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CoFi-CLM: A Coarse-to-Fine Channel Language Model for Finite-Bit CSI Feedback

Zhang, Chao et al.
arXiv (OAI Expanded) · Papers
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signal-processing
In frequency-division duplex massive multiple-input multiple-output (MIMO) systems, the user equipment (UE) must convey high-dimensional downlink channel state information (CSI) under a stringent finite-bit feedback budget. Deep learning (DL) has emerged as a powerful tool for CSI compression due to
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