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Seokjung Kim, Sungsoo Park, and Daesik Hong, "Performance Analysis of Opportunistic Relaying Scheme with Outdated Channel Information," IEEE Trans. on Wireless Comm., Feb. 2013
[IEEE Trans. Wireless Commun.]
조회 49933
Status : | Published |
---|---|
Date : | 2013-02 |
Title : | Performance Analysis of Opportunistic Relaying Scheme with Outdated Channel Information |
Authors : | Seokjung Kim, Sungsoo Park, and Daesik Hong |
Journal : | IEEE Transactions on Wireless Communications |
Abstract : | In this paper, we investigate the effects of outdated channel state information (CSI) on an opportunistic relaying scheme (ORS) consisting of relay selection and data transmission. The outage probability and average symbol error rate (ASER) of the ORS are derived in a closed-form expression for an arbitrary link signal-to-noise ratio (SNR) when the CSIs in the source-relay and relay-destination links are outdated. We also analyze the diversity order and coding gain in terms of the outage probability and ASER. Analytical and numerical results show that when the CSIs in either the source-relay or relay-destination links are outdated, the diversity order is reduced to one. The overall performance of the ORS is mainly degraded by inaccurate CSI in the relay-destination link. Conversely, CSI accuracy in the source-relay link has a negligible effect on the performance of the ORS unless the CSI is perfect. |
URL : | http://ieeexplore.ieee.org/xpl/articleDe...er=6410085 |
Download : | http://mirinae.yonsei.ac.kr/?module=file...46abc0d303 |
Seokjung Kim; Sungsoo Park; Daesik Hong, "Performance Analysis of Opportunistic Relaying Scheme with Outdated Channel Information," Wireless Communications, IEEE Transactions on , vol.12, no.2, pp.538,549, February 2013
doi: 10.1109/TWC.2012.122212.111556
keywords: {channel coding;diversity reception;numerical analysis;probability;radio links;relay networks (telecommunication);wireless channels;ASER;CSI;ORS;SNR;arbitrary link signal-to-noise ratio;average symbol error rate;closed-form expression;coding gain;data transmission phasing;diversity order analysis;opportunistic relaying scheme selection;outage probability;outdated channel state information;performance analysis;relay-destination link;source-relay link;Approximation methods;Data communication;Decoding;Encoding;Modulation;Relays;Signal to noise ratio;Opportunistic relaying scheme;average symbol error rate;coding gain;diversity gain;outage probability;outdated channel information},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6410085&isnumber=6472806
doi: 10.1109/TWC.2012.122212.111556
keywords: {channel coding;diversity reception;numerical analysis;probability;radio links;relay networks (telecommunication);wireless channels;ASER;CSI;ORS;SNR;arbitrary link signal-to-noise ratio;average symbol error rate;closed-form expression;coding gain;data transmission phasing;diversity order analysis;opportunistic relaying scheme selection;outage probability;outdated channel state information;performance analysis;relay-destination link;source-relay link;Approximation methods;Data communication;Decoding;Encoding;Modulation;Relays;Signal to noise ratio;Opportunistic relaying scheme;average symbol error rate;coding gain;diversity gain;outage probability;outdated channel information},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6410085&isnumber=6472806
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