache Integrated Authentication for GPRS and IMS GPP Two-Pass Authentication One-Pass Authentication Procedure Correctness of the One-Pass Procedure Concluding Remarks Questions A Proxy-based Mobile Service Platform iproxy Middleware 442

7 xiii iproxy System Architecture Personal Services imobile Service Platform Dev-Let Info-Let App-Let User and Device Management Device Profile and Device-to-User Mapping User Profile imobile-based Peer-to-Peer Mobile Computing imobile ME Services Queue Synchronization Concluding Remarks Questions 468 Bibliography 471 Index 487

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