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19、ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA/EIA-136-330-1E Packet-Data Service - Overview iForeword This foreword is not part of TIA/EIA SP-4027-330 TIA/EIA-136-330 is an overview of TDMA Packet-Data Service. TDMA Packet-D
20、ata Service is also referred to as GPRS-136. TIA/EIA-136-330 was developed by TR45.3.2, the Data Services Working Group of TR45-3, the TIA/EIA TDMA Wireless Standards Subcommittee. This document references publications developed by ETSI (European Telecommunications Standards Institute). These refere
21、nced publications are available at http:/www.etsi.org. TIA welcomes suggestions for improvement of this standard. Please send suggestions to the following address: Telecommunications Industry Association 2500 Wilson Boulevard - Suite 300 Arlington VA 22201-3836 TIA/EIA-330-1E Packet-Data Service - O
22、verview ii THIS PAGE INTENTIONALLY LEFT BLANK TIA/EIA-136-330-1E Packet-Data Service - Overview iiiContents 1. Introduction1 2. Network Reference Model.3 2.1 Network Elements.4 2.1.1 TE (Terminal Equipment).4 2.1.2 MT (Mobile Termination).4 2.1.3 BS (Base Station)4 2.1.4 SGSN (Serving GPRS Support N
23、ode)4 2.1.5 GGSN (Gateway GPRS Support Node).4 2.1.6 GPRS HLR (Home Location Register).4 2.1.7 TIA/EIA-41 HLR (Home Location Register).4 2.1.8 TIA/EIA-41 MSC/VLR Gateway (Mobile Switching Center/Visitor Location Register)4 2.1.9 TIA/EIA-41 MSC/VLR Serving (Mobile Switching Center/Visitor Location Re
24、gister).5 2.1.10 TS (Teleservice Server)5 3. Protocols6 3.1 Mobile Station Protocols.6 3.1.1 Subnetwork Dependent Convergence Protocol (SNDCP)7 3.1.2 GPRS-136 Mobility Management (GPRS-136MM)7 3.1.3 Tunneling of Messages (TOM).7 3.1.4 Logical Link Control (LLC).7 3.1.5 Radio Resource (RR)7 3.2 Base
25、Station Protocols.8 3.2.1 GPRS-136 Mobility Management (GPRS-136MM)8 3.2.2 Relay.9 3.2.3 PBCCH.9 3.2.4 Base Station System GPRS Protocol (BSSGP)9 3.2.5 Radio Resource (RR)9 3.2.6 Network Service (NS) and L1 bis.9 3.3 SGSN Protocols.10 3.3.1 Mobility Management (MM)10 3.3.2 Subnetwork Dependent Conve
26、rgence Protocol (SNDCP)11 3.3.3 Tunneling of Messages (TOM).11 3.3.4 Logical Link Control (LLC).11 3.3.5 Base Station System GPRS Protocol (BSSGP)11 3.3.6 Network Service (NS) and L1 bis:11 3.3.7 Base Station System Application Part+ (BSSAP+)11 3.3.8 RELAY.11 3.3.9 GPRS Tunneling Protocol (GTP).12 3
27、.3.10 Transmission Control Protocol (TCP)12 3.3.11 User Datagram Protocol (UDP)12 TIA/EIA-330-1E Packet-Data Service - Overview iv 3.3.12 Internet Protocol (IP)12 3.4 GGSN Protocols13 3.4.1 Packet Data Protocol (PDP)13 3.4.2 GPRS Tunneling Protocol (GTP)13 3.4.3 Transmission Control Protocol (TCP).1
28、4 3.4.4 User Datagram Protocol (UDP)14 3.4.5 Internet Protocol (IP)14 3.5 Transmission Plane15 3.6 Signaling Plane (MS-SGSN).16 3.7 Signaling Plane (MS-Gateway MSC)17 4. Channel Definition .19 4.1 Forward Packet Control Channel (FPCCH)19 4.1.1 Packet Broadcast Channel (PBCCH)19 4.1.2 Packet Paging a
29、nd Data Channel (PPDCH)20 4.1.3 Packet Channel Feedback (PCF).20 4.1.4 Reserved Channel (RSVD).20 4.2 Reverse Packet Control Channel (RPCCH).20 4.2.1 Packet Random Access Channel (PRACH)20 4.3 PDCH Types21 4.4 PCCH Characteristics22 4.5 Packet Traffic Channel (PTCH).23 4.5.1 30 kHz PTCH23 4.5.2 200
30、kHz PTCH24 4.5.3 1600 kHz PTCH Characteristics.25 5. GPRS-136 Optional Functions26 6. Documents.27 7. References .30 TIA/EIA-136-330-1E Packet-Data Service - Overview vFigures Figure 1 Network Reference Model.3 Figure 2 MS Protocol Reference Diagram.6 Figure 3 BS Protocol Reference Diagram8 Figure 4
31、 SGSN Protocol Reference Diagram10 Figure 5 GGSN Protocol Reference Diagram13 Figure 6 Transmission Plane15 Figure 7 Signaling Plane (MS-SGSN).16 Figure 8 Signaling Plane (Hard Page)17 Figure 9 Signaling Plane (TIA/EIA-136 Messages)18 Figure 10 PDCH Subchannels.19 TIA/EIA-330-1E Packet-Data Service
32、- Overview vi Tables Table 1 PDCH Types21 Table 2 PCCH Characteristics22 Table 3 30 kHz PTCH Characteristics23 Table 4 200 kHz PTCH Characteristics24 Table 5 1600 kHz PTCH Characteristics25 Table 6 TIA/EIA-136 Documents27 Table 7 ETSI GPRS Documents.28 TIA/EIA-136-330-1E Packet-Data Service - Overvi
33、ew viiRevision History Date Description 12 October 1999 Draft for SP-4027-330 TIA/EIA-330-1E Packet-Data Service - Overview viii THIS PAGE INTENTIONALLY LEFT BLANK TIA/EIA-136-330-1E Packet-Data Service - Overview 11. Introduction 1 GPRS-136 is the packet-data service provided in TIA/EIA-136 (also k
34、nown as UWC-2 136). GPRS-136 integrates the TIA/EIA-136 air link with the General Packet Radio 3 Service (GPRS) as defined by the European Telecommunications Standards Institute 4 (ETSI). Specifically, GPRS-136 supports a packet data service on the following: 5 TIA/EIA-136 30-kHz channels (designate
35、d as 136+). 6 TIA/EIA-136 200-kHz channels for high speed data (384 kbit/s) 7 accommodating high mobility (designated as 136HS Outdoor). 8 TIA/EIA-136 1600-kHz channels for very high speed data (2 Mbits/s) in low 9 mobility applications (designated as 136HS Indoor). 10 In addition to the packet data
36、 service available with GPRS-136, a GPRS-136 subscriber 11 shall also have the capability to receive existing TIA/EIA-136 and TIA/EIA-41 services 12 (e.g., circuit switched voice services, and short messaging services), provided the 13 subscribers mobile station supports both circuit-mode and packet
37、-mode. 14 GPRS-136 supports two new classes of mobile stations: 15 Class B136 This MS class supports TIA/EIA-136 circuit service, GPRS-136 16 packet service, TIA/EIA-136 teleservices, and TIA/EIA-136 functions (e.g., 17 Intelligent Roaming). A Class B136 mobile station can invoke packet-data 18 tran
38、sactions or circuit calls sequentially but not simultaneously. The selection 19 of the appropriate service is performed automatically. 20 When a mobile station has successfully attached to both packet and circuit 21 service, a packet data transaction or circuit call may be invoked by the 22 network
39、or the mobile station. 23 If a circuit call is invoked while a packet data transaction is active, the 24 mobile station shall suspend packet service and proceed with the circuit 25 call. Upon termination of the circuit call, the mobile station shall request 26 the packet service be resumed. The netw
40、ork shall either grant or reject the 27 resume request. 28 Class C136 This MS class supports GPRS packet service and TIA/EIA-136 29 functions for Intelligent Roaming. 30 GPRS-136 allows the service subscriber to send and receive data in an end-to-end packet 31 mode, without utilizing network resourc
41、es in circuit mode. GPRS-136 enables the 32 efficient use of network resources for packet data applications. For example, GPRS-136 33 is well suited for applications that exhibit one or more of the following characteristics: 34 intermittent, non-periodic (i.e., bursty) data transmissions, where the
42、time 35 between successive transmissions greatly exceeds the average transfer delay; 36 frequent transmissions of small volumes of data (e.g., transactions consisting of 37 less than 500 octets occurring at a rate of up to several transactions per minute); 38 infrequent transmission of larger volume
43、s of data (e.g., transactions consisting 39 of several kilobytes occurring at a rate of up to several transactions per hour). 40 TIA/EIA-330-1E Packet-Data Service - Overview 2 Based on standardized network protocols supported by GPRS-136, a GPRS-136 network 1 administration may offer (or support) a
44、 set of additional services. These services are 2 outside the scope of this standard; however, a number of possible point-to-point 3 interactive teleservices include the following: 4 retrieval services that provide the capability of accessing information stored in 5 database centers. The information
45、 is sent to the user on demand only. An 6 example of one such service is the Internet World Wide Web (WWW); 7 messaging services that offer user-to-user communication via storage units with 8 store-and-forward mailbox, or message-handling functions; 9 conversational services that provide bi-directio
46、nal communication by means of 10 real-time (no store-and-forward) end-to-end information transfer from user to 11 user (e.g., Internet Telnet application); 12 tele-action services that are characterized by low data volume (short) 13 transactions (e.g., credit card validations, lottery transactions,
47、utility meter 14 readings, and electronic surveillance systems). 15 TIA/EIA-136-330-1E Packet-Data Service - Overview 32. Network Reference Model 1 Figure 1 presents the network elements and the associated reference points that comprise 2 a GPRS-136 network. Implementations may vary with respect to
48、how the network 3 elements are distributed among various physical units. 4 Figure 1 Network Reference Model 5 TIA/EIA-41HLRTIA/EIA-41MSC/VLRGatewayTSMTTIA/EIA-41MSC/VLRServingSGSNBSGPRSHLRPDNTEGGSNGGSNTENQC-DEGcGbGiGrGsRGnGpSignalingSignaling and Data Transfer InterfaceNotes:- For simplicity, not al
49、l network elements of TIA/EIA-41 and ETSI GPRS are shown.- A primed interface (e.g., Gs) indicates and ETSI GPRS interface that has been modified.Other PLMNUmC-DSGSNGn6 TIA/EIA-330-1E Packet-Data Service - Overview 4 2.1 Network Elements 1 2.1.1 TE (Terminal Equipment) 2 The equipment that typically interfaces to the user (e.g., Personal Computer) and contains 3 applications that invoke or discontinues packet data transfer with the GPRS-136 network. 4 2.1.2 MT (Mobile Termination) 5 The part of the mobile s
