一种有效的多径信号DOA估计算法  

An Effective DOA Estimation Algorithm for Multipath Signals

作　　者：何子述[1] 韩春林[1] 唐斌[1] 

机构地区：[1]电子科技大学电子工程学院,四川成都610054

出　　处：《电子学报》2003年第1期139-141,共3页Acta Electronica Sinica

摘　　要：本文讨论了移动通信环境中的信号多径DOA估计问题 ,文中首先对典型算法作了简要回顾 ,然后给出了阵接收多径信号模型 ,给出了基于时间平均的多径DOA估计算法原理 ,指出了其存在的问题 ,并提出了一种有效的解决方法 .最后给出的计算机仿真实验结果验证了提出方法的有效性 .The multipath signal DOA(Direction of Arrival) estimations in mobile communication are discussed in this paper.Some typical algorithms are reviewed in brief first,and the model of multipath signals received by array antennas is described.The algorithm on multipath signal DOA estimation based on time averaging is introduced;also,a problem existing in this method is pointed out;an effective method for solving this problem is raised as well.Finally,the simulation results verifying the theoretical analysis are presented.

关 键 词：多径信号 DOA估计 阵列信号处理 移动通信 达到方向 

分 类 号：TN929.5[电子电信—通信与信息系统] TN911.23[电子电信—信息与通信工程]