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About This Item
Full Description
The LCS architecture is described in 03.71. The following aspects of it are relevant to the issue:
- each SMLC controls a number of LMUs, and a given LMU is under the direct control of a single SMLC;
- there is a direct communication path, independent of SMLCPP, between a LMU and the SMLC that controls it;
- deciphering keys are controlled by one SMLC in the location area and sent to other SMLCs in the same location area.
The main functions of SMLCPP are described in [5]. The key aspects are:
a) allowing an SMLC to ask for and obtain measurements on specific MSs performed by LMUs not under its direct control (e.g., for TOA);
b) allowing an SMLC to ask for and obtain information about Radio Interface Timing (RIT), as known from measurements done by LMUs not under its direct control;
c) allowing an SMLC, that controls deciphering keys in the location area, to sent them to other SMLCs in the same location area.
Document History
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ETSI TS 101 529
viewing
Digital cellular telecommunications system (Phase 2+); Location Services LCS: Serving Mobile Location Centre - Serving Mobile Location Centre (SMLC - SMLC); SMLCPP specification (3GPP TS 08.31 version 8.1.1 Release 1999)- Most Recent
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ETSI TS 101 529
Digital cellular telecommunications system (Phase 2+); Location Services (LCS); Serving Mobile Location Centre - Serving Mobile Location Centre (SMLC - SMLC); SMLCPP specification (3GPP TS 08.31 version 8.1.0 Release 1999)- Historical Version
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ETSI TS 101 529
Digital cellular telecommunications system (Phase 2+) (GSM); Location Services (LCS); Serving Mobile Location Centre - Serving Mobile Location Centre (SMLC - SMLC); SMLCPP specification (GSM 08.31 version 8.0.0 Release 1999)- Historical Version
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ETSI TS 101 529
Digital cellular telecommunications system (Phase 2+) (GSM); Location Services (LCS); Serving Mobile Location Centre - Serving Mobile Location Centre (SMLC - SMLC); SMLCPP specification (GSM 08.31 version 7.0.1 Release 1998)- Historical Version