Superposition Coding Based Wireless Network Coding Scheme for Two-Way Cooperative Relaying
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概要
- 論文の詳細を見る
Recent advances in cooperative communication and wireless Network Coding (NC) may lead to huge performance gains in relay systems. In this context, we focus on the two-way relay scenario, where two nodes exchange information via a common relay. We design a practical Superposition Coding (SC) based NC scheme for Decode-and-Forward (DF) half-duplex relaying, where the goal is to increase the achievable rate. By taking advantage of the direct link and by providing a suboptimal yet efficient power division among the superposed layers, our proposed SC two-way relaying scheme outperforms the reference schemes, including the well-known 3-step DF-NC scheme and the capacity of 2-step schemes for a large set of SNRs, while approaching closely the performance bound.
- （社）電子情報通信学会の論文
- 2010-12-01
著者
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SAKAI Hideaki
Graduate School of Engineering, Gunma University
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HAYASHI Kazunori
Graduate School of Informatics, Kyoto University
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Kaneko Megumi
Graduate School of Informatics, Kyoto University
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Hayashi Kazunori
Graduate School Of Informatics Kyoto University
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Hayashi Kazunori
Graduate School Of Engineering Osaka University
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Kaneko Megumi
Graduate School Of Informatics Kyoto University
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Sakai Hideaki
Graduate School Of Engineering Gunma University
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