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TR 23.785 (SA2)
Study on Architecture enhancements
for LTE support of V2X Services

3GPP‑Page   full‑ToC    
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V14.0.0 (Wzip)  2016/09  52 p.

Rapporteur:  Dr. Kim, Laeyoung
See also:

The objective of this Technical Report is to identify and evaluate potential architecture enhancements needed to operate LTE-based V2X (V2V, V2I, V2N, and V2P), based on vehicular services requirements defined in SA WG1 V2XLTE (TS 22.185 and TS 22.278) and determine which of the solutions can proceed to normative specifications.

full Table of Contents for  TR 23.785  Word version:   14.0.0


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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviationsWord-p. 8
4  Architectural Assumptions and Requirements
5  Key IssuesUp
6  SolutionsWord-p. 16
6.1  Solution #1: V2X authorization
6.2  Solution #2: V2X message transmission/reception for V2V/P Services using PC5
6.3  Solution #3: V2X message transmission/reception for V2V/P Services via LTE-Uu
6.4  Solution #4: V2X broadcast with Local MBMS Entity (LME)
6.5  Solution #5: RSU based on V2V/V2P Message Offload function in eNB or on S1
6.6  Solution #6: QoS handling for PC5 based message
6.7  Solution #7: New QCI values for LTE-Uu based V2X message transmission/reception
6.8  Solution #8: V2X message transmission/reception for V2I ServiceUp
6.9  Solution #9: MBMS service area mapping using MB2-C proceduresWord-p. 35
6.10  Solution #10: BM-SC based solution for MBMS service area mappingWord-p. 36
6.11  Solution #11: Local V2X server discovery using Anycast
6.12  Solution #12: V2X Server Discovery using broadcast mechanism
6.13  Solution #13: Privacy protection of UE in V2X communications
6.14  Solution #14: Path selection for Uplink V2V message transmissionWord-p. 43
6.15  Solution #15: Latency improvements for eMBMS with L.MBMS based on implementationUp
7  Conclusions
A  Enhancements to ProSe architectures for PC5 based V2XWord-p. 46
B  Road Side Unit (RSU) considerationsWord-p. 47
C  Example hybrid deployment options using LTE-Uu based architecture and PC5 based architectureWord-p. 49
D  Localized MBMS deployment optionsWord-p. 50
E  Change historyWord-p. 52

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