A.Bletsas

C. Y.Yang

J. H.Wen

J.Shi

Cooperative system is a tendency in the future communications because it provides a spatial diversity to improve the system performance. This work considers the cooperative communication systems in Fixed DF Mode. The scenario includes multiple source stations, multiple relay stations and multiple destination stations. For the whole system, the maximum throughput approaching is the major purpose. Hence, to select the relay stations for signal transmission could be the important scheme to achieve the optimal system performance. With the exhaustive search method, easily to realize, the optimal selection scheme could be found with a highly complicated calculation. In order to reduce the computational complexity, a relay selection scheme is proposed. With different situations of the communication systems, the performances evaluations obtained with both the proposed algorithm and the exhaustive search method are given for comparison. It shows the proposed algorithm could provide a solution approaches to the optimal one. It could apply the proposed scheme to the practical without a delay because of long-time calculation.</p

Jyh-Horng Wen

Jheng-Sian Li

Hsiang-Shan Hou

Cheng-Ying Yang

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International Journal of Mobile Computing and Multimedia Communications

Relay Selection Scheme for Cooperative Communication Systems in Fixed Decode-and-Forward Mode

Relay Selection Scheme for Cooperative Communication Systems in Fixed Decode-and-Forward Mode

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