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A relay selection scheme for IR-UWB networks based on distance information

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4 Author(s)
Yuanyuan Yang ; Sch. of Inf. Sci. & Eng., Shandong Univ., Jinan, China ; Deqiang Wang ; Man Li ; Yunxia Song

In multiple-relay cooperative wireless networks, opportunistic relaying is a promising scheme, where the most challenging problem is to choose the best relay efficiently. The traditional opportunistic relay selection scheme is based on the channel conditions of source-relay (S-R) and relay-destination (R-D) links. In comparison with conventional narrowband networks, an appealing merit of impulse radio based ultra-wideband (IR-UWB) networks is their inherent ranging/positioning ability. In this paper, we focus on IR-UWB cooperative networks and propose a distributed opportunistic relay selection algorithm based on the distance information of S-R and R-D links. Simulation results reveal that good performance can be achieved by using our proposed scheme.

Published in:

Information Theory and Information Security (ICITIS), 2010 IEEE International Conference on

Date of Conference:

17-19 Dec. 2010