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Hybrid automatic-repeat-reQuest systems for cooperative wireless communications

Ngo, Hoang Anh and Hanzo, Lajos (2013) Hybrid automatic-repeat-reQuest systems for cooperative wireless communications IEEE Communications Surveys & Tutorials, pp. 1-21. (doi:10.1109/SURV.2013.071913.0007).

Record type: Article


Hybrid-Automatic-Repeat-reQuest (H-ARQ) has become an indispensable technique in reliable communication systems. Hence, in this paper we review the state-of-art and investigate the performance of H-ARQ in the context of cooperative wireless communications. As a novel advance, we also propose a relay-switching regime based H-ARQ scheme, which is capable of increasing the achievable system throughput as confirmed by both theory and practice. Furthermore, we evaluate the achievable upper-bound performance in the context of perfect Channel State Information (CSI). Then we proceed to quantify the performance erosion imposed by realistic CSIbased-coherent detection as well as low complexity non-coherent detection assisted cooperative H-ARQ. Finally, we propose a general design guide-lines for H-ARQ aided cooperative systems.

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Accepted/In Press date: 2013
Organisations: Southampton Wireless Group


Local EPrints ID: 354859
PURE UUID: 294634d4-0ccf-47b9-bc3e-d2822ae4f4ec

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Date deposited: 21 Jul 2013 08:09
Last modified: 24 Jul 2017 16:39

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Author: Hoang Anh Ngo
Author: Lajos Hanzo

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