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A variable step-size LMS adaptive filtering algorithm

  • Northwestern Polytechnical University Xian

科研成果: 书/报告/会议事项章节会议稿件同行评审

18 引用 (Scopus)

摘要

A varariable setp-size LMS algorithm which is based on the nonlinear functional relationship between the step-size and the error signal is presented. The new algorithm has better convergence properties at the beginning of adaptiving while ensuring small final misadjustment. Moreover the performance of the algorithm adapts to jump systems by using a hop-parameter α(n) to adjust the step-size and eliminates the disturbances of independent noise adjusting the step-size according to the square of the timed-averaged estimate of the atuocorrelation of the current error singal e(n) and the previous error singal e(n-1). Computer simulation results confirm the algorithm is superior to the former algorithms in performance.

源语言英语
主期刊名Proceedings - 5th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2009
DOI
出版状态已出版 - 2009
活动5th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2009 - Beijing, 中国
期限: 24 9月 200926 9月 2009

出版系列

姓名Proceedings - 5th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2009

会议

会议5th International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2009
国家/地区中国
Beijing
时期24/09/0926/09/09

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