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TR 26.985 V0.8.6 (2019-01) Vehicle-to-everything (V2X) Media handling and interaction

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TR 26.985 V0.8.6 (2019-01) Vehicle-to-everything (V2X) Media handling and interaction

3GPP TR 26.985 V0.8.6 (2019-01)Technical Report3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Vehicle-to-everything (V2X);Media handling and interaction(Release 15) 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 26.985 V0.8.6 (2019-01)20Release 15KeywordsV2X, V2N, V2I, V2V, VaD, RSU, MTSI, MBMS, FLUS, PC5, ADAS3GPPPostal 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.org Copyright NotificationNo part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media.© 2017, 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 AssociationContentsForeword5Introduction51Scope62References63Definitions, symbols and abbreviations73.1Definitions73.2Symbols83.3Abbreviations84V2X overview85Media use cases in V2X86System architecture96.1General96.2System96.3Terminal106.4Procedures117Protocols167.1General167.2Uplink167.3Downlink167.4Direct link168Media consideration168.1General168.2Video169Sensor sharing of object information179.1On-going work179.2Example objects189.3Considerations19Annex <A>: <Annex title>20A.1Heading levels in an annex20Annex <X>: Change history21ForewordThis Technical Report has been produced by the 3rd Generation Partnership Project (3GPP).The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows:Version x.y.zwhere:xthe first digit:1presented to TSG for information;2presented to TSG for approval;3or greater indicates TSG approved document under change control.ythe second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc.zthe third digit is incremented when editorial only changes have been incorporated in the document.IntroductionWith connected car often considered as one of key applications of 5G, 3GPP has been working on the features and required technologies of vehicle-to-everything (V2X), in which coordinated efforts are made by vehicles and networks to realize advanced driver assistance systems (ADAS) or self-driving vehicles. The initial works on V2X focused on the exchange or delivery of short control messages to avoid collision, and did not consider the functionalities required for advanced connected cars. However, the use cases for advanced driving of eV2X, specified in TR 22.886, include various scenarios including media, such as video and sensor data.Although more advanced transmission capabilities are required, media can overcome the limitations of coded messages that might not be able to describe arbitrary situations on the road, and can be a more intuitive source of information for the decision of driver or artificial intelligence, e.g., by providing visual information that cannot be provided by the on-board cameras or sensors of vehicles with limited coverage or accuracy. Strong tolerance to the variance of weather is another advantage of media-based V2X that can exploit the point-to-point transmission or multicasting/broadcasting capability of 3GPP radio access.1ScopeIn the present document, media-related use cases of V2X described in TR 22.886 and their requirements in TS 22.186 are analysed in detail, to clarify the operation of advanced driving using networked visual information. The required procedures for media capture, compression, and transmission, based on the mechanisms for media handling and transportation, such as MTSI, MBMS, and FLUS, are investigated. Operation over the PC5

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