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In vehicular ad hoc networks (VANETs), the communication links are inherently unstable due to vehicles’ mobility and various impairment of radio signal. Existing geographic routing protocols often choose the next hop according to the greedy forwarding, regardless of the link’s quality and transmission reliability. The successful packet delivery rate is decreased in non-ideal communication links. Consequently,...
Greedy forwarding is widely adopted in geographic routing protocols for VANETs since it selects the neighbor that is geographically closer to the destination as the next hop and is considered efficient. Because of the highly dynamic network topology and various impairment of radio signal, the link chosen according to the greedy algorithm regardless of the link state is unstable to a large extent,...
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