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Performance Analysis of Adaptive Beamforming Algorithms for Smart Antennas

机译:智能天线自适应波束形成算法的性能分析

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In this paper, adaptive beamforming techniques for smart antennas based upon Least Mean Squares (LMS), Sample Matrix Inversion (SMI), Recursive Least Squares (RLS) and Conjugate Gradient Method (CGM) are discussed and analyzed. The beamforming performance is studied by varying the element spacing and the number of antenna array elements for each algorithm. These four algorithms are compared for their rate of convergence, beamforming and null steering performance (beamwidth, null depths and maximum side lobe level).
机译:在本文中,讨论并分析了基于最小均二(LMS),样本矩阵反转(SMI),递归最小二乘(RLS)和共轭梯度法(CGM)的智能天线的自适应波束形成技术。通过改变元件间隔和每种算法的天线阵列元件的数量来研究波束形成性能。将这四种算法进行比较,以它们的收敛速度,波束成形和空转转向性能(波束,空深度和最大侧瓣级)进行比较。

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