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TR 36.788RAN4
V2X Phase 2 –
User Equipment (UE) Radio Transmission and Reception

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for a better overview, the Table of Contents (ToC) is reproduced
V15.0.0 (Wzip)  2018/06  23 p.

Rapporteur:  Dr. Liu, Ye

The purpose of the present document is to study the radio requirements on V2X phase 2 based on LTE sidelink as part of the Rel-15 work item. The normative requirements resulting from the present document will be addressed in the applicable release 15 Technical Specifications (TS).
To expand the LTE platform to the automotive industry, the initial standard on support of V2V services was completed in Sep 2016. Further enhancements that focusing on additional V2X operation scenarios leveraging the cellular infrastructure, also for inclusion in Release 14, was completed in March 2017.
Currently, SA1 is working on enhancement of 3GPP support for V2X services in FS_eV2X. SA1 had identified 25 use cases for advanced V2X services and they are categorized into four use case groups: vehicles platooning, extended sensors, advanced driving and remote driving. The detailed description of each use case group is provided as below. The consolidated requirements for each use case group are captured in TR 22.886. Based on the input from FS_eV2X as well as potential inputs from RAN, SA1 will generate a set of normative requirements for Release 15.
  1. Vehicles Platoonning enables the vehicles to dynamically form a platoon travelling together. All the vehicles in the platoon obtain information from the leading vehicle to manage this platoon. These information allow the vehicles to drive closer than normal in a coordinated manner, going to the same direction and travelling together.
  2. Extended Sensors enables the exchange of raw or processed data gathered through local sensors or live video images among vehicles, road site units, devices of pedestrian and V2X application servers. The vehicles can increase the perception of their environemnt beyond of what their own sensors can detect and have a more broad and holistic view of the local situation. High data rate is one of the key characteristics.
  3. Advanced Driving enables semi-automated or full-automated driving. Each vehicle and/or RSU shares its own perception data obtained from its local sensors with vehicles in proximity and that allows vehicles to synchronize and coordinate their trajectories or manoeuvres. Each vehicle shares its driving intention with vehicles in proximity too.
  4. Remote Driving enables a remote driver or a V2X application to operate a remote vehicle for those passengers who cannot drive by themselves or remote vehicles located in dangerous environments. For a case where variation is limited and routes are predictable, such as public transportation, driving based on cloud computing can be used. High reliability and low latency are the main requirements.
In Release 15, it is expected to enhance the Cellular-based V2X services (V2V, V2I/N, and V2P) to support advanced V2X services as identified in TR 22.886 in a holistic and complementary manner to Release 14 V2X, which will involve both Uu interface and PC5 interface.

full Table of Contents for  TR 36.788  Word version:   15.0.0

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1  ScopeWord-p. 6
2  References
3  Definitions, symbols and abbreviations
4  BackgroundWord-p. 7
5  V2X scenarios in Rel-15Word-p. 8
6  Co-existence studyWord-p. 11
7  Transmit characteristics
8  Receiver characteristics
A  Change historyWord-p. 23

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