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Content for  TR 23.890  Word version:  12.0.0

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1  Scopep. 5

This technical report describes key issues and solutions for optimized offloading of traffic to WLAN access when PS mobility between 3GPP RAT takes place. The technical report analyzes the user and service impact due to mobility between 3GPP RATs. The technical report analyzes the key issues and solutions in order to identify whether current mechanisms documented in SA2 specifications are sufficient, identify potential inefficiencies, and identify whether additional solutions are needed to address the key issues.
The technical report also describes proposed extensions to ANDSF in order to enable policy differentiation for 3GPP RATs (e.g. E-UTRAN versus UTRAN, GERAN versus UTRAN) with respect to WLAN, in order to enable a UE to distinguish preferences of WLAN with respect to specific 3GPP RATs upon acquiring connectivity (e.g. PDN creation in a 3GPP RAT or WLAN, or establishing NSWO connectivity) or upon mobility.
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2  Referencesp. 5

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.402: "Architecture enhancements for non-3GPP accesses".
[3]
TS 24.312: "Access Network Discovery and Selection Function (ANDSF) Management Object (MO)".
[4]
TS 22.368: "Service requirements for Machine-Type Communications (MTC); Stage 1".
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3  Definitions and abbreviationsp. 5

3.1  Definitionsp. 5

For the purposes of the present document, the terms and definitions given in TR 21.905 and TS 22.368 apply.

3.2  Abbreviationsp. 5

For the purposes of the present document, the abbreviations given in TR 21.905 apply.

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