Estimation of Sparse Channels in Millimeter-Wave MU-MIMO Systems

This paper considers a channel estimation scheme for millimeter-wave multiuser multiple-input multiple-output systems. According to the proposed method, parts of the beams are selected and the channel parameters are estimated according to the sparsity of channels and the orthogonality of the beams....

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Published in:KSII transactions on Internet and information systems 2016, 10(5), , pp.2102-2123
Main Author: Anzhong Hu
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Language:English
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컴퓨터학
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description This paper considers a channel estimation scheme for millimeter-wave multiuser multiple-input multiple-output systems. According to the proposed method, parts of the beams are selected and the channel parameters are estimated according to the sparsity of channels and the orthogonality of the beams. Since the beams for each channel become distinct and the signal power increases with the increased number of antennas, the proposed approach is able to achieve good estimation performance. As a result, the sum rate can be increased in comparison with traditional approaches, and channels can be estimated with fewer pilot symbols. Numerical results verify that the proposed approach outperforms traditional approaches in cases with large numbers of antennas. KCI Citation Count: 2
doi_str_mv 10.3837/tiis.2016.05.009
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title Estimation of Sparse Channels in Millimeter-Wave MU-MIMO Systems
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