Radio resource management in the next generation wireless networks

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As a key technology in next generation wireless networks, cognitive radio is to tackle the potential radio spectrum scarcity problem in the near future, where unlicensed users can temporarily utilize the licensed spectrum (with some payment) when the licensed users are idle. The proposed research is to investigate and develop practical radio resource management mechanisms in cognitive radio networks. In particular, pricing mechanisms are to be studied, so as to motivate both licensed users and unlicensed users; and efficient channel access strategies for unlicensed users are to be developed, to maximize the spectrum efficiency and meet the quality-of-service requirements. Game theory and optimization theory will be used. The proposed research will fill the gap between theoretical framework and practical network implementation. The research results will provide industry with guidelines for development and deployment of cognitive radio networks.