Computer Science ›› 2015, Vol. 42 ›› Issue (11): 174-177.doi: 10.11896/j.issn.1002-137X.2015.11.036

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Research on Cooperative MAC Protocol for Vehicular Ad Hoc Network

YE Xiang, ZHANG Guo-an and CHENG Dai-yue   

  • Online:2018-11-14 Published:2018-11-14

Abstract: The design of the medium access control (MAC) protocol is one of the key technologies of the vehicular ad hoc Networks(VANET),which directly impacts the network performance such as the access fairness,throughput delay and the packet-lost-radio etc.We presented a cooperative scheme for TDMA MAC due to the requirements of the MAC agreement in VANET,called C-TDMA MAC.In cooperative TDMA MAC,neighboring nodes use the unreserved time slots to cooperatively relay a packet not reaching its target receiver,without affecting the normal transmission of other data packets.Numerical analysis and simulation results show that the proposed protocol improves the successful probability of packet transmission.

Key words: VANET,Medium access control(MAC),Cooperative communication,Time division multiple access(TDMA)

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