A Qualitative Survey on Position Based Unicast Routing Protocols in Vehicular Ad hoc Networks (VANETs)
نویسندگان
چکیده
Vehicular ad hoc networks (VANETs) have emerged as a prominent technology that facilitates the exciting research and application area for current era of vehicular system. As a sub class of Mobile Ad hoc Networks (MANETs), VANETs provide communication by forwarding datagram over multi hop wireless links. It facilitates the communication among Vehicle to Vehicle (V2V) and Vehicle to Infrastructure (V2I) in wireless environment without any underlying network infrastructure. In current Intelligent Transportation Systems (ITS) vehicles are being equipped with embedded sensors, processing systems and wireless communication capabilities. These features in smart vehicles have opened an ocean of possibilities for safer, efficient, and comfortable driving of vehicles. Some characteristics of VANETs like rapid changes in network topology and sporadic communication connections make a difficult task to solve the routing deficiencies. This paper investigates the various routing algorithm of VANETs and provides a qualitative comparison of these approaches to open the opportunities for the researchers to develop efficient routing techniques. KeywordsVehicular Ad hoc networks, VANET, Routing, WAVE
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