An attention network learns a linear MMSE filter for OFDM channel estimation, claiming major complexity savings, but the fixed-filter versus input-dependent-filter descriptions are contradictory.
Deep learning-based channel estimation,
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Learning MMSE Filters for OFDM Channel Estimation: Attention Transformer Gains at Linear Inference
An attention network learns a linear MMSE filter for OFDM channel estimation, claiming major complexity savings, but the fixed-filter versus input-dependent-filter descriptions are contradictory.