Implementation of multi-channel MAC protocol based on VANET
Sha Yan, Wang Dan, Zhang Hongwei and 1 more
Dianzi Jishu Yingyong · 2018
doi:10.16157/j.issn.0258-7998.181040 (opens in a new tab)
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Abstract
The design goals of VANET(Vehicular Ad-Hoc Networks) are to provide an open public road safety services，and to improve the comfort and efficiency of driving. In VANET, multi channels are employed to transmit safety information and non-safety information respectively. This paper analyzes protocols associating with VANET in detail and proposes an improved multi-channel MAC cooperation scheme. Based on the network simulation software NS2, this paper designs the simulation model for VANET, adds the multi-channel module and application layer module into the network simulation software NS2, and then simulates the single channel and multi-channel, and the improved MAC protocol. From the simulation, it shows that compared with the single channel, multi channels can obtain better throughput, and the improved MAC protocol also has lower latency and message collision ratio than the original standard.
Abstract licence: CC BY-NC
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