JTEF: joint throughput enhancement and fairness MAC protocol for vehicular ad hoc networks

Authors:
Li-Ling Hung;Chih-Yung Chang;Cheng-Chang Chen;Yu-Chieh Chen
Affiliations:
Aletheia University, Taipei, Taiwan, R.O.C.;Tamkang University, Taipei, Taiwan, R.O.C.;Tamkang University, Taipei, Taiwan, R.O.C.;Tamkang University, Taipei, Taiwan, R.O.C.
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

Citing 2
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Towards lightweight information dissemination in inter-vehicular networks

Proceedings of the 3rd international workshop on Vehicular ad hoc networks
Broadcast storm mitigation techniques in vehicular ad hoc networks

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Abstract

Vehicular Ad-Hoc Networks (VANETs) technologies can improve traffic safety for drivers and provide comfort services for passengers through copious amounts of Internet resources. Since the hardware of Road Side Unit (RSU) is costly, in most previous researches, vehicles exchange their data with RSU in a multi-hop manner. However, the vehicle with a larger number of hops to the RSU has fewer opportunities and longer time to communicate with RSU since the contentions and collisions increase with the number of hops. This paper proposes a Joint Throughput Enhancement and Fairness (JTEF) MAC protocol aiming to increase bandwidth utilization, maintain fairness, and avoid collision in a VANET environment. Performance study reveals that the proposed JTEF protocol outperforms existing CVIA protocol in terms of end-to-end throughput and fairness.