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TS 49.031 (RAN6)
Location Services (LCS) –
Base Station System Application Part LCS Extension (BSSAP-LE)

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V14.3.0 (PDF)  2017/12  69 p.
V13.0.0  2016/01  54 p.
V12.0.0  2014/09  54 p.
V11.0.0  2012/09  54 p.
V10.0.0  2011/03  54 p.
V9.0.0  2009/12  54 p.
V8.1.0  2008/12  54 p.
V7.6.0  2008/03  53 p.
V6.5.0  2005/07  45 p.
V5.4.0  2004/05  43 p.
V4.4.0  2004/05  40 p.

Rapporteur:  Mr. Andersen, Niels Peter Skov
Antecedent:  TS 09.31
See also:  GERAN-LCS-related TS/TR

This TS specifies procedures and information coding that are needed to define and support the BSSAP LCS Extension (BSSAP-LE). The BSSAP-LE message set is applicable to the following GSM interfaces defined in TS 43.059:
  • Lb interface (BSC-SMLC)
  • Lp interface (SMLC-SMLC)
This TS defines message formats and encoding for BSSAP-LE and the particular subsets of it that are applicable to each of the above interfaces. This TS also defines the support for BSSAP-LE message transfer on each of these interfaces using either ITU-T and ANSI versions of SS7 MTP or IETF M3UA/SCTP and SCCP. Additional requirements for the above interfaces that are applicable to BSSAP-LE are also defined - e.g. usage of BSSAP (as defined in TS 24.008 and TS 48.008) on the Lb interface.


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1  Scope [R4]PDF-p. 8
2  References [R4]
3  Definitions, abbreviations and symbols [R4]PDF-p. 9
4  Definition of BSSAP-LE [R4]
5  Procedures applicable to use of BSSAP-LE [R4]
6  Usage of BSSAP-LE and BSSAP on the Lb Interface [R4]
8  Use of BSSAP-LE on the Lp Interface [R4]

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