GPRS System Survey GPRS System Survey STUDENT BOOK LZT 123 5374 R3A LZT 123 5374 R3A -1- GPRS System Survey DISCLAIMER This book is a training document and contains simplifications Therefore, it must not be considered as a specification of the system The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing Ericsson assumes no legal responsibility for any error or damage resulting from the usage of this document This document is not intended to replace the technical documentation that was shipped with your system Always refer to that technical documentation during operation and maintenance Copyright © 2003 by Ericsson AB This document was produced by Ericsson AB • It is used for training purposes only and may not be copied or reproduced in any manner without the express written consent of Ericsson This Student Book, LZT 123 5374, R3A supports course number LZU 108 876 -2- LZT 123 5374 R3A Table of Contents Table of Contents INTRODUCTION 18 BACKGROUND 18 DATA EVOLUTION IN CELLULAR NETWORKS 18 WCDMA/GSM GPRS SYSTEM 22 CHARACTERISTICS OF DATA COMMUNICATION 22 CIRCUIT-SWITCHED COMMUNICATION 24 PACKET-SWITCHED COMMUNICATION 26 PACKET DATA APPLICATIONS 26 THE ROLE OF THE WCDMA/GSM GPRS NETWORK 27 FEATURES OF THE WCDMA/GSM GPRS SYSTEM 29 THE GPRS SUPPORT NODES (GSN) 31 THE ROLE OF THE SGSN 32 ROLE OF THE GGSN 33 WCDMA/GSM GPRS SYSTEM ARCHTIECTURE 34 OTHER WCDMA/GSM GPRS SYSTEM COMPONENTS 35 WCDMA UE DEFINITIONS 35 TERMINAL EQUIPMENT (TE) 35 MOBILE TERMINAL (MT) 35 USER EQUIPMENT (UE) 35 GSM MS DEFINITIONS .36 TERMINAL EQUIPMENT (TE) 36 MOBILE TERMINAL (MT) 36 MOBILE STATION (MS) 36 GPRS MS FEATURES .37 BASE STATION SYSTEM (BSS) 39 RADIO NETWORK SYSTEM (RNS) 40 MOBILE SERVICES SWITCHING CENTER (MSC) 40 LZT 123 5374 R3A -3- Table of Contents HOME LOCATION REGISTER (HLR) 40 VISITOR LOCATION REGISTER (VLR) 41 EQUIPMENT IDENTITY REGISTER (EIR) 42 AUTHENTICATION CENTER (AUC) 42 SHORT MESSAGE SERVICE-INTERWORKING MSC (SMS-IWMSC) 43 SHORT MESSAGE SERVICE GATEWAY MSC (SMS-GMSC) 43 SERVING GPRS SUPPORT NODE (SGSN) .43 GATEWAY GPRS SUPPORT NODE (GGSN) .44 PACKET EXCHANGE MANAGER (PXM) 44 DNS SERVER 45 BILLING GATEWAY (BGW) .45 OPERATION SUPPORT-SYSTEM (OSS) 45 GSM GPRS AIR INTERFACE 53 DEDICATED OR ON-DEMAND GPRS PHYSICAL CHANNEL 53 DEDICATED PDCHS 53 ON-DEMAND PDCH 54 UPLINK/DOWNLINK RADIO RESOURCES FEATURES 56 DOWNLINK RADIO RESOURCES ALLOCATION 56 DOWNLINK TRANSFER .58 UPLINK RADIO RESOURCES ALLOCATION 59 UPLINK TRANSFER 60 WHAT IMPACTS GPRS THROUGHPUT 62 EDGE TECHNOLOGY 64 EDGE MODULATION TECHNIQUE 65 -4- EN/LZT LZT 123 5374 R3A Table of Contents EDGE CODING SCHEMES 66 PACKET HANDLING IN EDGE 68 ADDRESSING WINDOW 69 LINK ADAPTATION 70 INCREMENTAL REDUNDANCY 71 CELL CHANGE IN GSM AND GPRS 72 CELL CHANGE IN GSM 72 CELL CHANGE IN GPRS 72 CELL RESELECTION, A DOWNLINK TRAFFIC CASE 74 CELL RESELECTION, AN UPLINK TRAFFIC CASE 75 WCDMA AIR INTERFACE 83 QUALITY OF SERVICE .83 CONVERSATIONAL 84 STREAMING 84 INTERACTIVE 85 BACKGROUND 85 CHANNELS 86 CHANNEL TYPES .87 PHYSICAL CHANNELS 87 TRANSPORT CHANNELS 89 LOGICAL CHANNELS 90 RADIO RESOURCE CONTROL STATES 91 IDLE STATE 92 CELL-DCH STATE 93 CELL-FACH STATE 93 CELL-PCH & URA-PCH STATES 94 SIGNALING CONNECTIONS 95 RADIO RESOURCE CONNECTION 95 PS SIGNALING CONNECTION 96 LZT 123 5374 R3A -5- Table of Contents USER PLANE BEARERS 96 RADIO BEARERS .97 RADIO ACCESS BEARERS 97 DYNAMIC BANDWIDTH ACROSS THE AIR INTERFACE 97 IN CELL-DCH 98 IN CELL-FACH 98 IN CELL-PCH OR URA-PCH .98 INTRODUCTION 105 DATA TRANSPORT IN GPRS ARCHITECTURE 105 GPRS TERMINOLOGY 105 PDP CONTEXTS 105 PDP ADDRESS 106 ACCESS POINT NAME 106 MULTIPLE PDP CONTEXTS 107 NSAPI 107 PDP CONTEXT STORAGE 108 TRAFFIC FLOW TEMPLATES 108 GTP TUNNELS IN GENERAL 109 GTP-U TUNNELS 109 TUNNEL ENDPOINT IDENTIFIERS (TEID) 110 IU TRANSPORT IN WCDMA 111 GB TRANSPORT IN GSM 111 GN TRANSPORT 111 FUNCTIONS OF TRAFFIC MANAGEMENT 111 MOBILITY MANAGEMENT 113 INTRODUCTION 113 MM STATES IN WCDMA 114 PMM-DETACHED STATE 114 -6- EN/LZT LZT 123 5374 R3A Table of Contents PMM-IDLE STATE 115 PMM-CONNECTED STATE 116 NETWORK MODES IN WCDMA 116 MM STATES IN GSM 118 IDLE STATE 118 STANDBY STATE 118 READY STATE 118 NETWORK MODES IN GSM 119 MOBILITY MANAGEMENT PROCEDURES .120 SESSION MANAGEMENT 120 SESSION MANAGEMENT PROCEDURES 121 TRAFFIC CASES FOR WCDMA .122 GPRS ATTACH 122 PDP CONTEXT ACTIVATION 124 SECONDARY PDP CONTEXT ACTIVATION 126 INTER SGSN RA UPDATE 127 TRAFFIC CASES FOR GSM .129 GPRS ATTACH 129 PDP CONTEXT ACTIVATION 130 INTER SGSN RA UPDATE 131 GSN ROADMAP 139 SGSN 140 SGSN INTRODUCTION 140 SGSN HARDWARE TYPES 142 HARDWARE CHARACTERISTICS 142 CABINET – BYB 501 143 SGSN MAGAZINES 143 PLUG-IN UNITS 148 GPRS IP CONNECTIVITY 149 LZT 123 5374 R3A -7- Table of Contents PUBLIC AND PRIVATE IP ADDRESSES 150 DYNAMIC AND STATIC IP ADDRESSES FOR UE 150 PARTITIONING OF THE GPRS IP CONNECTIVITY 150 THE ISP NETWORK OR CORPORATE NETWORK 151 GPRS INTERNAL BACKBONE 152 SGSN SS7 COMMUNICATION 153 IP INTERFACE 155 GGSN INTRODUCTION 157 FUNCTIONALITY .159 GTP SERVICES 159 CONTROL AND USER PLANES 159 SESSIONS 160 ADDRESSING 160 LOGICAL INTERFACES 162 J20 GGSN HARDWARE ARCHITECTURE .163 ROUTING ENGINE 164 PACKET FORWARDING ENGINE 165 PICS 166 NETWORK INTERFACE PICS 167 SERVICES PICS 167 ROUTING 168 FORWARDING 168 IPSEC 168 TUNNELING AND VPNS 168 RADIUS 169 AUTHENTICATION 170 ACCOUNTING 170 MSISDN AND IMSI TRANSFER BY RADIUS MESSAGE 170 DHCP 170 -8- EN/LZT LZT 123 5374 R3A Table of Contents QUALITY OF SERVICE AND ACCESS CONTROL 170 DOWNLINK PACKETS 171 QOS SETTINGS BASED ON PDP CONTEXT 171 PER-TRUNK QOS 171 UPLINK PACKETS 172 CHARGING 172 INTERNET PROTOCOL VERSION (IPV6) .173 OPERATION AND MAINTENANCE 173 BSS ARCHITECTURE FOR GPRS 183 GPRS FUNCTIONALITIES 183 SOFTWARE AND HARDWARE IMPLEMENTATION 184 BSC AND PCU 184 RAN ARCHITECTURE FOR GPRS 193 GPRS FUNCTIONALITIES 193 RAN ARCHITECTURE 193 RAN INTERFACE ARCHITECTURE 194 APPENDIX A 200 PACKET SWITCHED SERVICES (CONTROL PLANE)-WCDMA 200 PACKET SWITCHED SERVICES (USER PLANE) - WCDMA 201 PACKET SWITCHED SERVICES (USER PLANE) - GSM 202 APPENDIX B .204 REFERENCES AND ACRONYMS 204 APPENDIX C .206 TABLE OF FIGURES 206 LZT 123 5374 R3A -9- GPRS System Survey Intentionally Blank - 10 - LZT 123 5374 R3A GPRS System Survey - 196 Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix Appendix 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 197 GPRS System Survey Intentionally Blank - 198 Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix Table of Contents APPENDIX A 200 PACKET SWITCHED SERVICES (CONTROL PLANE)-WCDMA 200 PACKET SWITCHED SERVICES (USER PLANE) - WCDMA 201 PACKET SWITCHED SERVICES (USER PLANE) - GSM 202 APPENDIX B .204 REFERENCES AND ACRONYMS 204 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 199 GPRS System Survey APPENDIX A The protocol stacks for PS services for WCDMA Systems are described below: PACKET SWITCHED SERVICES (CONTROL PLANE)-WCDMA GMM / S M / SM S GMM / SM / S M S R elay RRC RRC RANAP R AN A P R LC R LC SC C P SCCP M TP -3B MTP-3B SSC F SSC F SSC O P SSCOP A A L5 AAL5 A TM A TM M AC MAC L1 L1 Uu MS Iu-CP RNS 3G S G SN Figure 8-1: PS services Control plane Protocol Stacks - 200 Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix PACKET SWITCHED SERVICES (USER PLANE) - WCDMA Application IP IP Relay Relay PDCP PDCP GTP-U GTP-U GTP-U GTP-U RLC RLC UDP/IP UDP/IP UDP/IP UDP/IP MAC MAC AAL5 AAL5 L2 L2 L1 L1 ATM ATM L1 L1 Uu MS Iu-UP UTRAN Gn 3G-SGSN Gi GGSN Figure 8-2: WCDMA PS services User plane Protocol Stacks 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 201 GPRS System Survey PACKET SWITCHED SERVICES (USER PLANE) - GSM The protocol stacks for PS services for GSM Systems are described below: Figure 8-3: GSM PS services Protocol Stacks - 202 Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix 456 bits Info bits depend on the Coding Scheme Radio Block … Header Header LLC frame data Header User data Original IP Packet IP UDP GTP Header Header Header Header consecutive bursts Application User data Header IP Original IP Packet IP Relay SNDCP SNDCP TLLI LLC RLC MAC MAC GSM RF MS Um BSSGP Network Service GSM RF L1bis BSS GTP-U UDP UDP LLC Relay RLC GTP-U User data BSSGP Gb Network Service L1bis SGSN IP IP L2 L2 L1 Gn L1 GGSN Gi Figure 8-4: User Plane for GSM (DL) 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 203 GPRS System Survey APPENDIX B REFERENCES AND ACRONYMS 3GPP API APN ATM BG BGP CDR CLI DHCP DSCP ESP ETSI FPC FTP G-CDR GGSN GPRS GTP GTP-C GTP-U HLR IETF IKE IMSI IMS IMT IP IPSec ISDN ISP LDAP LER LI LSR MPLS MS MSISDN NC O&M OSPF - 204 Third-generation Partnership Project Application Programming Interface Access Point Name Asynchronous Transfer Mode Border Gateway Border Gateway Protocol Call Detail Record Command-Line Interface Dynamic Host Configuration Protocol DiffServ CodePoint Encapsulating Security Payload European Telecommunications Standards Institute Flexible PIC Concentrator File Transfer Protocol GGSN Call Detail Record Gateway GPRS Support Node General Packet Radio Service GPRS tunneling protocol GPRS tunneling protocol control GPRS tunneling protocol user plane Home Location Register Internet Engineering Task Force Internet Key Exchange International Mobile Subscriber Identity Internet Management System International Mobile Telephony Internet Protocol Internet Protocol Security Integrated Services Digital Network Internet Service Provider Lightweight Directory Access Protocol Label Edge Router (MPLS) Lawful Interception Label Switching Router (MPLS) Multi-Protocol Label Switching Mobile Station Mobile Station Integrated Services Digital Network Number Node Controller (GGSN-C Service PIC) Operation & Maintenance Open Shortest Path First Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix PDU PDP PIC PLMN PPP PVC QoS RADIUS SC SDH SGSN SNMP SW TFT UDP UMTS WAP protocol data unit Packet Data Protocol Physical Interface Card Public Land Mobile Network Point-to-Point Protocol Permanent Virtual Circuit Quality of Service Remote Authentication Dial-In User Service Session Controller (GGSN-C Service PIC) Synchronous Digital Hierarchy Serving GPRS Support Node Simple Network Management Protocol Software Traffic Flow Template User Datagram Protocol Universal Mobile Telecommunications System Wireless Application Protocol 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 205 GPRS System Survey APPENDIX C TABLE OF FIGURES Figure 1-1: Objectives 13 Figure 1-2: Cellular packet data evolution 18 Figure 1-3: 2G Data Technologies 19 Figure 1-4: GPRS & IS-95B Packet Switching Core Networks 20 Figure 1-5: GPRS’ packet switched air interface & volume based charging 20 Figure 1-6: Bandwidth and Burstiness Characteristics of different data services 23 Figure 1-7: Resource allocation for Circuit Switched and Connectionless Packet Switched networks 24 Figure 1-8: The role of the WCDMA/GSM GPRS network compared with the role of a PSTN/ISDN network for dial-up internet access 28 Figure 1-9: GPRS Support Nodes 31 Figure 1- 10: WCDMA/GSM Network architecture 34 Figure 1- 11: GPRS Mobile Station for GSM Systems 37 Figure 1- 12: GPRS Mobile Terminal (1) 38 Figure 1- 13: GPRS Mobile Terminal (2) 38 Figure 2-1: Objectives 49 Figure 2-2: Dedicated or On-demand GPRS physical channels 54 Figure 2-3: On-demand GPRS physical channels 55 Figure 2-4: Uplink/Downlink Radio Resources 56 Figure 2-5: Downlink Radio Resources allocation (1) 57 Figure 2-6: Downlink Radio Resources allocation (2) 58 Figure 2-7: Downlink transfer 59 Figure 2-8: Uplink radio resources allocation 60 Figure 2-9: Uplink transfer (1) 61 Figure 2-10: Uplink transfer (2) 62 Figure 2-11: Radio Block Structure 63 Figure 2-12: GPRS Protocols 63 Figure 2-13: GPRS and EDGE: A comparison of technical data (Legend:8PSK, 8-phase shift keying; GMSK, Gaussian minimum shift keying; MCS, Modulation coding scheme) 64 Figure 2-14: I/Q diagram showing EDGE modulation benefits 65 Figure 2-15: EGPRS Coding Schemes 67 Figure 2-16: Packet transfer and retransmission for GPRS 68 Figure 2-17: Link Adaptation 71 Figure 2-18: Incremental Redundancy 72 Figure 2-19: Cell change in GSM during a communication 73 Figure 2-20: Cell change in GPRS during a packet transfer 74 Figure 2-21: Cell change in GPRS during a packet transfer: Uplink case 75 Figure 2-22: Cell change in GPRS during a packet transfer: Downlink case 76 Figure 3-1: Objectives 79 Figure 3-2: Quality of Service Classes 84 Figure 3-3: Example of orthogonal codes 88 Figure 3-4: Energy Spectrum before and after channelization 88 - 206 Copyright © 2003 by Ericsson AB 1/038 02 –EN/LZU 108 876 R3A Appendix Figure 3-5: RRC State Transition Diagram 92 Figure 3-6: Channel Mapping for CELL-DCH 93 Figure 3-7: Channel Mapping for CELL-FACH 94 Figure 3-8: Signaling Connections for WCDMA GPRS 95 Figure 3-9: User Plane Connections for WCDMA GPRS 96 Figure 3-10: Dynamic Bandwidth allocation 97 Figure 4-1: Objectives 101 Figure 4-2: PDP Context and Identifiers 106 Figure 4-3: Traffic Flow Templates 108 Figure 4-4: Complete User Transport Connections and Identities 110 Figure 4-5: Functions involved in WCDMA GPRS traffic management 112 Figure 4-6: Location Area (LA) and Routing Area (RA) in the WCDMA /GSM service areas 113 Figure 4-7: Packet Mobility Management State Diagram 114 Figure 4-8: GSM GPRS Mobility States 119 Figure 4-9: WCDMA GPRS Attach Procedure 122 Figure 4-10: PDP Context Activation Procedure 124 Figure 4-11: Inter SGSN RA Update 127 Figure 4-12: GSM GPRS Attach procedure 129 Figure 4-13: GSM PDP Context Activation 131 Figure 4-14: GSM Inter SGSN RA Update 132 Figure 5-1: Objectives 135 Figure 5-2: Ericsson Roadmap for GSN nodes 139 Figure 5-3: WCDMA GPRS logical architecture 142 Figure 5-4: SGSN BYB501 cabinet 143 Figure 5-5: CGSN G 3.0 Magazine Layout 144 Figure 5-6: SGSN G 3.0 Magazine Layout 145 Figure 5-7: SGSN G 5.0 Magazine Layout 146 Figure 5-8: SGSN G/W 5.5 Magazine Layout 147 Figure 5-10: GGSN J20 Node Architecture 158 Figure 5-11: GPRS Logical Architecture and interfaces 158 Figure 5-13 Node architecture 160 Figure 5-12: GGSN J20 Node Architecture 160 Figure 5-13: GGSN Packet flow 162 Figure 5-14: GGSN J20 Hardware configuration 164 Figure 5-15: Physical Interface Cards 166 Figure 6-1: Objectives 179 Figure 6-2: GPRS functionalities in the BSS 183 Figure 6-3: Hardware Structure of BSS 184 Figure 6-4: The PCU in the BSC 186 Figure 7-1: Objectives 189 Figure 7-2: Interfaces in the Radio Access Network 194 Figure 8-1: PS services Control plane Protocol Stacks 200 Figure 8-2: WCDMA PS services User plane Protocol Stacks 201 Figure 8-3: GSM PS services Protocol Stacks 202 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 207 GPRS System Survey INDEX A Access Point Name, 32, 41, 42, 106, 107, 108, 125, 126, 130, 150, 160, 161, 169, 170, 174, 203 American National Standards Institute, 153 Asynchronous Transfer Mode, 111, 149, 155, 156, 167, 169, 203 ATM Adaptation Layer, 156 AUthentication Center, 4, 16, 42, 43 B Base Station Controller, 9, 32, 33, 39, 43, 72, 111, 179, 181, 183, 184, 186, 206 Base Station System, 3, 9, 15, 39, 43, 177, 181, 183, 184, 206 Base Station System GPRS Protocol, 111 Base Transceiver Station, 39, 43, 140, 183 Billing Gateway, 4, 16, 45 Border Gateway Protocol, 152, 153, 162, 164, 168, 173, 203 Broadcast Control CHannel, 90 C Call Data Record, 141, 172, 203 Challenge Handshake Authentication Protocol, 151 Circuit-Switched, 23, 35, 36, 39, 42, 55, 62, 119, 193 Co-located GSN, 140, 144, 206 common channel Signaling Subsystem No 7, 8, 137, 149, 153, 154, 155 Common Control CHannel, 91 D Domain Name Server, 4, 16, 45, 130 Dynamic Host Configuration Protocol, 8, 121, 130, 138, 161, 162, 170, 203 E Enhanced Data rates for a Global Evolution, 4, 5, 20, 51, 64, 65, 66, 68, 205 Equipment Identity Register, 4, 16, 42, 123 Ericsson GPRS Terminal, 151 - 208 Copyright © 2003 by Ericsson AB European Telecommunication Standards Institute, 29, 36, 153, 154, 157, 159, 160, 203 F File Transfer Protocol, 27, 172, 173, 203 Frame Relay, 111, 169 G Gateway GPRS Support Node, 3, 4, 8, 15, 16, 31, 32, 33, 43, 44, 45, 105, 107, 108, 109, 111, 115, 121, 125, 126, 128, 130, 133, 135, 137, 140, 142, 144, 149, 150, 151, 152, 155, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 203, 204, 206 Gateway Mobile services Switching Center, 4, 16, 43, 140, 153, 154, 155 Global System for Mobile communication, 3, 4, 5, 6, 7, 9, 13, 15, 18, 19, 20, 21, 22, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 47, 49, 51, 53, 65, 72, 73, 101, 103, 105, 106, 109, 110, 111, 112, 113, 118, 119, 120, 129, 131, 132, 139, 140, 142, 144, 145, 146, 147, 149, 157, 183, 194, 199, 202, 205, 206 GPRS Support Node, 3, 7, 15, 31, 44, 45, 137, 139, 142, 143, 144, 145, 146, 147, 148, 151, 152, 153, 155, 206 GPRS Tunneling Protocol, 6, 8, 32, 103, 109, 110, 111, 121, 137, 153, 157, 159, 167, 171, 172, 173, 174, 203 H High-Speed Circuit-Switched Data, 19, 65 Home Location Register, 4, 16, 32, 40, 41, 42, 43, 115, 116, 123, 128, 129, 131, 140, 150, 153, 154, 155, 161, 203 I Integrated Services Digital Network, 28, 29, 40, 203, 205 International Mobile station Equipment Identity, 42, 123 1/038 02 –EN/LZU 108 876 R3A Appendix International Mobile Subscriber Identity, 8, 41, 96, 106, 107, 108, 120, 123, 128, 129, 131, 138, 170, 203 International Telecommunications Union Telecommunications, 153 Internet Protocol, 7, 8, 22, 28, 29, 30, 33, 35, 36, 41, 43, 44, 45, 84, 86, 105, 106, 107, 109, 110, 111, 121, 124, 125, 130, 137, 140, 149, 150, 151, 152, 153, 155, 156, 159, 160, 161, 162, 168, 169, 170, 171, 172, 174, 203 Internet Service Provider, 8, 22, 27, 28, 29, 31, 32, 33, 44, 124, 130, 137, 149, 150, 151, 152, 161, 162, 169, 170, 203 IP Secure protocol, 8, 109, 138, 152, 153, 168, 169, 203 P Local Area Network, 22, 29, 32, 35, 90, 120, 124, 130, 151 Location Area, 68, 113, 114, 206 Logical Link Control, 118, 156 Packet CHannel, 5, 6, 81, 90, 92, 94, 95, 98 Packet Control Unit, 9, 56, 57, 58, 59, 60, 74, 75, 111, 179, 181, 184, 185, 186, 206 Packet Data CHannel, 4, 51, 53, 54, 55, 185 Packet Data Protocol, 6, 7, 9, 32, 35, 103, 104, 105, 106, 107, 108, 109, 110, 115, 120, 121, 124, 125, 126, 128, 130, 131, 138, 151, 159, 160, 161, 167, 170, 171, 172, 194, 204, 206 Packet Data Unit, 118, 204 Packet-Switched, 5, 23, 31, 35, 36, 39, 42, 54, 55, 81, 94, 96, 98, 109, 110, 115, 116, 119, 120, 193, 200, 201, 202, 206 Password Authentication Protocol, 151 Permanent Virtual Circuit, 152, 204 Point-to-Point Protocol, 105, 125, 204 Power and Ethernet Board, 143 Public Land Mobile Network, 40, 41, 126, 140, 150, 153, 154, 204 Public Switched Telephone Network, 28, 29, 40, 205 M Q L Medium Access Control, 156 Message Transfer Part, 155 Mobile Station, 3, 15, 24, 26, 29, 30, 33, 36, 37, 39, 41, 42, 43, 44, 49, 55, 56, 57, 58, 59, 60, 72, 74, 75, 105, 106, 107, 108, 113, 118, 121, 128, 129, 130, 131, 203 Mobile Switching Center, 3, 4, 16, 39, 40, 41, 42, 43, 107, 111, 116, 119, 140, 153, 154, 194, 195 Mobile Terminal, 3, 15, 29, 35, 36, 37 Mobility Management, 6, 7, 31, 103, 108, 113, 114, 115, 116, 118, 119, 128, 155 N Network Address Translator, 152 Network layer Service Access Point Identifier, 6, 103, 107, 108, 124, 125, 126 Network Time Protocol, 175 O Open Shortest Path First, 33, 152, 153, 168, 203 Operation and Support System, 4, 16, 45 1/038 02 –EN/LZU 108 876 R3A Quality of Service, 9, 24, 32, 41, 42, 83, 84, 85, 86, 93, 98, 107, 108, 123, 124, 125, 126, 129, 138, 168, 170, 171, 172, 174, 204 R Radio Base Station, 35 Radio Frequency, 37 Random Access CHannel, 90 Remote Access Dial-In User Service, 8, 28, 33, 44, 121, 138, 150, 151, 161, 162, 169, 170, 174, 204 Routing Area, 7, 104, 113, 114, 115, 118, 120, 127, 128, 131, 132, 206 Routing Information Protocol, 33, 152, 153, 168 S Serving GPRS Support Node, 3, 4, 7, 8, 15, 16, 31, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 44, 56, 57, 58, 74, 92, 96, 97, 104, 107, 108, 109, 111, 113, 115, 116, 118, 119, 120, 121, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 135, 137, 139, 140, 141, 142, 143, 144, 145, Copyright © 2003 by Ericsson AB - 209 GPRS System Survey 146, 147, 148, 149, 150, 151, 153, 154, 155, 157, 159, 171, 183, 184, 194, 195, 204, 206 Short Message Service, 4, 16, 37, 41, 43, 85, 130, 140, 153, 154, 155 Signaling Transfer Point, 154 Software, 204 Statistic and Traffic measurement Subsystem, 156 Synchronous Digital Hierarchy, 156, 167, 204 Synchronous Optical Network, 156, 167 Synchronous Transport Module, 156 T Temporary Block Flow, 55 Temporary Flow Identity, 57, 58, 59, 60 Temporary Location Link Identity, 128, 129, 131 Terminal Equipment, 3, 15, 29, 35, 36, 130, 151 - 210 Copyright © 2003 by Ericsson AB Transaction Capabilities Application Part, 154, 155 Transcoder Controller, 184 Transmission Control Protocol, 30, 44, 86 U Universal Mobile Telecommunications System, 26, 29, 96, 154, 157, 159, 160, 172, 194, 204 Uplink State Flag, 59, 60 User Datagram Protocol, 86, 110, 111, 204 V Visitor Location Register, 4, 16, 39, 40, 41, 42, 123, 140, 154, 194, 195 1/038 02 –EN/LZU 108 876 R3A ... LZT 123 5374 R3A -9- GPRS System Survey Intentionally Blank - 10 - LZT 123 5374 R3A Introduction Introduction 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 11 - GPRS System Survey. .. implementation of the GPRS architecture 1/038 02 –EN/LZU 108 876 R3A Copyright © 2003 by Ericsson AB - 21 - GPRS System Survey WCDMA/GSM GPRS SYSTEM The WCDMA/GSM GPRS system provides a solution... without the express written consent of Ericsson This Student Book, LZT 123 5374, R3A supports course number LZU 108 876 -2- LZT 123 5374 R3A Table of Contents Table of Contents INTRODUCTION