Hierarchical Coalition Formation Game of Relay Transmission in IEEE 802.16m
نویسندگان
چکیده
One of the main features of IEEE 802.16m is the relay transmission which could not only extend the service coverage, but also improve the quality-of-service (QoS) to the mobile stations. In this paper, we consider the cooperation among relay stations and mobile stations to improve the performance of relay transmission in IEEE 802.16m network. In this case, the relay stations and mobile stations are rational to maximize their payoff (i.e., throughput minus cost) by forming the coalitions. The hierarchical coalition formation game is introduced which is similar to the Stackelberg game. In the upper level, relay stations are considered to be the leaders to cooperate with each other to relay the data transmission from base station to the mobile station. In the lower level, mobile stations are considered to be the followers cooperating with each other to relay the transmission from base station and relay station. Given the coalition formed by the relay station (i.e., leaders), mobile stations (i.e., followers) form the coalitions such that their individual payoffs are maximized. Knowing this behavior of mobile station, relay stations form their coalitions to maximize their individual payoffs. The analysis based on Markov model to obtain the stable coalitional structures of both leaders and followers is introduced. This hierarchical coalition formation game model will be useful to jointly investigate the self-interest behaviors of relay stations and mobile stations in IEEE 802.16m relay network.
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