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TS 23.303 (SA2)
Proximity-based Services (ProSe) – Stage 2

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(W-zip) V15.0.0    2017/06    130 p.
(P) V14.1.0    2016/12    128 p.
(P) V13.6.0    2016/12    127 p.
(P) V12.8.0    2016/03    60 p.


Rapporteur:  Mr. Zisimopoulos, Haris
See also:  ProSe-related TS/TR    


The present document specifies the Stage 2 of the Proximity Services (ProSe) features in EPS, which consist of:
  • ProSe discovery (direct or EPC-level)
    It identifies that ProSe-enabled UEs are in proximity, using E-UTRAN (with or without E-UTRAN) or EPC.
  • ProSe Direct Communication (using E-UTRAN or WLAN direct)
    It enables establishment of communication paths between two or more ProSe-enabled UEs that are in direct communication range. The ProSe Direct Communication path could use E-UTRAN or WLAN.


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1   Scope [R12]   PDF-p. 8
2   References [R12]
3   Definitions and abbreviations [R12]   PDF-p. 10
4   Architecture Model and Concepts [R12]
4.1   General Concept
4.2   Architectural Reference Model   PDF-p. 13
4.3   Reference points   PDF-p. 15
4.4   Functional Entities   PDF-p. 16      Up
4.5   High Level Function      Up
4.6   Identifiers      Up
5   Functional Description and Information Flow [R12]   PDF-p. 36

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