多小区认知无线电网络中基于非合作博弈的功率控制算法

摘要

功率控制技术是认知无线电网络的关键技术之一。本文对多小区认知无线电网络进行分析，建立非合作博弈模型，提出一种新的适用于多小区认知无线电网络基于非合作博弈的功率控制算法，分析指出了该算法存在唯一的纳什均衡，并通过数值仿真分析了该算法的性能，用户可以以相对较低的发射功率获得较高的效用和服务质量，具有一定的实用性。%Power control technology is one of the key technologies of cognitive radio network .The multicell cognitive radio network is analyzed, and a noncooperative game model is established, and a new power control algorithm based on non cooperative game theory for multi cell cognitive radio network is proposed.The existence and uniqueness of Nash equilibrium is pointed out. Numerical simulations are conducted to analyze the performance of the algorithm .Users can transmit power relatively low gain high-er utility and quality of service .The algorithm has certain practicality .