Fast adaptive receiver for interference suppression in DS-CDMA systems

Jaeseung Yoon, John F. Doherty

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

We consider an asynchronous direct-sequence code-division multiple-access system in near-far situation with additive white Gaussian noise. To suppress multiple access interference, we propose an adaptive receiver scheme that has faster convergence rate than the conventional N-tap adaptive receiver (NAR). An NAR is decomposed into D<N subfilters and a D-tap adaptive combining filter is added at the outputs of the subfilters. The minimum mean squared error criterion is used for adaptation of both combining filter and subfilters. Computer simulation results are included to show the effectiveness of our adaptive receiver scheme.

Original languageEnglish (US)
Pages821-825
Number of pages5
StatePublished - Dec 1 1999
EventIEEE Military Communications Conference (MILCOM 1999) - Atlantic City, NJ, USA
Duration: Oct 31 1999Nov 3 1999

Other

OtherIEEE Military Communications Conference (MILCOM 1999)
CityAtlantic City, NJ, USA
Period10/31/9911/3/99

Fingerprint

Interference suppression
Code division multiple access
Multiple access interference
Adaptive filters
Computer simulation

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Yoon, J., & Doherty, J. F. (1999). Fast adaptive receiver for interference suppression in DS-CDMA systems. 821-825. Paper presented at IEEE Military Communications Conference (MILCOM 1999), Atlantic City, NJ, USA, .
Yoon, Jaeseung ; Doherty, John F. / Fast adaptive receiver for interference suppression in DS-CDMA systems. Paper presented at IEEE Military Communications Conference (MILCOM 1999), Atlantic City, NJ, USA, .5 p.
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abstract = "We consider an asynchronous direct-sequence code-division multiple-access system in near-far situation with additive white Gaussian noise. To suppress multiple access interference, we propose an adaptive receiver scheme that has faster convergence rate than the conventional N-tap adaptive receiver (NAR). An NAR is decomposed into D<N subfilters and a D-tap adaptive combining filter is added at the outputs of the subfilters. The minimum mean squared error criterion is used for adaptation of both combining filter and subfilters. Computer simulation results are included to show the effectiveness of our adaptive receiver scheme.",
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Yoon, J & Doherty, JF 1999, 'Fast adaptive receiver for interference suppression in DS-CDMA systems', Paper presented at IEEE Military Communications Conference (MILCOM 1999), Atlantic City, NJ, USA, 10/31/99 - 11/3/99 pp. 821-825.

Fast adaptive receiver for interference suppression in DS-CDMA systems. / Yoon, Jaeseung; Doherty, John F.

1999. 821-825 Paper presented at IEEE Military Communications Conference (MILCOM 1999), Atlantic City, NJ, USA, .

Research output: Contribution to conferencePaper

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AU - Doherty, John F.

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N2 - We consider an asynchronous direct-sequence code-division multiple-access system in near-far situation with additive white Gaussian noise. To suppress multiple access interference, we propose an adaptive receiver scheme that has faster convergence rate than the conventional N-tap adaptive receiver (NAR). An NAR is decomposed into D<N subfilters and a D-tap adaptive combining filter is added at the outputs of the subfilters. The minimum mean squared error criterion is used for adaptation of both combining filter and subfilters. Computer simulation results are included to show the effectiveness of our adaptive receiver scheme.

AB - We consider an asynchronous direct-sequence code-division multiple-access system in near-far situation with additive white Gaussian noise. To suppress multiple access interference, we propose an adaptive receiver scheme that has faster convergence rate than the conventional N-tap adaptive receiver (NAR). An NAR is decomposed into D<N subfilters and a D-tap adaptive combining filter is added at the outputs of the subfilters. The minimum mean squared error criterion is used for adaptation of both combining filter and subfilters. Computer simulation results are included to show the effectiveness of our adaptive receiver scheme.

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Yoon J, Doherty JF. Fast adaptive receiver for interference suppression in DS-CDMA systems. 1999. Paper presented at IEEE Military Communications Conference (MILCOM 1999), Atlantic City, NJ, USA, .