Cooperative diversity for wireless ad hoc networks

Stankovic, V. and Host-Madsen, A. and Xiong, Z. (2006) Cooperative diversity for wireless ad hoc networks. IEEE Signal Processing Magazine, 23 (5). pp. 37-49. ISSN 1053-5888

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Abstract

Cooperative diversity is a novel technique proposed for conveying information in wireless ad hoc networks, where closely located single-antenna network nodes cooperatively transmit and/or receive by forming virtual antenna arrays. For its building blocks, the relay channel and the two-transmitter, two-receiver cooperative channel, we survey the latest advances made in determining the theoretical capacity bounds and describe the best practical code designs reported so far. Both theory and practice predict that cooperative communication can provide increased capacity and power savings in ad hoc networks.