ETSI TS 149 031 V14.4.0 (2020-04)

Digital cellular telecommunications system (Phase 2+) (GSM); Location Services (LCS); Base Station System Application Part LCS Extension (BSSAP-LE) (3GPP TS 49.031 version 14.4.0 Release 14)

RTS/TSGR-0649031ve40

General Information

• Status: Published
• Publication Date: 02-Apr-2020
• Technical Committee: 3GPP RAN 6 - Legacy RAN radio and protocol
• Current Stage: 12 - Completion
• Completion Date: 03-Apr-2020

Standards Content (Sample)

ETSI TS 149 031 V14.4.0 (2020-04)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Location Services (LCS);
Base Station System Application
Part LCS Extension (BSSAP-LE)
(3GPP TS 49.031 version 14.4.0 Release 14)

R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS

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3GPP TS 49.031 version 14.4.0 Release 14 1 ETSI TS 149 031 V14.4.0 (2020-04)



Reference
RTS/TSGR-0649031ve40
Keywords
GSM
ETSI
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3GPP TS 49.031 version 14.4.0 Release 14 2 ETSI TS 149 031 V14.4.0 (2020-04)
Intellectual Property Rights
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ETSI

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3GPP TS 49.031 version 14.4.0 Release 14 3 ETSI TS 149 031 V14.4.0 (2020-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope . 8
2 References . 8
3 Definitions, abbreviations and symbols . 9
4 Definition of BSSAP-LE . 9
4.1 DTAP-LE Messages . 9
4.2 BSSMAP-LE Messages . 10
5 Procedures applicable to use of BSSAP-LE . 10
5.1 Location Request . 10
5.1.1 Successful Operation . 11
5.1.2 Unsuccessful Operation . 12
5.1.3 Abnormal Conditions . 12
5.1.4 Overload . 12
5.2 Connection Oriented Information Transfer . 13
5.2.1 Successful Operation . 13
5.2.2 Abnormal Conditions . 13
5.2.3 Segmentation . 13
5.3 Connectionless Information Transfer . 14
5.3.1 Successful Operation . 14
5.3.2 Unsuccessful Operation . 14
5.3.3 Abnormal Conditions . 15
5.3.4 Segmentation . 15
5.4 LMU Connection Establishment . 15
5.4.1 LMU Connection Establishment initiated by the SMLC . 15
5.4.1.1 Successful Operation . 15
5.4.1.2 Unsuccessful Operation . 16
5.4.1.3 Abnormal Conditions . 16
5.4.2 LMU Connection Establishment initiated by the MSC . 16
5.4.2.1 Successful Operation . 16
5.4.2.2 Unsuccessful Operation . 16
5.4.2.3 Abnormal Conditions . 16
5.5 (void) . 17
5.6 DTAP-LE Information Transfer . 17
5.6.1 DTAP-LE Information Transfer Initiated by the SMLC . 17
5.6.2 DTAP-LE Information Transfer Initiated by the BSC . 17
5.7 Reset . 17
5.7.1 Normal Operation . 17
5.7.2 Abnormal Conditions . 17
5.8 Perform Location Information . 18
6 Usage of BSSAP-LE and BSSAP on the Lb Interface . 18
6.1 Applicable Message Sets . 18
6.2 MTP Functions . 19
6.3 SCCP Functions . 19
6.3.1 General . 19
6.3.2 Modifications for Connectionless SCCP . 20
6.3.3 Modifications for Connection Oriented SCCP . 20
6.3.4 Contents of the SCCP Data Field . 20
6.3.5 Abnormal Conditions . 21
7 (void) . 21
ETSI

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3GPP TS 49.031 version 14.4.0 Release 14 4 ETSI TS 149 031 V14.4.0 (2020-04)
8 Use of BSSAP-LE on the Lp Interface. 21
8.1 Applicable Message Sets . 21
8.2 MTP Functions . 21
8.3 SCCP functions . 22
8.3.1 General . 22
8.3.2 Allowed Exceptions to ITU-T Recommendations Q.711-714 . 22
8.3.3 Allowed Exceptions to ANSI T1.112 . 22
8.3.4 Usage of Connectionless SCCP . 22
8.3.5 Usage of Connection Oriented SCCP . 23
8.3.6 Contents of the SCCP Data Field . 23
9 Message Functional Definitions and Contents . 23
9.1 BSSMAP-LE PERFORM LOCATION REQUEST message . 24
9.1.1 Location Type . 24
9.1.2 Cell Identifier . 24
9.1.3 Classmark Information Type 3 . 24
9.1.4 LCS Client Type . 25
9.1.5 Chosen Channel . 25
9.1.6 LCS Priority . 25
9.1.6a LCS QoS . 25
9.1.7 Requested GPS Assistance Data . 25
9.1.8 BSSLAP APDU . 25
9.1.9 LCS Capability . 25
9.1.10 Packet Measurement Report . 25
9.1.11 Measured Cell Identity List . 25
9.1.12 IMSI . 25
9.1.13 IMEI. 25
9.1.14 GANSS Location Type . 25
9.1.15 Requested GANSS Assistance Data . 26
9.1.16 BSS Multilateration Capability . 26
9.1.17 Multilateration Timing Advance . 26
9.1.18 MS Sync Accuracy . 26
9.1.19 BTS Reception Accuracy Level . 26
9.1.20 Coverage Class . 26
9.2 BSSMAP-LE PERFORM LOCATION RESPONSE message . 26
9.2.1 Location Estimate . 26
9.2.2 Positioning Data . 26
9.2.3 Deciphering Keys . 27
9.2.4 LCS Cause . 27
9.2.5 Velocity Data . 27
9.2.6 GANSS Positioning Data . 27
9.3 BSSMAP-LE PERFORM LOCATION ABORT message . 27
9.3.1 LCS Cause . 27
9.4 (void) . 28
9.5 (void) . 28
9.6 (void) . 28
9.7 (void) . 28
9.8 BSSMAP-LE CONNECTION ORIENTED INFORMATION message . 28
9.8.1 BSSLAP APDU . 28
9.8.2 Segmentation . 28
9.8.3 Multilateration Positioning Method . 29
9.8.4 Cell Identifier . 29
9.8.5 Multilateration Timing Advance . 29
9.8.6 MS Sync Accuracy . 29
9.8.7 BTS Reception Accuracy Level . 29
9.8.8 Short ID . 29
9.8.9 Random ID. 29
9.9 BSSMAP-LE CONNECTIONLESS INFORMATION message . 29
9.9.1 Source Identity . 30
9.9.2 Destination Identity. 30
9.9.3 APDU . 30
9.9.4 Segmentation . 30
ETSI

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3GPP TS 49.031 version 14.4.0 Release 14 5 ETSI TS 149 031 V14.4.0 (2020-04)
9.9.5 Return Error Request . 30
9.9.6 Return Error Cause . 30
9.10 BSSMAP-LE RESET message . 30
9.11 BSSMAP-LE RESET ACKNOWLEDGE message . 31
9.12 BSSMAP-LE PERFORM LOCATION INFORMATION message . 31
9.12.1 Cell Identifier . 31
9.12.2 BSSLAP APDU . 31
9.13 BSSMAP-LE ASSISTANCE INFORMATION REQUEST message . 31
9.13.1 Serving Cell Identifier . 32
9.13.2 Cell Identity List . 32
9.13.3 Short ID Set . 32
9.13.4 Random ID Set . 32
9.14 BSSMAP-LE ASSISTANCE INFORMATION RESPONSE message . 32
9.14.1 Cell Information List . 32
9.14.2 Short BSS ID . 32
10 Message format and information element coding . 33
10.1 Message type . 33
10.2 Information Element Identifiers . 34
10.3 APDU . 34
10.4 Cause . 35
10.5 Cell Identifier . 35
10.6 Chosen Cha nne l . 35
10.7 Classmark Information Type 3 . 36
10.8 Deciphering Keys . 36
10.9 Geographic Location . 36
10.10 Requested GPS Assistance Data . 37
10.11 IMSI . 39
10.12 (void) . 39
10.13 LCS Cause . 39
10.14 LCS Client Type . 40
10.15 LCS Priority . 41
10.16 LCS QoS . 41
10.17 (void) . 42
10.18 Location Type . 42
10.19 Network Element Identity . 43
10.20 Positioning Data . 44
10.21 Return Error Request . 45
10.22 Return Error Cause . 45
10.23 (void) . 46
10.24 Segmentation . 46
10.25 (void) . 47
10.26 LCS Capability .
...