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LMS AND NLMS ALGORITHMS FOR THE IDENTIFICATION OF IMPULSE RESPONSES WITH INTRINSIC SYMMETRIC OR ANTISYMMETRIC PROPERTIES

Jacob Benesty, Constantin Paleologu, Silviu Ciochina, Eduardo Vinicius Kuhn, Khaled Jamal Bakri, Rui Seara

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    Length: 00:12:48
10 May 2022

In applications involving system identification problems, some characteristics of the impulse response of the system to be identified are usually exploited to design adaptive algorithms with improved performance. In this context, this paper focuses on the identification of systems that own intrinsic symmetric or antisymmetric properties, which can be further formulated by using a combination of bilinear forms. Based on such an approach, the least-mean-square (LMS) and normalized LMS (NLMS) algorithms with symmetric/antisymmetric properties (termed here LMS-SAS and NLMS-SAS) are proposed. Simulation results are shown confirming the improved convergence speed achieved by the proposed algorithms as compared to the conventional LMS and NLMS counterparts for different operating scenarios.

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    Members: Free
    IEEE Members: $11.00
    Non-members: $15.00