Design on the Interference Alignment Transceiver for Multi-Cell MIMO Downlink Channels 


Vol. 37,  No. 10, pp. 921-928, Oct.  2012


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  Abstract

In this paper, we propose a novel interference alignment transceiver for multi-cell MIMO downlink channels with arbitrary number of cells and users per cell. We design the receive beamformer to align the interference from undesired base stations to the effective inter-cell interference (ICI) channels. Subsequently, we design the transmit precoder which can nulllify the interference from the corresponding base station. The proposed transceiver design can attain the degrees of freedom (DOF) equal to the number of streams per user. Accordingly, we investigate conditions for the antenna configuration. From numerical results, we confirm that the proposed transceiver design can achieve higher DOF than the conventional scheme under equal antenna configuration.

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  Cite this article

[IEEE Style]

H. Lee and Y. Ko, "Design on the Interference Alignment Transceiver for Multi-Cell MIMO Downlink Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 921-928, 2012. DOI: .

[ACM Style]

Hyun-Ho Lee and Young-Chai Ko. 2012. Design on the Interference Alignment Transceiver for Multi-Cell MIMO Downlink Channels. The Journal of Korean Institute of Communications and Information Sciences, 37, 10, (2012), 921-928. DOI: .

[KICS Style]

Hyun-Ho Lee and Young-Chai Ko, "Design on the Interference Alignment Transceiver for Multi-Cell MIMO Downlink Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 921-928, 10. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880