Reliable Routing Protocols in Vehicular Ad hoc Networks
نویسندگان
چکیده
One of the notoriously difficult problems in vehicular adhoc networks is to ensure that established paths do not break before the end of data transmission. This is a difficult problem because the network topology is changing constantly and the routing links are inherently unstable due to the high mobility of vehicles. This paper classified the existing routing protocols which are designed for vehicular network environment. Currently, there are five major types of routing protocols based on the metrics used for routing: 1) flooding based routing, 2) mobility based routing, 3) infrastructure based routing, 4) geographic location based routing, 5) probability model based routing. We give an introduction of each type of routing method. The motivation of this paper is to introduce the general design ideas and state of the art of each category of routing protocols. It will help new researchers to design more reliable routing protocols.
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