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A new variable step-size LMS adaptive filtering algorithm for beamforming technology

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3 Author(s)
Maobing Hu ; Coll. of Inf. Sci. & Eng., Huaqiao Univ., Xiamen, China ; Wei Tang ; Canhui Cai

In this paper, a novel variable step-size (VS) LMS (Least Mean Square) adaptive filtering algorithm for adaptive beamforming is proposed based on the conventional VS-LMS algorithm. In the condition of low SNIR, the proposed method improves the convergence rate and steady-state error by regulating the step size coefficient. Finally, an example for beamforming technology is illustrated and its results indicate that the improved algorithm can form a deeper null in the direction of the interference compared with the VS-LMS algorithm.

Published in:

Antennas Propagation and EM Theory (ISAPE), 2010 9th International Symposium on

Date of Conference:

Nov. 29 2010-Dec. 2 2010