GPRS for Mobile Internet

Transcription

1 GPRS for Mobile Internet Emmanuel Seurre Patrick Savelli Pierre-Jean Pietri Artech House Boston London www. artechhouse. com

2 Contents Acknowledgments xiii Introduction to the GSM System Introduction Birth of the GSM System The Standard Approach General Concepts Analog Versus Digital Telephony Systems Cellular Telephony Public Land Mobile Network Multiband Mobile Phones SIM Card Mobility Beacon Channel MS Idle Mode GSM Services Bearer Services Teleservices Supplementary Services Network Architecture MS BSS Network Subsystem

3 VI GPRS for Mobile Internet Radio Interface General Characteristics Logical Channels Mapping of Logical Channels onto Physical Channels Voice Digital Communication Chain Bursts Format RF Characteristics MS Cell Synchronization Procedure Summary of MS Operations in Idle Mode Measurements Performed by MS During Communication References GPRS Services Use of GPRS GPRS MS Classes Client-Server Relation Quality of Service Attributes in Release 97/9 Attributes in Release 99 Third-Generation Partnership Project References Overview of GPRS GPRS Logical Architecture Transmission and Signaling Planes Transmission Plane Signaling Plane Radio Interface

4 Contents vii Physical Layer Principles RR Management Principles BSS Architecture PCU Transmission Plane Signaling Plane Mobility RA GMM States Overview of GMM Procedures PDP Context BSS Packet Flow Context Definition Gb Interface NS Layer BSSGP Principle GPRS Backbone Network Architecture Tunneling Path Protocols Reference Radio Interface: Physical Layer PLL Mapping of Logical Channels on the 52-Multiframe Channel Coding Power Control MS Measurements RF Physical Layer Multislot Classes Transmitter Path Characteristics

5 viii GPRS for Mobile Internet Receiver Path Characteristics Case Studies Convolutional Coder Viterbi Decoding MS Measurements RF Receiver Structures RF Receiver Constraints Transmitter Design MS Synthesizer System Constraint References Radio Interface: RLC/MAC Layer RLC/MAC Block Structure Control Block RLC Data Block Broadcast Information Management SI Message Scheduling MS Acquisition of Broadcast Information Frequency Parameters Cell Reselection Measurements Criteria Autonomous Cell-Reselection Process Measurement Report Sending Network-Controlled Cell-Reselection Process Listening to MS Paging Blocks Network Operating Modes DRX Mode Non-DRX Mode Paging Modes Downlink Signaling Failure

6 Contents Radio Resource Allocation Uplink TBF Establishment Downlink TBF Establishment Measurement Report in Packet Idle Mode RLC Transmission Modes Segmentation and Reassembly of LLC PDUs Transfer of RLC Data Blocks Segmentation and Reassembly of RLC/MAC Control Messages TBF Release Release of Uplink TBF Release of Downlink TBF Case Studies Determination of SPLIT_PG_CYCLE Value Resource Allocation Strategy ACK/NACK Request Period Within RLC Layer Implementation of Dynamic Link Adaptation Reference Gb Interface General Overview Frame Relay Basics Frame Format Addressing Flow Control Mechanism Addressing over Gb Bearer Channel PVC Network Service Virtual Link

7 X GPRS for Mobile Internet Network Service Virtual Connection Network Service Entity BSSGP Virtual Connection Addressing NS Layer SNS Entity NSC Entity BSSGP Layer BSSGP Service Model User Procedures Between LLC and RELAY SAPs Signaling Procedures Between GMM SAPs Signaling Procedures Between NM SAPs Signaling Procedures Between PFM SAPs Summary of BSSGP PDUs Case Studies Establishment of a BVC Downlink Transfer Procedure Scenario for Cell Reselection During Downlink Transfer on Gb Interface References Signaling Plane GMM Procedures Case Study: Control of the LLC Layer Operation PDP Context Management PDP Context Definition PDP Address Traffic Flow Template PDP State

8 Contents SM Layer PDP Context Procedures GTP Layer for the Control Plane Path Management Procedure Tunnel Management Procedures Location Management Mobility Management Between SGSNs Reference User Plane Packet Transmission Between MS and SGSN LLC Layer SNDCP Layer Case Study: Buffer Management GTP Layer for the User Plane GTP-U Tunnel Sequence Delivery 30.3 IP Packet Sending Within GPRS PLMN IP Packet Sending from MS to GGSN IP Packet Sending from GGSN to MS 33.4 Interworking with External Networks Interworking with PDNs Based on IP Interworking with PDNs Based on PPP 36 Reference List of Acronyms About the Authors Index