Spectrum allocation game of directional transmission in multi-hop cognitive radio networks  

作　　者：韩韧 Huang Xiaoxia Lu Jing Fan Jianping 

机构地区：[1]Institute of Computing Technology,Chinese Academy of Sciences [2]Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences [3]University of Chinese Academy of Sciences

出　　处：《High Technology Letters》2014年第1期70-76,共7页高技术通讯（英文版）

基　　金：Supported by the National High Technology Research and Development Programme of China(No.2011AA010503);the National Natural Science Foundations of China(No.60903192)

摘　　要：The spectrum allocation for links in multi-hop cognitive radio networks is addressed.The links rent the vacant licensed bands offered by primary users for implementing directional transmission.To minimize the individual cost,the links share the licensed band and rental fee.An interference model for the directional transmission in cognitive radio networks is proposed to formulate the cooperative and dynamic behavior of the links using the theory of hedonic game,called spectrum allocation game.The game is proved to converge to the core stable state indicating that all links satisfy with their current conditions and do not deviate from their coalitions.Numerical results show that the game improves spectral efficiency and contributes to reducing the individual cost of the links.The spectrum allocation for links in multi-hop cognitive radio networks is addressed. The links rent the vacant licensed bands offered by primary users for implementing directional transmission. To minimize the individual cost, the links share the licensed band and rental fee. An interference mod- el for the directional transmission in cognitive radio networks is proposed to formulate the cooperative and dynamic behavior of the links using the theory of hedonic game, called spectrum allocation game. The game is proved to converge to the core stable state indicating that all links satisfy with their current conditions and do not deviate from their coalitions. Numerical results show that the game improves spectral efficiency and contributes to reducing the individual cost of the links.

关 键 词：cognitive radio game theory directional transmission 

分 类 号：TN925[电子电信—通信与信息系统]