基于MATLAB的无线衰落信道仿真算法研究  

Research on Simulation Algorithm of Radio Fading Channel Using MATLAB

作　　者：周富相[1] 郑晓晶[1] 

机构地区：[1]中国人民解放军总参谋部通信训练基地,河北宣化075100

出　　处：《河北北方学院学报（自然科学版）》2010年第3期20-24,共5页Journal of Hebei North University:Natural Science Edition

摘　　要：为了建立一个能够反映实际无线衰落信道传播特性的信道仿真模型,在深入研究无线衰落信道传播特性及现有仿真算法的基础上,提出了一种基于MATLAB的无线衰落信道仿真算法.通过对算法的仿真,结果表明该算法建立的信道仿真模型的概率密度曲线与理论曲线基本一致,说明算法是正确和科学合理的.最后对QPSK信号在瑞利信道条件下的性能进行了仿真和分析,进一步验证了该算法的正确性和科学性.To build a channel simulation model that can reflect the transmitting characteristic of the practical radio fading channel, on the basis of deep research of the transmitting characteristic of the practical radio fading channel and the current simulation algorithms, a new simulation algorithm of radio fading channel model using MATLAB is put forward. Simultaneously, the performance of the algorithm is simulated, and the simulation results have proved that the PDF of the channel simulation model built on it is in accordance with the theoretical PDF, which shows that the algorithm is right and reasonable. In addition, the characteristic of the QPSK signal which passes Rayleigh channel simulation model is simulated and analyzed, and it also turns out that the algorithm is reasonable and scientific.

关 键 词：无线衰落 信道仿真 瑞利分布 信道模型 

分 类 号：TN911.25[电子电信—通信与信息系统]