2019/04 40 p.
The present document specifies architecture enhancements to the 5G System to facilitate vehicular communications for Vehicle-to-Everything (V2X) services, over the following reference points, based on service requirements defined in TS 22.185
and TS 22.186
PC5 reference point: NR PC5 RAT, LTE PC5 RAT.
Uu reference point: NR, E-UTRA.
This specification also covers interworking with EPS.