Abstract: Efficient channel estimation and beamforming in the upper mid-band spectrum pose a fundamental challenge for 6G base stations (BSs). This requires practical beam management techniques that ...
Abstract: In this paper, we propose a damped beam structured channel estimation (DBSCE) for massive multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. Based ...
How does the brain clean itself during sleep? A new ultrafast MRI method tracks cerebrospinal fluid flow without contrast ...
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