CDMA Bunched系统覆盖控制算法研究  

Research on Coverage Control Algorithm of CDMA Bunched System

作　　者：朱英勋[1] 王荣[1] 益晓新[1] 

机构地区：[1]解放军理工大学通信工程学院,南京210007

出　　处：《电子与信息学报》2008年第6期1437-1440,共4页Journal of Electronics & Information Technology

摘　　要：该文对CDMABunched系统位置优化问题进行了研究,给出了使远端天线单元覆盖区域达到最优的方法;根据CDMA系统中断方程提出了一种基于梯度下降算法的CDMABunched系统覆盖控制算法;利用计算机仿真对该算法进行了验证,结果表明,经过优化的系统,用户中断概率较天线单元均匀分步的系统低一个数量级,较规则分布的系统低40%以上。In this paper, the situation optimization issue of a CDMA Bunched system is investigated and a method that optimize the points distribution is given. According to outage equation of CDMA system, a coverage control algorithm is proposed based on gradient descent algorithm. Computer simulation results show that outage probability of the optimized system is one order of magnitude less than the uniform distributed system and 40% less than the regular distributed system.

关 键 词：码分多址 集束系统 覆盖控制 VORONOI划分 梯度下降算法 

分 类 号：TN914.53[电子电信—通信与信息系统]