Improved GPSR Routing Protocol in VANETs

Abstract:

According to characteristics that the vehicles move fast and topology changes quickly in Vehicular Ad hoc Networks (VANETs), a novel routing protocol GMGP based on the location is proposed for VANETs. Predicting the changes of the neighboring nodes positions and using greedy forwarding mechanism forward packet, and using a movement perimeter forwarding algorithm to select the next reliable hop node on the basis of direction and velocity of the mobile nodes when the greedy forwarding fails, it improves the reliability of routing. When a more realistic vehicles mobility model is applied to the NS-2 simulation platform, the simulation indicates that the improved routing protocol has better performance than the GPSR routing protocol.

• Periodical: Applied Mechanics and Materials (Volumes 336-338)
• Pages: 1877-1881
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.336-338.1877
• Online since: July 2013
• Authors: Jian Yao, Hao You Peng, Tian Fu
• Keywords: Greedy Forwarding, Movement Perimeter Forwarding, Routing Protocol, Vehicular Ad Hoc Networks (VANET)

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