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1、JOINT INTERIM STANDARD GMR-1 Series 04 (04.007) Radio Interface Protocol Specifications - Mobile Radio Interface Signaling Layer 3 General Aspects IS-J-STD-782-Series 4 NOVEMBER 2001 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Rcprewnting the telennimunicationv indusiry in aysociaion with the Electronic
2、 Indusiria Alliance Elsctron ic Ind wtries. Allia nee EUROPEAN TELECOMMUNICATIONS STANDARDS INSTITUTE Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or
3、 networking permitted without license from IHS -,-,- NOTICE FROM THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION TIA/EIA Engineering Standards and hblications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeabi
4、lity and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and hblications shall not in any respect preclude any member or nonmember of TIA/EIA from manufacturing or selling produ
5、cts not conforming to such Standards and hblications, nor shall the existence of such Standards and hblications preclude their voluntary use by those other than TIA/EIA members, whether the standard is to be used either domestically or internationally. Standards and hblications are adopted by TIA/EI
6、A in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA/EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or hblication. Note: The users attention is called to the possib
7、iliS, that compliance with this document may require use o f one or more inventions covered by patent rights. By publication o f this standard, Interim Standard, or TSB, no position is taken with respect to the validio o f those claims or o f any patent rights in connection therewith. The patent hol
8、der) so far identified have, however, filed statements o f willingness to grant licenses under those rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. Details may be obtained from the standards developer. TIA/EIA AND JOINT INTERIM STANDAR
9、DS Joint Interim Standards contain information deemed to be of technical value to the industry, and are published at the request of the originating Committee without necessarily following the rigorous public review and resolution of comments which is a procedural part of the development of an Americ
10、an National Standard (ANS). Interim Standards should be reviewed on a periodic basis by the formulating Committee and a decision made on whether to proceed to develop a TIA/EIA Standard on this subject. Interim Standards must be upgraded or cancelled by the Committee before the end of their third ye
11、ar of existence. hblication of this Joint Interim Standard for trial use and comment has been approved by the Telecommunications Industry Association. Distribution of this Joint Interim Standard for comment shall not continue beyond 36 months from the date of publication. It is expected that followi
12、ng this 36 month period, this Joint Interim Standard, revised as necessary, will be submitted to the American National Standards Institute for approval as an American National Standard. Suggestions for revision should be directed to: Standards Abbreviations and acronyms“. This specification is not y
13、et published. GMR-1 01,201 (TWEWIS-782.01201): “GEO-Mobile Radio Interface Specifications; Introduction to the GMR- 1 family“. This specification is not yet published. GMR-103,297 (TWEWIS-782.03297): “GEO-Mobile Radio Interface Specifications; GMR-1 Optimal Routing Technical Realization.“ This speci
14、fication is not yet published. GMR-103,298 (TWEWIS-782.03298): “GEO-Mobile Radio Interface Specifications; Technical Realization of High Penetration Alerting.“. This specification is not yet published GMR-1 04.001 (TWEWIS-782.04001): “GEO-Mobile Radio Interface Specifications;Mobile Earth Station Ga
15、teway Station System (MES GSS) interface; General aspects and principles“. This specification is not yet published. GMR-104,006 (TWEWIS-782.04006): “GEO-Mobile Radio Interface Specifications; Mobile Earth Station Gateway Station Interface; Data Link Layer Specifications“. This specification is not y
16、et published. GMR-104.008 (TIA/EWIS-782.04008): “GEO-Mobile Radio Interface Specifications; Mobile Radio Interface Layer 3 Specifications“. This specification is not yet published. GSM 04.07 (V4.3.1) (ETS 300 556): “GEO-Mobile Radio Interface Specifications; Mobile Radio Interface Signaling Layer 3.
17、 General Aspects“. 1 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA/EIA/IS-782.04007 Usage i
18、n GSM MS (Mobile Station) BS (Base Station) 91 GSM 04.07 (V6.1.0) (TS 100 939): Digital cellular teleconmunications system (Phase 2+); Mobile radio interface signalling layer 3; General aspects“. GSM 04.10 (V4.10.1) (ETS 300 558): “Digital cellular telecommunications system (Phase 2); Mobile radio i
19、nterface layer 3 Supplementary services specification General aspects“. GSM 04.11 (V4.10.1) (ETS 300 559): “Digital cellular telecommunications system (Phase 2); Point-to- Point (PP) Short Message Service (SMS) support on mobile radio interface. lo1 i 11 Usage in GMR-1 MES (Mobile Earth Station) GS
20、(Gateway Station) 3 Definitions and abbreviations 3.1 Terminology A number of concepts and terms have been borrowed from GSM 04.07 SI. Table 3-1 shows the terms mapped from the GSM to the GMR-1 documents and are useful for proper association. Table 3-1: Mapping of GSM terms to GMR-1 Also refer to th
21、e terminology cross reference table in GMR-1 01.201 2 for a cross reference between common GSM terms and the equivalent terms used in GMR-1 specifications. 3.2 Abbrevi at ions Refer to GMR-1 01.004 i. 4 I n t rod uct ion 4.1 General Signaling Layer 3 provides the functions required to establish, mai
22、ntain and terminate circuit-switched connections across a GMR- 1 Public Land Mobile Network (PLMN) and other networks to which the GMR-1 PLMN is connected. Layer 3 provides the necessary supporting operations related to supplementary services and short messages service control. It also includes the
23、actions required for mobility and radio resource management. Layer 3 contains three sublayers having the following functions: 0 Radio Resource (RR) management Mobility Management (MM) 0 Connection Management (CM) The RR sublayer contains 0 The RR management protocol 2 Copyright Telecommunications In
24、dustry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 TINEINIS-782.04007 The Dual Tone Multiple Frequency (DTMF) transmission and Du
25、al Tone Reception Service (DTRS) management The CM sublayer contains 0 Call Control (CC) 0 SMS support 0 Supplementary Services (SS) 4.2 Objectives The objectives of Layer 3 are to provide the means for: The establishment, operation and release of a dedicated radio channel connection, exchange of po
26、sition information and support for optimal routing and single-hop MES-MES calls (RR) The transmission and reception of DTMF digits dialed by the mobile user over the air to the peer entity (MES or GS) (DTRS) 0 The location updating, authentication, Temporary Mobile Subscriber Identity (TMSI) realloc
27、ation and support for optimal routing (MM) The establishment, maintenance and termination of Circuit-Switched Calls (CC) 0 SS support 0 SMS support 4.3 General characteristics 4.3.1 Technique of description Layer 3 signaling is described in terms of The services provided by signaling Layer 3 The ser
28、vices assumed from signaling Layer 2 The functions of signaling Layer 3 The signaling Layer 3 functions are performed by means of the signaling Layer 3 protocols between two systems representing the MES and network sides of the radio interface (as viewed by the MES). This technical specification doe
29、s not consider the distribution of signaling functions among the different network equipment. The functions of Layer 3 and its supporting lower layers provide the Mobile Network Signaling (MNS) service to the upper layers. The service interfaces to the upper layers and to the data link Layer 2 are d
30、escribed by the primitives and parameters as recommended in CCITT Recommendation X.200. The same technique of description is used for the three sublayers. 4.3.2 Primitives The services provided by the various sublayers are described in this technical specification. The primitives describe the elemen
31、tary interactions among adjacent sublayers. Primitives consist of requests, responses, indications and confirmations. The basic syntax of a primitive is specified in GMR-104.001 5. 3 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/111111
32、1001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA/EIA/IS-782.04007 4.3.3 Peer-to-Peer communication Exchange of information between two peers of signaling Layer 3 is performed by means of the three sublayer proto
33、cols CM, MM, RR. A protocol is a set of rules and formats over which the control information and user data are exchanged between the two peers. 4.3.4 Contents of signaling layer 3 related technical specifications GMR-104,008 7 specifies the protocols for CC, MM, DTRS, and RR management. GSM 04.10 lo
34、 specifies the protocols for SS support. GSM 04.1 1 1 i specifies the protocols for SMS support. 5 Structure of signaling layer 3 functions 5.1 Basic groups of functions Signaling Layer 3 contains the following groups of signaling functions: cc SMS ss support MM RR Management DTRS These functional g
35、roups are realized by separate protocol control entities: Other functions contained in Layer 3 are related to the transport of messages such as multiplexing and splitting. These functions are defined in the RR management sublayer and the MM sublayer. They route the messages according to the PD and T
36、ransaction Identifier (TI), which are included as part of the message header. The MM sublayer routing function shall route the messages of the CM entities and of the MM entity of its own sublayer in the uplink direction toward the service access point of RR. This sublayer shall also multiplex these
37、messages for parallel transactions. The routing function of the RR management sublayer shall distribute the messages to be sent according to their PD and the actual channel configuration. The DTRS entity uses the same routing function to send messages to the RR entity to transmit DTMF tone related i
38、nformation. The RR entity internally checks whether a Data Link (DL) connection on SAPI = 2 on the FACCH Terminal-To- Terminal (TtT) signaling link exists for messages with PD of DTRS. If so, it transmits the information using this DL connection or it uses the SAPI = O connection (the main signaling
39、 link). The RR suppresses transmission of a message internally if there is no RR connection present or if it is at the network side of a single hop TtT call. The messages provided at the different service access points of Layer 2 in the downlink direction are split by the RR sublayer routing functio
40、n according to the PD. Messages with a PD equal to RR are passed to the RR entity of their own sublayer. All other messages are provided to the DTRS/MM sublayer at the service access point RR-SAP. The DTRS entity extracts messages using its own PD and passes the remaining messages on to the MM subla
41、yer. 4 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 TINEINIS-782.04007 The routing function
42、of MM passes the messages according to the protocol discriminator (PD) and the transaction identifier (TI) towards the MM entity or towards the CM entities via the various MM-SAPS. The message header or parts of it are not removed by the RR routing function before passing it to the MM sublayer becau
43、se further routing shall be done by MM using the same criteria. This is not in line with the rules of the IS0 reference model but it reduces the number of message octets. 5.2 Pro toco I arch i tectu re A hierarchy of three sublayers is defined as follows: The RR sublayer provides services to the MM
44、sublayer and utilizes the services of signaling Layer 2. The RR and DTRS protocol entities are included. The MM sublayer provides common services to the entities of the CM sublayer. The CM sublayer includes the CC, SS and SMS entities, which are independent entities. See figure 5-1 for Layer 3 MES s
45、ide protocol architecture. MOBILE MNCC-SAP MNSS-SAP MNSMS-SAP M N RR-SAP RR-SAI I I I ,JT-i 1-7- s PI 3 RACH, BCCH, AGCH, PCH, FACCH, TACCH SACCH, SDCCH FACCH BACH, SDCCH, SACCH, Figure 51: Protocol architecture of signaling layer 3 - mobile earth station side 5 Copyright Telecommunications Industry
46、 Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/29/2007 21:22:17 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA/EIA/IS-782.04007 6 Services provided by signaling layer 3 at the Mobile Earth Stat
47、ion side The different classes of services provided by signaling Layer 3 at the MES side are accessible at the following service access points: Alert indications and position information at the MNRR-SAP Registration services at the MMREG-SAP DTRS at the DTRS-SAP 0 CC services for normal and emergenc
48、y calls including call-related supplementary services support at the MNCC-SAP 0 Short message services support at the MNSMS-SAP 0 Call-independent supplementary services support at the MNSS-SAP 6.1 Registration services Same as subclause 6.1 of GSM 04.07 SI. 6.1.1 Service state diagram Same as subcl
49、ause 6.1.1GSM 04.07 SI. 6.1.2 Service primitives Same as subclause 6.1.2 of GSM 04.07 SI. 6.2 Call control services Same as GSM 04.07 SI with the exception of subclauses 6.2.2.23 through 6.2.2.26, which are not required. The following primitives are not supported: 0 MNCC-START-DTMl-REQ 0 MNCC-START-