Reliable Contention-Based Forwarding Approach 


Vol. 37,  No. 8, pp. 695-705, Aug.  2012


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  Abstract

Due to recent advances in wireless devices and the automotive industry, Vehicular Ad hoc Networks(VANETs) have emerged as a very promising technology for transferring data collected on the road by moving cars. The delivered data may contain emergency information which affects the safety of passengers and drivers as well as the traffic congestion, and the routing protocols have thus a significant impact on the performance of VANETs. In this paper, we study the impact of movement direction of the participating cars which forward data packets on the performance of data delivery and present a new approach which extends the contention-based forwarding (CBF). The proposed reliable CBF (R-CBF) increases the reliability of data deliver on the traffic lights installed roads and reduces the overall propagation delay without routing loops or interruption of data forwarding that may be caused by changes of relative positions of involving cars in routing. Simulation demonstrates that the R-CBF diminishes propagation delay by 38% in comparison to G-SRMB which forwards data to moving cars in the backward direction and eliminates unnecessary retransmissions.

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  Cite this article

[IEEE Style]

Y. Sung, S. Jo, M. Lee, "Reliable Contention-Based Forwarding Approach," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 8, pp. 695-705, 2012. DOI: .

[ACM Style]

Yoon-young Sung, Sun-mi Jo, and Mee-jeong Lee. 2012. Reliable Contention-Based Forwarding Approach. The Journal of Korean Institute of Communications and Information Sciences, 37, 8, (2012), 695-705. DOI: .

[KICS Style]

Yoon-young Sung, Sun-mi Jo, Mee-jeong Lee, "Reliable Contention-Based Forwarding Approach," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 8, pp. 695-705, 8. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880