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TS 23.271 (SA2)
LCS – Location Services – Stage 2

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(P) V14.2.0    2017/06    187 p.
(P) V13.0.0    2015/09    174 p.
(P) V12.1.0    2014/06    171 p.
(P) V11.3.0    2014/06    171 p.
(P) V10.4.0    2013/03    171 p.
(P) V9.8.0    2013/03    170 p.
(P) V8.1.0    2009/12    146 p.
(P) V7.10.0    2009/12    147 p.
(P) V6.13.0    2005/10    123 p.
(P) V5.13.0    2005/01    82 p.
(P) V4.13.0    2005/01    75 p.
(P) GSM Rel-99 v8.9.0    2004/06    112 p.
(P) GSM Rel-98 v7.11.0    2004/06    111 p.


Rapporteur:  Mr. Wong, Gavin
Antecedent:  TS 23.171     TR 23.871    
See also:  LCS-related TS/TR    


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.


 

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1   Scope [R4]   PDF-p. 10
2   References [R4]
3   Definitions, symbols and abbreviations [R4]   PDF-p. 12
4   Main concepts [R4]   PDF-p. 20
5   General LCS architecture [R4]   PDF-p. 24
5.1   LCS access interfaces
5.2   LCS Functional diagram, high level functions   PDF-p. 25      Up
5.3   LCS Client functional group   PDF-p. 26
5.4   LCS Server functional group
5.5   Information Flows between Client and Server   PDF-p. 29
5.6   Information Flows between LCS Servers [R6]   PDF-p. 31
5.7   Optimized Lgd Procedure [R12]   PDF-p. 34

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