A Hybrid MAC Mechanism for Multiple Load Intelligent Vehicle Transportation Network

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Provided by: International Journal on Smart Sensing and Intelligent Systems
Topic: Networking
Format: PDF
The Media Access Control (MAC) mechanism of intelligent vehicle communication network meets a new challenge due to the multiple load data traffic and high speed mobility. This paper proposes a hybrid MAC mechanism which takes the advantages of both TDMA and CSMA mechanism. This hybrid mechanism is based on TDMA, while CSMA mechanism is added in time slots to improve the slot utilization in both high and low load networks. Through the simulation in NS2 the authors compare the results of the hybrid MAC protocol with those of using CSMA and TDMA individually.
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