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TR 23.871
Enhanced support for User Privacy in Location Services (LCS)

3GPP‑Page   ToC  
V5.0.0 (Wzip)  2002/07  27 p.
Rapporteur:
Mr. Kåll, Jan
Nokia Networks Oy

full Table of Contents for  TR 23.871  Word version:  5.0.0

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0  IntroductionWord‑p. 5

There is a need to enhance the privacy mechanisms provided for Location Services to support the increasing number of LCS clients and the varying privacy requirements for location services. It should also be possible for the subscriber to set or change the location related privacy parameters in the home network. There are some limitations in support for user privacy in the current LCS specifications in 3GPP and there is a need to enhance the privacy mechanisms e.g. for roaming subscribers.

1  ScopeWord‑p. 6

This Technical Report for Rel-5 identifies and describes enhanced user privacy in location services (LCS) and the corresponding functional requirements. The TR describes some possible enhancements to the privacy mechanisms provided for Location Services to support the increasing number of LCS clients and the varying privacy requirements for location services. The TR describes the stage-2 type of functional requirements for enhancing user privacy in location services that may be moved to the LCS Stage 2 specification TS 23.271, as seen feasible by TSG SA2.
The basic network solution as standardized in TS 23.271 Release 5 is described in general terms in the TR, with an indication of what enhanced privacy features are supported in Rel-5. The further enhanced LCS privacy features in Rel-6 and some alternative network solutions to support user privacy in Release 6 are also described and compared.
It should be noted that the GMLC-GMLC interface (Rel-6) is not taken into account in most network alternatives described in this report.
This TR defines the enhanced support of user privacy in location services regarding:
  • General description of enhanced user privacy in location services
  • Definition of enhanced user privacy in location services capabilities
  • Functional requirements
  • Security aspects
  • Roaming, service availability and continuity
  • Relation between privacy issues in Presence and Location services.
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2  ReferencesWord‑p. 6

3  Definitions, symbols and abbreviationsWord‑p. 6

3.1  DefinitionsWord‑p. 6

3.2  AbbreviationsWord‑p. 7

4  General descriptionWord‑p. 7

5  Functional Description and Functional RequirementsWord‑p. 7

6  Network support for user privacy in Rel-5Word‑p. 11

7  Network support for enhanced privacy checking in Release 6Word‑p. 11

8  Possible requestor enhancements in Rel-6Word‑p. 23

9  Stage 2 description of the anonymity conceptWord‑p. 25

10  Charging AspectsWord‑p. 25

11  Security aspectsWord‑p. 25

12  Roaming, Service Availability and ContinuityWord‑p. 25

13  ConclusionWord‑p. 26

$  Change historyWord‑p. 27


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