Derives a robust reverse water-filling CSI compression scheme for massive MIMO-OFDM under covariance mismatch that improves end-to-end MSE over standard reverse water-filling in simulations.
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CSI Compression for Massive MIMO-OFDM: Mismatch-Aware Rate-Distortion Trade-offs
Derives a robust reverse water-filling CSI compression scheme for massive MIMO-OFDM under covariance mismatch that improves end-to-end MSE over standard reverse water-filling in simulations.