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A subband adaptive equalization structure

Weiss, Stephan and Garcia-Alis, Daniel and Stewart, Robert (1999) A subband adaptive equalization structure. In: IEE Colloquium on Novel DSP Applications in Radio Systems, 1999-09-28 - 1999-09-28, London.

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Abstract

The potential presence of fractional delays, non-minimum phase parts, and a colouring of the channel output can require adaptive equalizers to adapt very long impulse responses. Besides resulting in a large computational complexity, this will in general cause slow convergence for LMS-type adaptive algorithms. In this paper, we address the equalization problem by a subband approach to reduce computational complexity and to improve convergence speed. We discuss, why amongst other possibilities of subband processing the oversampled approach is particularly appealing to significantly reduce computational complexity and improve convergence speed. Simulation results for a typical communication channels are presented and highlight the benefit of our method.

Item type: Conference or Workshop Item (Paper)
ID code: 32639
Keywords: adaptive equalisers, adaptive filters, computational complexity, convergence, telecommunication channels , subband, adaptive equalization structure, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 31 Aug 2011 10:07
    Last modified: 17 Jul 2013 16:11
    URI: http://strathprints.strath.ac.uk/id/eprint/32639

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