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application/pdfIEEEIEEE Wireless Communications Letters;2020;9;3;10.1109/LWC.2019.2953265Channel estimationmultiple-input multiple-output (MIMO)real-valued transformationsparse Bayesian learning (SBL)off-grid refinementReal-Valued Sparse Bayesian Learning Approach for Massive MIMO Channel EstimationLei ZhouZheng CaoJisheng Dai
IEEE Wireless Communications Letters311 March 20203910.1109/LWC.2019.2953265315
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