Performance of multi-relay coded cooperative diversity in asynchronous code-division multiple-access over fading channels

A. Eid; W. Hamouda; I. Dayoub

Performance of multi-relay coded cooperative diversity in asynchronous code-division multiple-access over fading channels

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Performance of multi-relay coded cooperative diversity in asynchronous code-division multiple-access over fading channels

Author(s): A. Eid ; W. Hamouda ; I. Dayoub
DOI: 10.1049/iet-com.2010.0478

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Author(s): A. Eid ¹ ; W. Hamouda ¹ ; I. Dayoub ²
- Affiliations: 1: Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada
  2: IEMN DOAE, University of Valenciennes, Valenciennes, France
Source: Volume 5, Issue 5, 25 March 2011, p. 683 – 692
DOI: 10.1049/iet-com.2010.0478 , Print ISSN 1751-8628, Online ISSN 1751-8636

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In this study, multi-relay decode-and forward (DAF) cooperative networks employing convolutional coding are studied for asynchronous direct-sequence code-division multiple-access (DS-CDMA) systems over frequency-selective slow fading channels. The authors show that the full benefits of coded cooperative diversity cannot be achieved if no multi-user interference suppression is employed at the cooperative end. The authors consider two scenarios; perfect and imperfect inter-user channels. In that, the bit-error-rate performance of the cooperative system is investigated for an uplink transmission where a decorrelator detector is used at both the relay and base station receivers. Both simulation and analytical results are presented to demonstrate the diversity gains of the convolutionally coded cooperative network.

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Performance of multi-relay coded cooperative diversity in asynchronous code-division multiple-access over fading channels

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