Dedicated Short Range Communication (IR-DSRC) is a communication system between Rode Side Equipment (RSE) and On Board Equipment (OBE) in a vehicle. Wireless resources shared among nodes should be efficiently allocated in the telecommunication system, and a MAC scheduling algorithm is needed. The purpose of the MAC scheduling algorithm is improving the efficiency after considering the QoS requirements of each node. IR-DSRC is limited to simple services and current MAC scheduling algorithm of it is similar to a Round Robin. Therefore, the efficiency of the system is inadequate for multimedia services. In this paper, we proposed a new MAC scheduling algorithm for the IR-DSRC system which improves the system efficiency and guarantees fairness among OBEs.
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