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Fast Adaptation of Fractionally Spaced Equalisers

Fast Adaptation of Fractionally Spaced Equalisers
Fast Adaptation of Fractionally Spaced Equalisers
Efficient subband structures that aim at fast adaptation of fractionally spaced equalisers (FSE), by exploiting the 'prewhitening' effect that a subband decomposition has on the spectral dynamics of the equaliser input are discussed. Two novel FSE structures are proposed, which differ in the extent to which the feed-forwars and feed-back sections of the FSE are implemented in the subband domain, with distinct impacts on the updating. Improved convergence is achieved at a reduced computational cost compared to a fullband benchmark.
0013-5194
96-98
Mohamad, H.
8acfcfcc-9287-4657-9221-2acb9bc64799
Weiss, S.
55a13123-6604-4dad-b647-7347683c8c49
Rupp, M.
66e04939-773b-4528-a516-11e4c5007bd6
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Mohamad, H.
8acfcfcc-9287-4657-9221-2acb9bc64799
Weiss, S.
55a13123-6604-4dad-b647-7347683c8c49
Rupp, M.
66e04939-773b-4528-a516-11e4c5007bd6
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1

Mohamad, H., Weiss, S., Rupp, M. and Hanzo, L. (2002) Fast Adaptation of Fractionally Spaced Equalisers. Electronics Letters, 38 (2), 96-98.

Record type: Article

Abstract

Efficient subband structures that aim at fast adaptation of fractionally spaced equalisers (FSE), by exploiting the 'prewhitening' effect that a subband decomposition has on the spectral dynamics of the equaliser input are discussed. Two novel FSE structures are proposed, which differ in the extent to which the feed-forwars and feed-back sections of the FSE are implemented in the subband domain, with distinct impacts on the updating. Improved convergence is achieved at a reduced computational cost compared to a fullband benchmark.

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Published date: January 2002
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 257493
URI: http://eprints.soton.ac.uk/id/eprint/257493
ISSN: 0013-5194
PURE UUID: 5a36f60c-f4dd-4e78-a31b-739c0148242f
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 11 Dec 2003
Last modified: 20 Jul 2019 01:26

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