Computer Science ›› 2018, Vol. 45 ›› Issue (4): 126-130.doi: 10.11896/j.issn.1002-137X.2018.04.020

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Dual-cluster-head Routing Protocol Based on Vehicle Density in VANETs

YANG Yu-qi, ZHANG Guo-an and JIN Xi-long   

  • Online:2018-04-15 Published:2018-05-11

Abstract: In order to reduce the sensitivity of single vehicle node movements in forwarding area of the urban environment and reduce the average number of hops and transmission delay from source node to destination node,a dual-cluster-head routing protocol based on vehicle density in vehicular Ad-hoc networks was proposed.This routing protocol sets the size of cluster according to the vehicle density,one cluster head is respectively selected in the left and right lanes of the same section,the primary cluster head for forwarding data packets is selected according to the maximization lifetime,and the other cluster head is used as an alteration.Simulation results show that the proposed protocol has longer lifetime,smaller average number of hop and average delay,and better communication performance compared with CBDRP and EG-RAODV.

Key words: Routing protocol,Double cluster head,Average delay,Average number of hops

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