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IEICE TRANSACTIONS on Communications

Open Access
Machine Learning-Based Compensation Methods for Weight Matrices of SVD-MIMO

Kiminobu MAKINO, Takayuki NAKAGAWA, Naohiko IAI

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Summary :

This paper proposes and evaluates machine learning (ML)-based compensation methods for the transmit (Tx) weight matrices of actual singular value decomposition (SVD)-multiple-input and multiple-output (MIMO) transmissions. These methods train ML models and compensate the Tx weight matrices by using a large amount of training data created from statistical distributions. Moreover, this paper proposes simplified channel metrics based on the channel quality of actual SVD-MIMO transmissions to evaluate compensation performance. The optimal parameters are determined from many ML parameters by using the metrics, and the metrics for this determination are evaluated. Finally, a comprehensive computer simulation shows that the optimal parameters improve performance by up to 7.0dB compared with the conventional method.

Publication
IEICE TRANSACTIONS on Communications Vol.E106-B No.12 pp.1441-1454
Publication Date
2023/12/01
Publicized
2023/07/24
Online ISSN
1745-1345
DOI
10.1587/transcom.2023EBP3033
Type of Manuscript
PAPER
Category
Antennas and Propagation

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