基于协作的动态频谱租赁序贯博弈  

Dynamic Property-rights Sequential Game Based on Cooperative Communication

作　　者：李翠莲[1,2] 杨震[1] 

机构地区：[1]南京邮电大学信号处理与传输研究院,江苏南京210003 [2]浙江万里学院,浙江宁波315100

出　　处：《南京邮电大学学报（自然科学版）》2012年第1期45-53,共9页Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition

基　　金：国家高技术研究发展计划(863计划)(2009AA01Z241);国家自然科学基金(60772062);国家自然科学青年基金(61001077);宁波市自然科学基金(2010A610121)资助项目

摘　　要：针对认知无线电频谱共享问题,在主用户与多接入感知用户共存的场景下,提出并分析了一种频谱租赁分层模型。该模型中感知用户间的竞争接入采用分布式异构机会功率控制方式;主从网络之间的竞争与协作采用序贯博弈。对博弈的完全信息模型给出了逆向归纳法求解方案,对不完全信息场景给出了一种近似求解方案。理论分析与仿真结果证明了所提出的模型与算法能够保证主用户的保留支付,并在两个层次(主从网络之间以及感知网络内)上公平的共享频谱。To tackle the spectrum sharing problem in cognitive radio, a spectrum leasing layered model is proposed and analyzed for the coexistence situation of the primary user and multiple access aware users. The competitive access between access aware users employs a distributed heterogeneous opportunistic power control mechanism, and the competition and cooperation between the primary and secondary networks are cast in the framework of sequential game. A backward induction solution approach is given for the game with completed information model, and an approximate solution approach is given for the situation with incomplete information. The theoretical analysis and simulation results have shown that the proposed model and algorithm can guarantee trum sharing on both the level of between ondary network. the reserved payment for the primary user and provide fair specprimary and secondary networks and the level of within the secondary network.

关 键 词：频谱租赁 产权 协作通信 序贯博弈 异构机会功率控制 

分 类 号：TN929[电子电信—通信与信息系统]