CDMA系统中基于时延花费的功率速率联合控制  

Joint Control of Power and Rate in CDMA System Based on Delay Cost

作　　者：王贻彬[1] 倪卫明[1] 

机构地区：[1]复旦大学通信科学与工程系

出　　处：《微型电脑应用》2013年第10期27-30,共4页Microcomputer Applications

摘　　要：针对CDMA系统中的多业务处理的飞速发展,采用非合作博弈(Non-cooperative Game,NG)理论实现功率与速率的联合控制(joint control of power and rate)。将功率与速率控制问题等效为非合作博弈(Non-cooperative Game,NG)问题,并且提出了一种基于时延花费的代价函数,接着证明了该联合算法纳什均衡(Nash Equilibrium,NE)的存在性与唯一性。仿真结果表明,该算法使得用户在较小的功率下获得较高效用值,并且减少了用户的传输延时。Due to the rapid development of multimedia services in CDMA system, we use non-cooperative game（NG） theory to achieve joint control of power and rate in CDMA system. The power and rate control problem is equivalent to be a non- cooperative（NG） problem. What＇ s more, this paper introduce a cost function which is based on delay cost. Then we prove the existence and uniqueness of the proposed algorithm＇s NASH equilibrium （NE）. The simulation results show that the algorithm can attain higher utility using lower power. And it also reduces the transmission delay of the user.

关 键 词：联合控制 非合作博弈 时延花费 纳什均衡 

分 类 号：TN929.53[电子电信—通信与信息系统]