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Titolo:
Multiuser detection of asynchronous CDMA with frequency offset
Autore:
Peng, M; Guo, YJ; Barton, SK;
Indirizzi:
Ericsson Mobile Commun UK Ltd, Basingstoke RG23 8BG, Hants, England Ericsson Mobile Commun UK Ltd Basingstoke Hants England RG23 8BG England Mobisphere Ltd, Reading RG2 6GJ, Berks, England Mobisphere Ltd Reading Berks England RG2 6GJ ding RG2 6GJ, Berks, England Univ Manchester, Dept Comp Sci, Manchester M13 9PL, Lancs, England Univ Manchester Manchester Lancs England M13 9PL M13 9PL, Lancs, England
Titolo Testata:
IEEE TRANSACTIONS ON COMMUNICATIONS
fascicolo: 6, volume: 49, anno: 2001,
pagine: 952 - 960
SICI:
0090-6778(200106)49:6<952:MDOACW>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIPLE-ACCESS COMMUNICATIONS; PARAMETER-ESTIMATION; SIGNAL-DETECTION; CHANNELS; AMPLITUDE;
Keywords:
CDMA system; frequency offset; multiuser detection; near-far resistance;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Peng, M Ericsson Mobile Commun UK Ltd, Basingstoke RG23 8BG, Hants, England Ericsson Mobile Commun UK Ltd Basingstoke Hants England RG23 8BG
Citazione:
M. Peng et al., "Multiuser detection of asynchronous CDMA with frequency offset", IEEE COMMUN, 49(6), 2001, pp. 952-960

Abstract

This letter presents a near-far resistant detection scheme for asynchronous code-division multiple access with frequency offset. Based on a one-shot technique and Taylor expansion, a zeroth-order and a first-order one-shot linear decorreating detector (LDD) are proposed. The zeroth-order LDD has simple architecture but suffers performance degradation for large frequency offset. The first-order one-shot LDD, with increased complexity, has very good near-far resistant property even for large frequency offset. Two versions of the first-order one-shot LDD are investigated according to different Taylor expansion approaches. The feasibility of the proposed detectors is demonstrated by computer simulations.

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Documento generato il 07/07/20 alle ore 18:40:14