Communications and Network

Volume 2, Issue 2 (May 2010)

ISSN Print: 1949-2421   ISSN Online: 1947-3826

Google-based Impact Factor: 0.63  Citations  

Performance Analysis of a Threshold-Based Relay Selection Algorithm in Wireless Networks

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DOI: 10.4236/cn.2010.22014    5,705 Downloads   10,005 Views  Citations
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ABSTRACT

Relay selection is an effective method to realize the cooperative diversity gain in wireless networks. In this paper, we study a threshold-based single relay selection algorithm. A reasonable threshold value is set at each relay node, and the first relay with the instantaneous channel gain larger than the threshold will be se-lected to cooperate with the source. The exact and closed form expression for its outage probability is de-rived over independent, non-identically distributed (i. n. i. d) Rayleigh channels. The complexity of the algo-rithm is also analyzed in detail. Simulation results are presented to verify our theoretical analysis.

Share and Cite:

H. Niu, T. Zhang and L. Sun, "Performance Analysis of a Threshold-Based Relay Selection Algorithm in Wireless Networks," Communications and Network, Vol. 2 No. 2, 2010, pp. 87-92. doi: 10.4236/cn.2010.22014.

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