Optimal user pairing in downlink multi user-multiple input multiple output with correlation method

In this paper, we propose a correlation method for optimal user pairing in downlink Multi User-Multiple Input Multiple Output (MU-MIMO). The method involves selection of the first and best user from all the K users, and then the second user, chosen to be orthogonal based on the correlation between t...

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Bibliographic Details
Published in2012 5th International Conference on Biomedical Engineering and Informatics pp. 1481 - 1485
Main Authors Yamindi, Jean-Baptiste, Ji, Hong, Muqing, Wu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2012
Subjects
Capacity
Channel estimation
Correlation
Downlink
Frequency estimation
Frequency-domain analysis
MU-MIMO
orthogonal
Precoding
Receiving antennas
Scheduling and beamforming
Signal to noise ratio
Transmitting antennas
Vectors
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ISBN9781467311830
1467311839
DOI10.1109/BMEI.2012.6513122

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Summary:In this paper, we propose a correlation method for optimal user pairing in downlink Multi User-Multiple Input Multiple Output (MU-MIMO). The method involves selection of the first and best user from all the K users, and then the second user, chosen to be orthogonal based on the correlation between two users. The MU-MIMO performance is optimized under a particular fairness criterion. The simulation results indicate that the proposed correlation method is better than the traditional user pairing method to improve the MU-MIMO performance.
ISBN:9781467311830
1467311839
DOI:10.1109/BMEI.2012.6513122