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Title: Analysis and relay placement for DF cooperative BICM-OFDM systems
Authors: Islam, T
Nasri, A
Schober, R
Mallik, R K
Issue Date: 2011
Citation: Islam, T., Nasri, A., Schober, R., & Mallik, R. K. (2011). Analysis and relay placement for DF cooperative BICM-OFDM systems. Proceedings of the 2011 IEEE Wireless Communications and Networking Conference (WCNC), Cancun, MX. (p. 1670-1675). doi: 10.1109/WCNC.2011.5779386
Abstract: In this paper, we study a decode-and-forward cooperative diversity scheme for wireless systems using the combination of bit-interleaved coded modulation (BICM) and orthogonal frequency division multiplexing (OFDM). We propose a simple cooperative maximum-ratio combining scheme for the destination which can successfully exploit the full spatial and frequency diversity offered by the channel. Taking possible decision errors at the relay into account, we develop a closed- form upper bound on the asymptotic worst-case pairwise error probability (PEP) of the considered cooperative diversity system which provides insight into the influence of various code and channel parameters on performance. The PEP expression is then exploited for optimal relay placement. Simulation results corroborate the derived analytical results regarding the diversity gain of the system and confirm the effectiveness of the proposed relay placement scheme.
ISBN: 978-1-61284-255-4
ISSN: 1525-3511
Project Number: 104519
Project Title: International Research Chairs Initiative (IRCI)
Document Delivery: This document is not available in the IDRC Digital Library / Ce document n'est pas disponible dans la Bibliothèque numérique du CRDI
Appears in Collections:IDRC Research Results / Résultats de recherches du CRDI
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