Please use this identifier to cite or link to this item: http://hdl.handle.net/10625/49760
Title: Cooperative BICM-OFDM: Sub-carrier and power allocation
Authors: Islam, T
Schober, R
Mallik, R K
Bhargava, V K
Keywords: COOPERATIVE DIVERSITY
WIRELESS SYSTEMS
SIGNAL TRANSMISSION
ERROR ANALYSIS
Date: 2010
Citation: Islam, T., Schober, R., Mallik, R. K., & Bhargava, V. K. (2010). Cooperative BICM-OFDM: Sub-carrier and power allocation. Proceedings of the 2010 International Conference on Signal Processing and Communications (SPCOM), Bangalore, IN. doi: 10.1109/SPCOM.2010.5560467
Abstract: In this paper, we consider amplify-and-forward cooperative diversity for wireless systems employing bit-interleaved coded modulation (BICM) and orthogonal frequency division multiplexing (OFDM). In the second hop, multiple relays transmit concurrently over disjoint sets of sub-carriers. We propose uniform and non-uniform sub-carrier allocation schemes, which guarantee full diversity if all involved channels have identical lengths. The non-uniform allocation scheme also guarantees full diversity if the involved channels have different lengths. In addition, we formulate a power allocation problem for minimization of an upper bound on the worst-case pairwise error probability of the considered cooperative diversity scheme and provide an efficient solution using geometric programming. Simulation results confirm the effectiveness of the proposed sub- carrier and power allocation schemes.
ISBN: 978-1-4244-7137-9
Project Number: 104519
Project Title: International Research Chairs Initiative (IRCI)
Access Restriction: Due to copyright restrictions the full text of this research output is not available in the IDRC Digital Library or by request from the IDRC Library. / Compte tenu des restrictions relatives au droit d`auteur, le texte intégral de cet extrant de recherche n`est pas accessible dans la Bibliothèque numérique du CRDI, et il n`est pas possible d`en faire la demande à la Bibliothèque du CRDI.
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