Based on IEE802.22

the distributed radio tiesounce management problem for MIMO-OFDM system in cognitive radio context is researched in this paper.The multiuser power and channel allocation pcvblem to mvcimize the total capacity is prayed to be a Supermodular game according to the game theory.A corresponding power and channel allocation algorithm is given and extended to the MIhIQOFDM system.Simulation results indicate that our method can achieve greater performance improvement in channel capacity with finite repeated game.