Optimal Time and Bandwidth Allocation Based on Nash Bargaining Solution for Cooperative Cognitive Systems  

协作认知系统中基于纳什议价解的最优时间和带宽分配（英文）

作　　者：卢为党 贡毅 汪晶 华惊宇 孟利民 

机构地区：[1]College of Information Engineering,Zhejiang University of Technology [2]School of Electrical and Electronic Engineering,South University of Science and Technology of China

出　　处：《China Communications》2013年第12期149-157,共9页中国通信（英文版）

基　　金：supported by the National Natural Science Foundation of China under Grants No.61372087,No.61303235;the Zhejiang Leading Team of Science and Technology Innovation on Modem Communication and Network System under Grant No.2010R50011;the Project of the Zhejiang Provincial Science and Technology Department under Grant No.Y201329389

摘　　要：In this paper,we propose a cooperative spectrum sharing strategy based on the Nash bargaining solution.Specifically,the primary system leases a fraction of its transmission time to the secondary system in exchange for cooperation to improve its transmission performance.To gain access to the spectrum of the primary system,the secondary system needs to split a fraction of its transmission bandwidth to help to forward the primary signal.As a reward,the secondary system can use the remaining bandwidth to transmit its own signal.We find a unique solution for this time and bandwidth allocation using the Nash bargaining solution.Simulation results demonstrate that the performance of the primary and secondary systems can both be improved by the proposed spectrum sharing strategy.In this paper, we propose a coopera- tive spectrum sharing strategy based on the Nash bargaining solution. Specifically, the primary system leases a fraction of its trans- mission time to the secondary system in ex- change for cooperation to improve its trans- mission performance. To gain access to the spectrum of the primary system, the secondary system needs to split a fraction of its transmis- sion bandwidth to help to forward the primary signal. As a reward, the secondary system can use the remaining bandwidth to transmit its own signal. We find a unique solution for this time and bandwidth allocation using the Nash bar- gaining solution. Simulation results demonstr- ate that the performance of the primary and secondary systems can both be improved by the proposed spectrum sharing strategy.

关 键 词：spectrum sharing cooperativerelaying Nash bargaining solution RESOURCEALLOCATION 

分 类 号：TN925[电子电信—通信与信息系统]