Angle-Delay Domain Hybrid Model-Driven and Data-Driven Downlink CSI Acquisition for FDD Massive MIMO Systems
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY（2025）
关键词
Estimation,Vectors,Symbols,Receiving antennas,OFDM,Downlink,Channel estimation,Massive MIMO,deep learning,low pilot overhead,angle-delay domain,CSI acquisition
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