1. [1] ETSI TC ITS, “Intelligent transport systems; Vehicular communications; Basic set of applications; Part 2: Specification of cooperative awareness basic service,” Std. ETSI EN Std 302 637-2 V.1.3.0, 2013.
2. [2] ETSI TC ITS, “Intelligent transport systems; Vehicular communications; Basic set of applications; Part 3: Specification of decentralized environmental notification basic service,” Std. ETSI EN Std 302 637-3 V.1.2.0, 2013.
3. [3] ETSI TR 102 638 v1.1.1, “Intelligent Transport Systems (ITS); Vehicular Communications; Basic set of applications; Definitions,” July 2009.
4. [4] ETSI TC ITS, “Intelligent transport systems; Vehicular communications; Basic set of applications; Facilities layer protocols and communication requirements for infrastructure services,” Std. ETSI TS Std. 103 301 V.1.1.1, 2016.
5. [5] 3GPP TR 22.885 V1.0.0, “Study on LTE support for V2X services (release 14),” 3GPP Std., Sept. 2015.