Optimal duplex mode for DF relay in terms of the outage probability

Taehoon Kwon; Sungmook Lim; Sooyong Choi; Daesik Hong

doi:10.1109/TVT.2010.2050503

Optimal duplex mode for DF relay in terms of the outage probability

Taehoon Kwon, Sungmook Lim, Sooyong Choi, Daesik Hong

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

192 Citations (Scopus)

Abstract

This paper deals with a full-duplex relay (FDR) system over Rayleigh fading channels. The exact outage probability of FDR is derived as a closed form to consider interferences from full duplex. Then, we obtain the conditions of the signal-to-noise ratio (SNR) and the signal to interface ratios (SIRs) for cases of FDR showing a lower outage probability than that of the half-duplex relay (HDR) system under the target outage probability. According to this condition, FDR is superior to HDR with lower SIRs in the low-SNR region rather than in the high-SNR region. In addition, the target outage probability is only satisfied when the SNR and SIRs are within the boundaries. These boundaries vary due to the target rate, the channel states of each link, and the target outage probability.

Original language	English
Article number	5466077
Pages (from-to)	3628-3634
Number of pages	7
Journal	IEEE Transactions on Vehicular Technology
Volume	59
Issue number	7
DOIs	https://doi.org/10.1109/TVT.2010.2050503
Publication status	Published - 2010 Sept

All Science Journal Classification (ASJC) codes

Automotive Engineering
Aerospace Engineering
Electrical and Electronic Engineering
Applied Mathematics

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Cite this

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Optimal duplex mode for DF relay in terms of the outage probability

Abstract

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