Self-Interference Cancellation-Aided Relay Beamforming for Multi-Way Relaying Systems 


Vol. 38,  No. 4, pp. 378-386, Apr.  2013


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  Abstract

In this paper, we propose a multi-way relaying system, in which N communicating nodes interchange their information one another by the help of a multiple-antenna non-regenerative relay station (RS). While the conventional multi-way relaying requires 2N transmission phases to complete the data exchange, the proposed system completes the mission with N phases composed of one multiple access phase and N-1 broadcast phases. For effective broadcast transmission, the proposed system pairs users for signal transmission with a new RS beamforming matrix not to interfere with the nodes of different pairs and a self-interference canceler at each node. The performance evaluation in terms of the average sum rate shows that the proposed system outperforms the conventional one with more significant gain when the number of RS antennas is comparable to the number of communicating nodes. The proposed schemes can be applicable to marine communications where the ships need to share their information with extended coverage.

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  Cite this article

[IEEE Style]

A. D. Le, J. B. Park, Y. O. Cho, M. A. Jeong, S. R. Lee, Y. H. Kim, "Self-Interference Cancellation-Aided Relay Beamforming for Multi-Way Relaying Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 378-386, 2013. DOI: .

[ACM Style]

Anh Duc Le, Jin Bae Park, Yong Ok Cho, Min A Jeong, Seong Ro Lee, and Yun Hee Kim. 2013. Self-Interference Cancellation-Aided Relay Beamforming for Multi-Way Relaying Systems. The Journal of Korean Institute of Communications and Information Sciences, 38, 4, (2013), 378-386. DOI: .

[KICS Style]

Anh Duc Le, Jin Bae Park, Yong Ok Cho, Min A Jeong, Seong Ro Lee, Yun Hee Kim, "Self-Interference Cancellation-Aided Relay Beamforming for Multi-Way Relaying Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 378-386, 4. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880