首页> 外文会议>2002 3rd International Conference on Microwave and Millimeter Wave Technology (ICMMT 2002); Aug 17-19, 2002; Beijing, China >A New Fuzzy Logic Application to Variable Step Size LMS Algorithm for Adaptive Antennas in CDMA Systems
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A New Fuzzy Logic Application to Variable Step Size LMS Algorithm for Adaptive Antennas in CDMA Systems

机译:一种新的模糊逻辑在CDMA系统自适应天线可变步长LMS算法中的应用

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摘要

This paper proposes a new application of Fuzzy logic to Variable Step Size Least Mean Square (VS-LMS) adaptive beamforming algorithm in CDMA systems. The proposed algorithm adjusts the step size of the Least Mean Square (LMS) by using the application of Fuzzy logic in which the increase or decrease of step size depends on the fuzzy inference results of the Mean Square Error (MSE). Computer simulation results show that the proposed algorithm has a better capacity of tracking compared with the conventional LMS algorithms and other variable step size LMS algorithms.
机译:本文提出了一种模糊逻辑在CDMA系统可变步长最小均方(VS-LMS)自适应波束形成算法中的新应用。所提出的算法通过应用模糊逻辑来调整最小均方(LMS)的步长,其中步长的增加或减少取决于均方误差(MSE)的模糊推理结果。计算机仿真结果表明,与常规LMS算法和其他可变步长LMS算法相比,该算法具有更好的跟踪能力。

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