Robust beamforming for relay-aided multiuser MIMO cognitive radio networks

Tianxiang Luan, Feifei Gao, Xian-Da Zhang, James C. F. Li, Ming Lei. Robust beamforming for relay-aided multiuser MIMO cognitive radio networks. In 2013 IEEE Wireless Communications and Networking Conference (WCNC), Shanghai, Shanghai, China, April 7-10, 2013. pages 2473-2477, IEEE, 2013. [doi]

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