3GPP TR 23.795 V1V2.0.0 (2018-0609)Technical Report3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Study on application layer support for V2X services; (Release 16)The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented.This Report is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification.Specifications and Reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners Publications Offices.3GPP TR 23.795 V2.0.0 (2018-09)78Release 16Keywords3GPPPostal address3GPP support office address650 Route des Lucioles - Sophia AntipolisValbonne - FRANCETel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16Internethttp:/www.3gpp.orgCopyright NotificationNo part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media. 2018, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).All rights reserved.UMTS is a Trade Mark of ETSI registered for the benefit of its members3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational PartnersLTE is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational PartnersGSM and the GSM logo are registered and owned by the GSM AssociationContentsForeword8Introduction71Scope92References93Definitions, symbols and abbreviations113.1Definitions113.2Symbols103.3Abbreviations114Analysis of V2X standards124.13GPP V2X service requirements124.1.1Description124.1.2Analysis134.23GPP EPS architecture for V2X communications154.2.1Description154.2.2Analysis154.3ETSI ITS communication architecture and requirements154.3.1Description154.3.2Analysis164.4SAE and related standards communication architecture and requirements164.4.1Description164.4.2Analysis165Key issues175.1Key issue 1 - Communication of V2X application QoS requirements with 3GPP systems175.1.1General175.1.2Key issue 1a - Communication of V2X application network QoS requirements with 3GPP systems175.1.3Key issue 1b - Communication of V2X application PC5 QoS requirements with 3GPP systems185.2Key issue 2 - Monitoring network situation of 3GPP systems by V2X application185.3Key issue 3 - V2X USD provisioning via V1 reference point185.4Key issue 4 - Local service information195.5Key issue 5 - Service continuity during MBMS based V2X traffic205.6Key issue 6 - Handling MBMS bearer suspension215.7Key Issue 7 - V2X UE capabilities reporting215.8Key issue 8 - PC5 parameters provisioning over V1225.9Key issue 9 V2X group communication225.10Key issue 10 UE location report over V1225.11Key issue 11 - Support for uplink video streaming235.12Key issue 12 - Handling multiple V2X application priorities at the V2X UE235.13Key issue 13 - Communicating application requirements from the V2X application server235.14Key issue 14 - Network assistance for enhancing QoE in V2X applications245.15Key issue 15 - V2X USD provisioning using existing MBMS service announcement mechanisms245.16Key issue 16 - Supporting larger files or V2X messages245.17Key issue 17 - Determining UE location for a geographical area255.18Key issue 18 - Resolving UE address for ETSI ITS facility layer messages255.19Key issue 19 - Resolving security issues for ETSI ITS distribution255.20Key issue 20 V2X dynamic groups255.21Key issue 21 V2X application support for network slicing265.22Key issue 22 Support for operation modes selection for V2V communications265.23Key issue 23 Support for service continuity between Uu and UE-to-network relay for V2X communications266Assumptions and architectural requirements276.1Assumptions276.2Architectural requirements276.2.1General276.2.1.1Description276.2.1.2Requirements276.2.2Location276.2.2.1Description276.2.2.2Requirements276.3Network situation monitoring requirements276.3.1Description276.3.2Requirements276.43GPP system related parameters provisioning286.4.1Description286.4.2Requirements286.5PC5 based V2X group communication286.5.1Description286.5.2Requirements287Solutions287.1Solution #1: V2X application layer functional model287.1.1Solution description287.1.1.1General287.1.1.2V2X application layer functional model287.1.1.3Functional entities description297.1.1.3.1General297