The Vehicular Ad-Hoc network is a new technology in the internet of things (IoT). It is broadly used in the intelligent transport system. VANET provides V2V communication and V2R communication in real-time communication. The intelligent transport system is used for road safety, information service, and traffic efficiency. The Greedy Perimeter Stateless Routing Protocol (GPSR) and Greedy Perimeter Coordinate Routing Protocol (GPCR) are proposed however, transmission of emergency data packets can be risky since packet delivery ratio is not guaranteed as GPCR link connectivity is not considered, hence they are not suitable for emergency data transmission. The algorithm called Destination Sequenced Distance Vector (DSDV) and Ad-hoc On-demand Distance Vector (AODV) are proposed to resolve the problems like End-to-End delay, average packet delivery ratio, and routing overhead. It is observed that the AODV algorithm has improved the throughput, PDR and has reduced the End-to-End delay in transmission of emergency data packets.
Read full abstract