TS 23.271
SA2
★
LCS – Location Services
use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
V15.2.0 (PDF)
2019/12 190 p.
V14.4.0
2018/03 187 p.
V13.1.0
2017/12 175 p.
V12.1.0
2014/06 171 p.
V11.3.0
2014/06 171 p.
V10.4.0
2013/03 171 p.
V9.8.0
2013/03 170 p.
V8.1.0
2009/12 146 p.
V7.10.0
2009/12 147 p.
V6.13.0
2005/10 123 p.
V5.13.0
2005/01 82 p.
V4.13.0
2005/01 75 p.
Rapporteur: Mr. Wong, Gavin VODAFONE Group Plc
This TS specifies the stage 2 of the LoCation Services (LCS) feature in UMTS, GSM and EPS (for E-UTRAN), which provides the mechanisms to support mobile location services for operators, subscribers and third party service providers.
short Table of Contents for TS 23.271 Word version: 15.2.0
each title links to the equivalent title in the full ToC
1 Scope Word-p. 10
2 References Word-p. 10
3 Definitions, symbols and abbreviations Word-p. 12
4 Main concepts Word-p. 20
5 General LCS architecture Word-p. 24
6 LCS Architecture 
Word-p. 34
7 Signalling and Interfaces Word-p. 46
8 General network location procedures Word-p. 51
9 General Network Positioning Procedures Word-p. 56
9.1 Mobile Terminating Location Request Word-p. 57
9.2 Mobile Originating Location Request Word-p. 122
9.3 LCS signalling procedures specified in UTRAN and GERAN Stage 2 Word-p. 134
9.3a LCS signalling procedures applicable to E-UTRAN [R9] Word-p. 134
9.4 Exception Procedures Word-p. 140
9.5 Privacy Word-p. 151
9.6 Mobile Originating Location Word-p. 157
9.7 CM Procedures Word-p. 157
9.8 Interworking with the IMS [R6] Word-p. 157
10 Information storage Word-p. 160
11 Operational Aspects Word-p. 169
A (Normative) Privacy Class selection rule in serving node Word-p. 171
B (Normative) Presence of LCS client ID Components in MT-LR Word-p. 174
C Pseudo external ID [R5] Word-p. 175
D (Normative) including Requestor identity to LCS client name [R6] Word-p. 179
E Handling of pseudonyms in location services [R6] Word-p. 180
F Mechanism for performing Change of Area Event Detection [R6] Word-p. 183
G (Normative) Defined Service Types and numbering [R10] Word-p. 185
H Change history Word-p. 186
Word-p. 34
7 Signalling and Interfaces Word-p. 46
8 General network location procedures Word-p. 51
9 General Network Positioning Procedures Word-p. 56
9.1 Mobile Terminating Location Request Word-p. 57
9.2 Mobile Originating Location Request Word-p. 122
9.3 LCS signalling procedures specified in UTRAN and GERAN Stage 2 Word-p. 134
9.3a LCS signalling procedures applicable to E-UTRAN [R9] Word-p. 134
9.4 Exception Procedures Word-p. 140
9.5 Privacy Word-p. 151
9.6 Mobile Originating Location Word-p. 157
9.7 CM Procedures Word-p. 157
9.8 Interworking with the IMS [R6] Word-p. 157
10 Information storage Word-p. 160
11 Operational Aspects Word-p. 169
A (Normative) Privacy Class selection rule in serving node Word-p. 171
B (Normative) Presence of LCS client ID Components in MT-LR Word-p. 174
C Pseudo external ID [R5] Word-p. 175
D (Normative) including Requestor identity to LCS client name [R6] Word-p. 179
E Handling of pseudonyms in location services [R6] Word-p. 180
F Mechanism for performing Change of Area Event Detection [R6] Word-p. 183
G (Normative) Defined Service Types and numbering [R10] Word-p. 185
H Change history Word-p. 186
