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TS 29.171 (CT4)
Location Services Application Protocol (LCS-AP) between MME and Evolved Serving Mobile Location Centre (E-SMLC) – SLs interface

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(P) V14.1.0    2017/06    58 p.
(P) V13.3.0    2017/06    57 p.
(P) V12.3.0    2017/06    54 p.
(P) V11.4.0    2015/12    53 p.
(P) V10.5.0    2015/12    53 p.
(P) V9.4.0    2011/06    53 p.

Rapporteur:  Mr. Tran, Khiem
See also:  –

This TS specifies the procedures and information coding for LCS Application Protocol (LCS-AP) that is needed to support the location services in E-UTRAN. The LCS-AP message set is applicable to the SLs interface between the E-SMLC and the MME.

LCS-AP is developed in accordance to the general principles stated in TS 23.271.


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1   Scope [R9]   PDF-p. 6
2   References [R9]
3   Definitions and abbreviations [R9]   PDF-p. 7
4   Functional Overview [R9]
5   LCS-AP Message Transport [R9]   PDF-p. 8
6   LCS-AP Procedures [R9]
7   LCS-AP Messages and Message Formats [R9]   PDF-p. 16      Up
7.1   General
7.2   Message Formats
7.3   LCS-AP Messages
7.4   Information Elements
7.5   Message and information element abstract syntax
7.6   Handling of unknown, unforeseen and erroneous protocol data
8   LCS-AP Timers [R9]   PDF-p. 55
A   Change history   PDF-p. 56

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