An Effective MAC Scheme Based on Large Interference Range in Mobile Ad Hoc Networks

An adaptive MAC scheme called Probabilistic CTS Reply (PCR) for mobile ad hoc network is proposed. This scheme takes the influence of the Large Interference Range to the IEEE 802.11 RTS/CTS in wireless environment into account, and based on the efficiency of RTS/CTS and transmission range between the transmitter and receiver, then makes modification of RTS/CTS from the receiver side. The results of the theory analysis and the network simulation give the conclusion that PCR can lessen interference more effectively than RTS/CTS and improve the performance of the network.