Sparsity Learning-Based CSI Feedback for FDD Massive MIMO Systems
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DOI: 10.1109/lwc.2020.3038893
Abstract: In frequency-division duplexing mode, accurate channel state information (CSI) needs to be acquired at the base station by feedback from the terminals. However, the costly feedback overhead generated by large-scale arrays poses an arduous challenge… read more here.
Keywords: csi feedback; based csi; mimo systems; learning based ... See more keywords
EVCsiNet: Eigenvector-Based CSI Feedback Under 3GPP Link-Level Channels
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DOI: 10.1109/lwc.2021.3112747
Abstract: Recently, deep learning based methods have been widely used for wireless communications. In this letter, different from current researches considering full channel state information (F-CSI) feedback, the eigenvector based CSI feedback with deep learning approach… read more here.
Keywords: based csi; eigenvector based; feedback; csi feedback ... See more keywords