1. 3GPP TS 33.185 V15.0.0: Security aspect for LTE support of Vehicle-to-Everything (V2X) services (2018)
2. 3GPP TS 136 300 V15.8.0: Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description (2020)
3. 3GPP TS 123 303 V15.1.0: Universal Mobile Telecommunications System (UMTS); LTE; Proximity-based services (ProSe); Stage 2 (2018)
4. IEEE 1609.0-2019: IEEE Guide for Wireless Access in Vehicular Environments (WAVE) Architecture (2019)
5. ETSI 303 613 V1.1.1: Intelligent Transport Systems (ITS); LTE-V2X Access layer specification for Intelligent Transport Systems operating in the 5 GHz frequency band (2020)