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Low complexity dynamically regularised RLS algorithm

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JournalElectronics Letters
DatePublished - 3 Jul 2008
Issue number14
Volume44
Number of pages2
Pages (from-to)886-U219
Original languageEnglish

Abstract

Proposed is a low complexity dynamically regularised recursive least squares (RLS) adaptive filtering algorithm based on dichotomous co- ordinate descent iterations. The complexity of the proposed algorithm is reduced to O(N-2), N being the filter length, compared to O(N-3) for a directly regularised RLS algorithm. Field programmable gate array implementation shows that the proposed algorithm is hardware efficient.

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