Adaptive algorithm for smart antenna system

Btissam Boustani, A. Baghdad, A. Sahel, A. Badri, A. Ballouk
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引用次数: 2

Abstract

This paper presents a comparative study of two adaptive algorithms, Linear Constraint Minimum Variance (LMCV) and the Minimum Variance Distortionless Response (MVDR) applied to the smart antenna system. These algorithms are studied in terms of power while tracking the desired signal. In this case, we used a system with three upcoming signals containing the desired signal, whose position changes constantly, and two signals considered as interference. The simulation result shows that the MVDR technique provides better results than LMCV by creating a beam forming that follows the desired signal through its movement preserving an adequate power.
智能天线系统的自适应算法
比较研究了线性约束最小方差(LMCV)和最小方差无失真响应(MVDR)两种自适应算法在智能天线系统中的应用。这些算法在跟踪所需信号时从功率的角度进行了研究。在这种情况下,我们使用一个系统,其中三个即将到来的信号包含期望信号,其位置不断变化,两个信号视为干扰。仿真结果表明,MVDR技术在保持足够功率的情况下,产生的波束形成跟随期望信号的运动,比LMCV技术具有更好的效果。
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