A fixed-rate MIMO CSI codec using vector quantization plus a codeword and side-information conditioned diffusion decoder outperforms existing neural CSI compressors in rate-distortion simulations.
Neural discrete representation learning,
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Generative Diffusion Model-based Compression of MIMO CSI
A fixed-rate MIMO CSI codec using vector quantization plus a codeword and side-information conditioned diffusion decoder outperforms existing neural CSI compressors in rate-distortion simulations.