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Adaptive equalisation in oversampled subbands

Weiss, Stephan and Dooley, S. and Stewart, Robert and Asoke, Nandi (1998) Adaptive equalisation in oversampled subbands. Electronics Letters, 34 (15). pp. 1452-1453. ISSN 0013-5194

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The potential presence of fractional delays, nonminimum phase parts, and a colouring of the channel output can require adaptive equalisers to adapt very long filters, which can have slow convergence for LMS-type adaptive algorithms. The authors present a novel oversampled subband approach to adaptive equalisation, which can both significantly reduce computational complexity and improve convergence speed.