ETSI GSM 08 58-1997 Digital Cellular Telecommunications System (Phase 2+) Base Station Controller - Base Transceiver Station (BSC - BTS) Interface Layer 3 Specification《数字蜂窝通信系统(第2.pdf

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1、GSM GSM 08.58 October 1997 Version 5.5.0 Source: SMG Reference: RTS/SMG-O30858QR ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) Digital cellular telecommunications system (Phase 2+); Base Station Controller - Base Transceiver Station

2、(BSC - BTS) interface; Layer 3 specification (GSM 08.58 version 5.5.0) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlac, p=e

3、tsi, s=secretariat - Internet: secretariatQetsi.fr Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. O European Telecommunicat

4、ions Standards Institute 1997. All rights reserved. Page 2 GSM 08.58 version 5.5.0: October 1997 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write

5、to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. STD-ETSI GSM 08.58-ENGL 1997 m 3LIOO855 0242894 199 m Page 3 GSM 08.58 version 5.5.0: October 1997 Contents Foreword . 7 1 Scope . 9 1.1 Normative references . 9 1.2 Abbreviations 10 2 Protocol model 10 3 Radio Lin

6、k Layer Management Procedures 11 3.1 Link establishment indication . 11 3.2 Link establishment request . 12 3.3 Link release indication 12 3.4 Link release request 12 3.5 Transmission of a transparent L3-Message in acknowledged mode . 13 3.6 Reception of a transparent L3-Message in acknowledged mode

7、 . 13 3.7 Transmission of a transparent L3-Message in unacknowledged mode . 13 3.8 Reception of a transparent L3-Message in unacknowledged mode 13 3.9 Link error indication . 13 4 Dedicated channel management procedures 14 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.1 O 4.1 1 4.12 4.1 3 4.14 Channel activ

8、ation 14 4.1.1 Signalling Procedure . 14 4.1.2 Activation for Intra-Cell Channel Change . 15 4.1.3 Activation for Asynchronous Handover 15 4.1.4 Activation for Synchronous Handover 15 4.1.5 Activation for Secondary Channels in Multislot Configuration . 16 4.1.6 Channel reactivation 16 Channel MODE M

9、ODIFY . 16 Handover detection 17 Start of encryption . 17 Measurement reporting 18 Basic measurement reporting 18 4.5.2.1 Pre-processing configuration 19 Pre-processed measurement reporting . 19 4.5.1 4.5.2 Measurement pre-processing 19 4.5.2.2 Deactivate SACCH 20 Radio channel release 20 MS power c

10、ontrol 20 Transmission power control 21 Connection failure 21 Physical context request 22 SACCH information modify . 22 Talker detection 22 Listener detection 23 5 Common channel management procedures 23 5.3 Delete indication 23 CCCH load indication . 24 Broadcast information modify . 24 5.7 IMMEDIA

11、TE ASSIGNMENT . 26 5.8 Notification 26 5.1 Channel request by MS 23 5.2 Paging 23 5.4 5.5 5.6 Short Message Cell Broadcast . 24 _ STD-ETSI GSM O-5-ENGL 1777 3400855 0242895 025 Page 4 GSM 08.58 version 5.5.0: October 1997 TRX management procedures 27 6.1 Radio resource indication . 27 6.2 SACCH fill

12、ing information modify . 27 6.3 Flow control 28 6.4 Error reporting . 28 Error handling 29 7.1 General 29 7.2 Message discriminator error . 29 7.3 Message type error . 29 7.4 Message sequence error . 29 7.5 General information element errors . 29 7.6 Mandatory information element errors . 29 7.7 Opt

13、ional information element errors . 30 7.8 Conditional information element errors . 30 Message formats and contents . 30 8.1 Transparent messages 31 8.2 Non-transparent messages (BSC-BTS specific messages) . 31 8.3 Radio link layer management messages 31 8.3.1 DATA REQUEST 32 8.3.2 DATA INDICATION .

14、32 8.3.3 ERROR INDICATION 32 8.3.4 ESTABLISH REQUEST 8.3.5 ESTABLISH CONFIRM 8.3.6 ESTABLISH INDICATION 33 8.3.7 RELEASE REQUEST 34 8.3.8 RELEASE CONFIRM 34 8.3.9 RELEASE INDICATION 34 8.3.10 UNIT DATA REQUEST 34 8.3.1 1 UNIT DATA INDICATION 35 DEDICATED CHANNEL MANAGEMENT MESSAGES . 35 8.4.1 CHANNE

15、L ACTIVATION 36 8.4.2 CHANNEL ACTIVATION ACKNOWLEDGE . 37 8.4.3 CHANNEL ACTIVATION NEGATIVE ACKNOWLEDGE . 37 8.4.4 CONNECTION FAILURE INDICATION . 37 8.4.5 DEACTIVATE SACCH . 38 8.4.6 ENCRYPTION COMMAND 38 8.4.7 HANDOVER DETECTION . 38 8.4.8 MEASUREMENT RESULT 39 8.4.9 MODE MODIFY . 39 8.4.10 MODE M

16、ODIFY ACKNOWLEDGE 40 8.4.1 1 MODE MODIFY NEGATIVE ACKNOWLEDGE . 40 8.4.12 PHYSICAL CONTEXT REQUEST 40 8.4.13 PHYSICAL CONTEXT CONFIRM 40 8.4.14 RF CHANNEL RELEASE . 41 8.4.15 MS POWER CONTROL 41 8.4.16 BS POWER CONTROL 41 8.4.1 7 PREPROCESS CONFIGURE 42 8.4.1 8 PREPROCESSED MEASUREMENT RESULT 42 8.4

17、.1 9 RF CHANNEL RELEASE ACKNOWLEDGE 42 8.4.20 SACCH INFO MODIFY . 42 8.4.21 TALKER DETECTION . 43 8.4.22 LISTENER DETECTION . COMMON CHANNEL MANAGEMENT MESSAGES . 43 8.5.1 BCCH INFORMATION . 8.5.2 CCCH LOAD INDICATION . 8.5.3 CHANNEL REQUIRED 45 8.5.4 DELETE INDICATION 8.5.5 PAGING COMMAND 46 8.4 8.

18、5 STDmETSI GSM 08.58-ENGL 1797 3400855 024287b Tbl = Page 5 GSM 08.58 version 5.5.0: October 1997 8.5.6 IMMEDIATE ASSIGN COMMAND . 46 8.5.7 SMS BROADCAST REQUEST 46 8.5.8 SMS BROADCAST COMMAND 47 8.5.9 CBCH LOAD INDICATION 47 8.5.1 O NOTIFICATION COMMAND 48 TRX MANAGEMENT MESSAGES 48 8.6.1 RF RESOUR

19、CE INDICATION 48 8.6.2 SACCH FILLING 49 8.6.3 OVERLOAD . 49 8.6.4 ERROR REPORT . 50 8.6 9 Information element codings . 51 9.1 Message discriminator . 51 9.2 MESSAGE TYPE 51 9.3 Other information elements 52 9.3.1 Channel Number . 54 9.3.2 Link Identifier 54 9.3.3 Activation Type . 55 9.3.4 BS Power

20、 55 9.3.5 Channel Identification 56 9.3.6 Channel Mode 56 9.3.7 Encryption information . 58 9.3.8 Frame Number . 58 9.3.9 Handover reference 59 9.3.10 L1 Information 59 9.3.1 1 L3 Information (message name) 59 9.3.12 MS Identity 60 9.3.13 MS Power 60 9.3.14 Paging Group . 60 9.3.1 5 Paging Load . 60

21、 9.3.1 6 Physical Context . 61 9.3.1 7 Access Delay . 61 9.3.18 RACH Load 61 9.3.19 Request Reference . 62 9.3.20 Release Mode 62 9.3.21 Resource Information 63 9.3.22 RLM Cause 63 9.3.23 Starting Time 64 9.3.24 Timing Advance 64 9.3.25 Uplink Measurements 64 9.3.26 Cause 65 9.3.27 Measurement resul

22、t number 68 9.3.28 Message Identifier 68 9.3.29 SACCH Information . 68 9.3.30 System Info Type . 69 9.3.31 MS Power Parameters . 70 9.3.32 BS Power Parameters 70 9.3.33 Pre-processing Parameters . 70 9.3.34 Pre-processed Measurements . 71 9.3.35 Full Immediate Assign Info . 71 9.3.36 SMSCB Informati

23、on 71 9.3.37 MS Timing Offset . 71 9.3.38 Erroneous Message 72 9.3.39 Full BCCH Information (message name) . 72 9.3.40 Channel Needed . 72 9.3.41 CB Command type . 73 9.3.42 SMSCB Message . 74 9.3.43 CBCH Load Information 74 9.3.44 SMSCB Channel Indicator . 74 9.3.45 Group call reference . 75 STD-ET

24、SI GSM 08.58-ENGL 1797 3400855 0242897 7T8 = Page 6 GSM 0858 version 5.5.0: October 1997 9.3.46 Channel description . 75 9.3.47 NCH DRX information 75 9.3.48 Command indicator . 75 9.3.49 eMLPP Priority . 76 9.3.50 UIC . -76 9.3.51 Main channel reference . 76 History 77 STD-ETSI GSM 08-58-ENGL 1997

25、3Li00855 0242878 834 Page 7 GSM 08.58 version 5.5.0: October 1997 Foreword This Global System for Mobile communications Technical Specification (GTS) has been produced by the Special Mobile Group (SMG) of the European Telecommunications Standards Institute (ETSI). This GTS specifies the general stru

26、cture of layer 3 and traffic management procedures and messages used on the A-bis interface to support signa Hing procedures within the digital cellular telecommunications system. This GTS is a SMG approved GSM technical specification version 5, which contains GSM Phase 2+ enhancementdfeatures to th

27、e version 4 GSM technical specification. The ETS from which this Phase 2+ GTS has evolved is Phase 2 GSM ETS 300 596 Edition 4 (GSM 08.58 version 4.9.0). The contents of this GTS are subject to continuing work within SMG and may change following formal SMG approval. Should SMG modify the contents of

28、 this GTS it w ill then be republished by ETSI with an identifying change of release date and an increase in version number as follows: Version 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification; x the second digit is incremented for

29、 all other types of changes, .e. technical enhancements, corrections, updates, etc. The specification from which this GTS has been derived was originally based on CEPT documentation, hence the presentation of this GTS may not be entirely in accordance with the ETSI rules. Page 9 GSM 08.58 version 5.

30、5.0: October 1997 1 scope The use and general aspects of the Base Station Controller (BSC) to Base Station Transceiver (BTS) interface (the A-bis interface) are given in GSM 08.51. This Global System for Mobile communications Technical Specification (GTS) specifies the general structure of layer 3 a

31、nd traffic management procedures and messages used on the A-bis interface to support signalling procedures as defined in GSM 04.08. Network management procedures and messages for the A-bis interface are defined in GSM 08.59. The functional split between BSC and BTS is defined in GSM08.52. The proced

32、ures and messages required to support this split are defined in detail in this GTS. 1.1 Normative references This GTS incorporates by dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are l

33、isted hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this GTS only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. 131 41 51 71 GSM O1 .O4 (ETR 350): “Di

34、gital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. GSM 03.20 (ETS 300 929): “Digital cellular telecommunications system (Phase 2+); Security related network functions“. GSM 04.04 (ETS 300 936): “Digital cellular telecommunications system; Layer 1; General requirements“

35、. GSM 04.05 (ETS 300 937): “Digital cellular telecommunications system; Data Link (DL) layer; General aspects“. GSM 04.06 (ETS 300 938): “Digital cellular telecommunications system (Phase 2+); Mobile Station - Base Station System (MS - BSS) interface; Data Link (DL) layer specification“. GSM 04.08 (

36、ETS 300 940): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification“. GSM 04.12 (ETS 300 943): “Digital cellular telecommunications system (Phase 2+); Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface“. GSM 05.02 (ETS 30

37、0 908): “Digital cellular telecommunications system (Phase 2+); Multiplexing and multiple access ou the radio path“. GSM 05.05 (ETS 300 91 O): “Digital cellular telecommunications system (Phase 2+); Radio transmission and reception“. GSM 05.08 (ETS 300 91 1): “Digital cellular telecommunications sys

38、tem (Phase 2+); Radio subsystem link control“. GSM 05.1 O (ETS 300 912): “Digital cellular telecommunications system (Phase 2+); Radio subsystem synchronization“. GSM 08.06: “Digital cellular telecommunications system (Phase 2+); Signa Ilhg transport mechanism specification for the Base Station Syst

39、em - Mobile-seMces Switching Centre (BSS - MSC) interface“. Previous page is blank STD-ETSI GSM 08.58-ENGL 1997 3400855 0242900 212 m Page 10 GSM 08.58 version 5.5.0: October 1997 31 41 51 GSM 08.08: “Digital cellular telecommunications system (Phase 2+); Mobile-services Switching Centre - Base Stat

40、ion System (MSC - BSS) interface; Layer 3 specification“. GSM 08.51 : “Digital cellular telecommunications system; Base Station Controller - Base Transceiver Station (BSC - BTS) interface; General aspects“. GSM 08.52: “Digital cellular telecommunications system; Base Station Controller - Base Transc

41、eiver Station (BSC - BTS) interface; Interface principles“. GSM 08.56: “Digital cellular telecommunications system; Base Station Controller - Base Transceiver Station (BSC - BTS) interiace; Layer 2 specification“. 1.2 Abbreviations Abbreviations used in this GTS are listed in GSM O1 .O4 2 Protocol m

42、odel A model for L3 can be found in figure 2.1. L2 addressing is made to TRX (or BCF) using the TE1 of LAPD. Different L2 links are used for traffic management messages (RSL, Radio Signa Ilhg Link), network management messages (OML, Operation the repetition of an SABM or DISC frame N200 times withou

43、t an acknowledgement: the reception of an SABM frame in multi-frame established state. When such an event has occurred, BTS notifies BSC by sending an ERROR INDication message containing the relevant cause information. STD.ETSI GSM 08-58-ENGL 1997 m 3400855 0242904 9b8 Page 14 GSM 0858 version 55.0:

44、 October 1997 MS BTS BSC I I abnormal case ERROR IND 4 Dedicated channel management procedures 4.1 Channel activation This procedure is used to activate a channel at the BTS for an MS which later will be comman ded to this channel by an IMMediate ASSIGN, an ASSIGN CoMmanD, an ADDitional ASSIGNment;

45、a NOTIFICATION, a CHANNEL RELEASE (with a Channel description) a HANDOver CoMmanD or a CONFiguration CHange CoMmanD message. In the handover case, the procedure is used between the target BSC and the target BTS to activate a channel for a subsequent handover from the old BTS. 4.1.1 Signalling Proced

46、ure BSC determines what channel shall be used and starts that channel at BTS by sending a CHANnel ACTIVation message to the relevant TRX. This message contains the reason for the activation (immediate assignment, assignment, acynchronous/synchronous handover, additional assignment, activation of a s

47、econdary channel in a multislot configuration), the identification of the channel to be used (channel no) and a complete description of the channel (fulVhalf rate, speecwdata, codinghate adaption, hopping sequence, encryption key etc.). If the Encryption Information field is present, the activation

48、is done with ciphering active. If the Encryption information element is not present, activation is done without ciphering. After activating the channel as requested, TRX responds with the CHANnel ACTIVation ACKnowledge message. This message contains the current frame number at BTS. The frame number

49、is used by BSC to determine the Starting Time parameter to be included in the following assignment message to MS. (A suitable number has to be added to current frame number to take all possible signa Iling delays into account) . MS TS CHAN ACTIV assignment to MS cc IMMediate A SIGN or ASSIGN CoMmanD or ADDitional ASSIGN or CHANNEL RELEASE or NOTIFICATION If the TRX for some reason cannot activate the resource as requested by the CHANnel Activation message, the TRX shall return a CHANnel ACTIVation Negative ACKnowledge message with the most appropriate cause value. Possi