1、ETSI GSM*LL.23 94 = 3400855 0003852 LLb ETSI-GSM Tec hn cal Specification GSM 11.23 Version: 4.0.0 Date: June 1994 Key words: European Digital Cellular Telecommunications System, Global System for Mobile Communications (GSM). GSM Signalling Aspects Base Station System Equipment Specif ication ETSI E
2、uropean Telecommunications Standards Institute ETSI Secretariat Postal address: 06921 Sophia Antipolis Cedex - FRANCE Off ice address: Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Tel.: +33 92 94 42 O0 - Fax: +33 93 65 47 16 This is an unpublished work the copyright in which vests in th
3、e European Telecommunications Standards Institute. All rights reserved. The information contained herein is the property of ETSI and no pari may be reproduced or used except as authorised by contract or other written permission. The copyright and the foregoing restriction on reproduction and use ext
4、end to all media in which the information may be embodied. ETSI GSM*:11.23 94 m 3400855 0003853 052 Page 3 GSM 11.23 v.4.0.0: June 1994 CONTENTS Foreword . 9 scope 11 Normative references 11 Definitions. symbols and abbreviations 11 Guide to Document . 11 4.1 Layer 2 signalling 11 4.2 Layer 3 signal
5、ling 11 4.3 Core Recommendations . 11 5.6 5.7 5.8 Testing of Layer 2 (LAPDm) functions . 12 5.2 Introduction 12 5.3 5.5 5.1 scope . 12 Layer 2 test frames . 12 5.4 General requirements . 13 Establishment of the dedicated physical resource . 14 5.5.1 MS-originated . 14 5.5.1.1 5.5.1.2 5.5.1.3 No Cont
6、ention resolution on FACCH ( No immediate 5.5.1.4 No contention resolution on SACCH ( Short Message Contention resolution on FACCH or SDCCH 14 No Contention resolution on FACCH or SDCCH . 15 Assign procedures) 16 5.5.2 BSS-originated 17 5.6.1 MS-originated . 17 5.6.2 BSS-originated 17 Signalling con
7、nections (SAPI4) . 19 Service) 17 Short Message Service 17 Release of the dedicated physical resource 17 5.5.2.1 LAPDm idle state 17 5.8.1 5.8.2 5.8.3 5.8.4 5.8.5 5.8.6 5.8.7 Link establishment 20 5.8.1.1 Normal initialisation (contention resolution) . 20 5.8.1.2 Initialisation failure (contention r
8、esolution) 20 Repeated SABM (loss of UA frame) 20 fields 21 5.8.1.3 Normal initialisation (no contention resolution) 23 Normal information transfer . 23 5.8.2.1 Sequence counting and I frame acknowledgements . 23 5.8.2.2 Receipt of an I frame in the timer recovery state . 26 5.8.2.3 Segmentation and
9、 Concatenation . 28 Normal Layer 2 release by MS 29 Normal Layer 2 release by BSS 30 Abnormal release 30 Frame loss 31 5.8.6.1 I Frame loss (BSS to BSSTE) 31 5.8.6.2 RR Response frame loss (BSSTE to BSS) . 32 5.8.6.3 RR response frame loss (BSS to BSSTE) 32 Reception of REJ frames 33 5.8.7.1 Data li
10、nk layer not in the timer recovery state . 33 5.8.7.2 Data link layer in the timer recovery state, reception of a 5.8.1.2.1 5.8.1.2.2 SABMs with different information REJ response frame . 34 Previous page is blank ETSI GSM*:LL.23 94 3400855 0003854 T M paw 4 GSM 11.23 v.4.0.0: June 1994 5.8.7.3 Data
11、 link layer in the timer recovery state. reception of a REJ command frame 35 Frame transmission with incorrect C/R values 36 5.8.8.1 I frame with C bit set to one . 36 5.8.8.2 SABM frame with C bit set to one 37 5.8.9 Link failure . 38 5.8.10 Errors in the Control Feld 40 5.8.10.1 N(S) sequence erro
12、r 40 5.8.1 0.2 N(R) sequence error . 42 5.8.1 0.3 Improper F bit 5.8.1 1 Receipt of invalid frames 44 Short Message Services (SMS) (SAPI=3) . 48 5.8.8 5.9 5.9.1 5.9.2 5.9.3 5.9.4 5.9.5 5.9.6 5.9.7 5.9.8 5.9.9 5.9.1 O 5.9.1 1 5.9.12 MS-originated link establishment 48 BSS-originated link establishmen
13、t 48 5.9.2.1 Normal initialisation (no contention resolution) . 48 5.9.2.2 Initialisation failure (no contention resolution) 49 5.9.2.3 Initialisation denial (no contention resolution) . 50 5.9.2.4 Total initialisation failure (no contention resolution) 51 Normal information transfer 52 Normal layer
14、 2 release by MS . 52 Normal Layer 2 release by BSS . 53 Abnormal release . 53 Frame loss 54 Reception of REJ frames . 55 5.9.8.1 Data link layer not in the timer recovery state 55 5.9.8.2 Data link layer in the timer recovery state. reception of a REJ response frame . 56 5.9.8.3 Data link layer in
15、the timer recovery state. reception of a REJ command frame 57 Frame transmission with incorrect C/R values 58 5.9.9.1 I frame with C bit set to one . 58 5.9.9.2 SABM frame with C bit set to one 59 Link failure . 61 Errors in the Control Field 62 Receipt of invalid frames 62 5.1 O 5.1 1 Layer 3 funct
16、ions . 62 Short Message SeMce Cell Broadcast (SMSCB) 63 6 INTERNAL A-BIS-INTERFACING 63 6.1 LAYER 1 . 63 6.2 SIGNALLING TRANSPORT MECHANISM. LAYER 2 . 64 6.2.1 Base Station Controller 64 6.2.1.1 Successful TE1 allocation - fixed TE1 . 64 6.2.1.2 Denied TE1 allocation - fixed TE1 . 65 6.2.1.3 Success
17、ful TE1 allocation - additional TE1 66 6.2.1.4 Denied TE1 allocation - additional TE1 67 Base Transceiver Station . 69 6.2.2.1 Successful TE1 allocation - fixed TE1 . 69 6.2.2.2 Denied TE1 allocation - fixed TE1 . 70 6.2.2.3 Successful TE1 allocation - additional TE1 72 6.2.2.4 Denied TE1 allocation
18、 - additional TE1 73 6.3 LAYER 3 . 74 6.2.2 7 Interfacing with the mobile servicesswitching centre . 75 7.1 Physical interface layer 1 . 75 7.2 Signalling transport mechanism. layer 2 . 75 7.3 Layer 3 protocol . 75 8 Base station system network aspects . 75 8.1 Base station system network functions
19、75 ETSI GSMw11.23 94 3400855 0003855 925 Page 5 GSM 11 . 23 v.4.0.0: June 1994 8.1.1 General75 8.1.2 Testing of the DTAP . 17 Messages from MSC to MS TI Messages from MS to MSC TI 8.1.2.1 8.1.2.2 Testing of the BSSMAP and RR functions 78 8.1.3 8.1.3.1 8.1.3.2 8.1.3.3 8.1.3.4 8.1.3.5 8.1.3.6 8.1.3.7
20、8.1.3.8 8.1.3.9 System information 80 8.1.3.1.1 System information . Dedicated resource set up . 80 8.1.3.1.2 System information . no dedicated resource established . 81 SeMce requests in SABM frames 83 Service requests in SABM frames . Allowed messages 83 SeMce requests in SABM frames . Not allowed
21、 messages 83 Random awss by MS and immediate assignment 84 8.1.3.3.1 Normal Case . SDCCH . 84 8.1.3.3.2 Normal Case . TCH 86 8.1.3.3.3 T3101 expiry case 88 8.1.3.3.4 No radio resources available . 89 Paging . 90 Measurement reporting 91 Assignment 91 8.1.3.6.1 Assignment . Normal case 91 8.1.3.6.2 A
22、ssignment . T10 expiry . 93 8.1.3.6.3 Assignment . Terrestrial resources already allocated . 94 8.1.3.6.4 Assignment . Reverse to old channel 95 Extemal handover as seen from the old BSS 96 8.1.3.7.1 Normal case . 96 8.1.3.7.2 T8 expiry 98 8.1.3.7.3 Reverse to old channel . 99 External handover as s
23、een from the new BSS . 101 8.1.3.8.1 Non-synchronized network . 101 8.1.3.8.1.1 Non-synchronized network . Normal Case . 101 8.1.3.8.1.2 Non-synchronized network . No LAPDm connexion . 103 8.1.3.8.1.3 Non-synchronized network . Bad Handover Reference 104 8.1.3.8.1.4 Non-synchronized network . Wrong
24、physical channel 105 8.1.3.8.1.5 Non-synchronized network . No radio resources available 106 8.1.3.8.1.6 Non-synchronized network . Clear Command from the MSC . 107 8.1.3.8.1.7 Non-synchronized network . No terrestrial resource available 108 8.1.3.8.2 Synchronized network 109 Internal handover 110 8
25、.1.3.9.1 Intemal inter-cell handover . 110 8.1.3.9.1.1 Internal inter-cell handover . Normal case . 110 8.1.3.9.1.2 Intemal inter-cell handover . No MPDm connection 112 8.1.3.9.2 Intemal intra-cell handover . 113 8.1.3.9.2.1. Intra-cell handover by the assignment procedure . 113 8.1.3.9.2.1.1 Intra-
26、cell handover by the assignment procedure . Normal case 113 8.1.3.2.1 8.1.3.2.2 ETSI GSMJ11-23 Page 6 GSM 11.23 v.4.0.0 June 1994 8.1.3.10 8.1.3.1 1 8.1.3.1 2 8.1.3.13 8.1.3.14 8.1.3.15 8.1.3.16 8.1.3.17 8.1.3.18 8.1.3.1 9 8.1.3.20 8.1.3.21 8.1.3.22 8.1.3.23 8.1.3.24 94 = 3400855 000385b 8bL = 8.1.3
27、.9.2.1.2 Intra-cell handover by the assignment procedure . T10 expiry . 114 8.1.3.9.2.1.3 Intra-cell handover by the assignment procedure . Reverse to old channel . 115 8.1.3.9.2.2 Intra-cell handover by the handover procedure . 117 8.1.3.9.2.2.1 Intra-cell handover by the handover procedure . Norma
28、l case . 117 8.1.3.9.2.2.2 Intra-cell handover by the handover procedure . T8 expiry . 118 8.1.3.9.2.2.3 Intra-cell handover by the handover procedure . Reverse to old channel . 119 Frequency redefinition . 120 Transmission mode change 121 Ciphering mode setting . 122 8.1.3.12.1 Ciphering mode setti
29、ng. Cipher Mode 8.1.3.12.2 Ciphering mode setting. DTAP Additional assignment . 125 Partial release . 126 Classmark change 126 Channel release 127 8.1.3.16.1 Normal case 127 8.1.3.16.2 T3109 expiry 128 8.1.3.16.3 Radio resources out of service . 129 Radio link failure 130 Blocking 131 8.1.3.18.1 Nor
30、mal Case . 131 8.1.3.18.2 Blocking a terrestrial circuit already used on a call 132 8.1.3.18.3 No response to the Unblocking message 133 8.1.3.18.4 Unblocking. Normal case . 134 8.1.3.18.5 MSC Reset during Blocking procedure 136 Resource indication . 137 Reset 138 8.1.3.20.1 Global reset . 138 8.1.3
31、.20.1.1 Global reset at the BSS . 138 8.1.3.20.1.2 Global reset at the MSC 139 8.1.3.20.2 Reset circuit 140 8.1.3.20.2.1 Reset circuit at the BSS . 140 8.1.3.20.2.2 Reset circuit at the MSC 142 Handover candidate enquiry 143 8.1.3.21.1 Handover candidate enquiry for 3 MSs . . 143 8.1.3.21.2 Handover
32、 candidate enquiry for 1 MS.144 8.1.3.21.3 Repetition of the Handover candidate Trace invocation 146 8.1.3.22.1 8.1.3.22.2 Flow control 147 8.1.3.23.1 Overload in the MSC . 147 8.1.3.23.2 Overload in the BSS 148 Data link control for SAPI not equal to O 148 8.1.3.24.1. MSC-originated transaction 148
33、 8.1.3.24.1.1 Normal case 148 8.1.3.24.1.2 MS failure 149 Complete . 122 message . 124 enquiry message . 145 Trace invoked by the MSC . 146 Trace invoked by the BSS . 147 ETSI GSN*JI,. 23 34 3400855 0003857 T8 Page 7 GSM 11.23 v.4.0.0: June 1994 SAPI 3 transactions rejected in the OMC . . 150 8.1.3.
34、24.2. MS-originated transaction 151 8.1.3.24.3 MS-onginated transaction completion 152 8.1.3.24.4 MSC-onginated transaction completion . 153 8.1.3.25 Queuing indication . 154 8.1.3.25.1 Assignment case . 154 8.1.3.25.2 Handover case 155 Short Message Senrice Cell Broadcast (SMSCB) 157 8.1.3.24.1.3 8
35、.1.3.26 9 Base station controller network aspects 157 Base station controller network functions . 157 9.1.1 General . 157 9.1.2 Transparent messages 158 Non-transparent messages 158 9.1.3 9.1 9.1.3.1 9.1.3.2 . 9.1.3.3 9.1.3.4 9.1.3.5 9.1.3.6 9.1.3.7 9.1.3.8 9.1.3.9 9.1.3.10 9.1.3.1 1 9.1.3.12 9.1.3.
36、1 3 9.1.3.14 9.1.3.15 9.1.3.16 9.1.3.17 9.1.3.18 9.1.3.19 9.1.3.20 9.1.3.21 9.1.3.22 9.1.3.23 9.1.3.24 9.1.3.25 9.1.3.26 9.1.3.27 9.1.3.28 9.1.3.29 9.1.3.30 9.1.3.31 Link establishment indication . 159 Link establishment request 161 Link release indication . 162 Link release request 163 Transmission
37、 of transparent L3-message in acknowledged mode 164 Reception of transparent Bmessage in acknowledged made 164 Transmission of transparent &message in unacknowledged mode 165 Reception of transparent L3-message in unacknowledged mode 165 Link error indication . 166 Channel activation . 166 Channel m
38、ode modify 168 Handover detection . 170 Start of encryption . 171 Measurement reporting . 172 9.1.3.14.1 Basic measurement reporting 172 9.1.3.14.2 Preprocessed measurement reporting (optional) . 172 9.1.3.14.3 Preprocessing configuration (optional)l72 Deactivate SACCH 173 Radio channel release . 17
39、4 MS power control 175 Transmission power control (optional) . 176 Connection failure . 17 Physical context request (optional) 178 Channel request by MS . 179 Paging 179 Delete indication 180 CCCH load indication 180 Broadcast information modify 180 Immediate assignment 181 Short Message Service Cel
40、l Broadcast (SMSCB) 181 Radio resource indication 181 SACCH filling information modify . 183 Flow control . 184 Error reporting . 184 10 BASE TRANSCEIVER STATION NETWORK ASPECTS . 184 10.1 BASE TRANSCEIVER STATION NETWORK FUNCTIONS 184 10.1.1 General1 84 10.1.2 Transparent messages 185 ETSI GSM*LL*2
41、3 74 M 3400855 0003858 634 Page 8 GSM 11.23 v.4O.O: June 1994 10.1.3 Non-transparent messages 185 10.1.3.1 1 O . 1.3.2 10.1.3.3 10.1.3.4 10.1.3.5 1 O . 1.3.6 10.1.3.7 10.1.3.8 10.1.3.9 10.1.3.10 10.1.3.1 1 10.1.3.12 10.1.3.13 1 o . 1 o . . 3.14 . 3.15 1 O . 1.3.16 10.1.3.17 10.1.3.18 10.1.3.19 10.1.
42、3.20 10.1.3.21 10.1.3.22 10.1.3.23 10.1.3.24 10.1.3.25 10.1.3.26 10.1.3.27 10.1.3.28 10.1.3.29 10.1.3.30 10.1.3.31 Link establishment indication . 186 Link establishment request 188 Link release indication . 189 Link release request 190 Transmission of transparent L3-message in acknowledged mode . 1
43、91 Reception of transparent L3-message in acknowledged mode 192 Transmission of transparent L3-message in unacknowledged mode 192 Reception of transparent Bmessage in unacknowledged mode 193 Link error indication . 194 Channel activation . 194 Channel mode modify . 195 Handover detection . 196 10.1.
44、3.12.1 Non-synchronized case . 196 10.1.3.12.2 Synchronized case 197 Statt of encryption . 197 Measurement reporting . 198 10.1.3.14.1 Basic masurement reporting 198 10.1.3.14.2 Preprocessed masurement reporting (optional) . 200 10.1.3.14.3 Preprocessing configuration (optiona1)200 Deactivate SACCH
45、200 Radio channel release . 200 MS power control 201 Transmission power control (optional) . 202 Connection failure . 203 Physical context request (optional) 203 Channel request by MS . 204 Paging 205 Delete indication 206 CCCH load indication 206 Broadcast information modify 207 Immediate assignmen
46、t 208 Short Message Service Cell Broadcast (SMSCB) 209 Radio resource indication 210 SACCH filling information modify . 211 Flow control 212 Error reporting . 212 History . 214 ETSI GSM*LL.23 94 W 3400855 0003859 570 Page 9 GSM 11.23 v.4.0.0 June 1994 Foreword ETSI GSM*ll=23 94 = 3400855 O003860 292
47、 Page 11 GSM 11.23 v.4.0.0: June 1994 Chapter 5 6 7 a 9 1 scope Recommendations GSM 04.06 GSM 08.56, GSM 08.58 CCIll Recommendations GSM 04.06, GSM 04.08, GSM 08.08 GSM 04.08, GSM 08.08, GSM 08.58 This document contains the signalling aspects of the Base Station System for GSM. The set of signalling
48、 tests cover major areas of functionality on the air, a-bis and A interfaces, but is not desigend to be a complete set of all the possible scenarios. 10 The tests were designed from the set of core recommendations that exist for the GSM network and any changes that occur these recommendations will b
49、e reflected in the test set documented within. GSM 04.08, GSM 08.08, GSM 08.58 2 Normative references To be completed 3 Definitions, symbols and abbreviations To be completed 4 Guide to Document The document is divided into six seperate signalling chapters, a description of each follows. 4.1 Layer 2 signalling Clause 5 contains the test set for LAPDm on the air interface. Clause 6 contains the test set for Internal a-bis interfacing. This interface is optional for GSM PLMN operators. Clause 7 contains the specification for the A-interface. This chapter only contains a refere
