1. Notes on dsrc & wave standards suite: its architecture, design, and characteristics;Morgan;IEEE Commun. Surv. Tutor.,2010
2. ETSI Technical Committee Intelligent Transport Systems, Intelligent Transport Systems (ITS); ITS-G5 Access layer Specification for Intelligent Transport Systems Operating in the 5 GHz Frequency Band, ETSI EN 302 663V1.3.1, Jan. 2020.
3. 3GPP, Architecture Enhancements for V2X Services, Technical Specification (TS) 23.285, 3rd Generation Partnership Project (3GPP), version 16.2.0, Dec. 2019.
4. 3GPP, Study on Enhancement of 3GPP Support for 5G V2X Services, Technical Report (TR) 22.886, 3rd Generation Partnership Project (3GPP), version 16.2.0, Dec. 2018.
5. 3GPP, Architecture Enhancements for 5G System (5GS) to Support Vehicle-to-Everything (V2X) Services, Technical Specification (TS) 23.287, in: 3rd Generation Partnership Project, (3GPP), version 16.2.0, Mar. 2020.