An opportunistic relay selection algorithm for hybrid-ARQ in wireless networks

Authors:
A-Young Kang;Sohee Lee;SungRae Cho;Wan Choi;HyuckJae Lee
Affiliations:
School of Engineering, Information and Communications University, Daejeon, Korea;Hewlett Packard Korea Ltd., Seoul, Korea;School of Engineering, Information and Communications University, Daejeon, Korea;School of Engineering, Information and Communications University, Daejeon, Korea;School of Engineering, Information and Communications University, Daejeon, Korea
Venue:
ICOIN'09 Proceedings of the 23rd international conference on Information Networking
Year:
2009

Citing 3
Cited 0

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Abstract

This paper proposes a simple relay selection algorithm among Nr possible relays. The technique enhances reliability and performance of wireless communication system by retransmitting a data from the selected relay to the destination. The method finds a relay on distributed manner, i.e., no requirement of centralized node which has knowledge of whole network. The proposed algorithm is based on opportunistic feedback and channel information measured by each relay. The channel information controls the feedback parameter which affects the performance of system. Simulation result verifies performance of the proposed algorithm.