PolarQuant-- optimal Gaussian quantization via Walsh-Hadamard rotation + Lloyd-Max centroids. Achieves near-lossless compression (PPL 6.39 vs 6.37 FP16) with 2.75x VRAM reduction.
Abstract: Logarithmic binary arithmetic coding (LBAC) is a entropy coding method first introduced in AVS2 and now used in the third generation of audio video coding standard (AVS3). While LBAC ...
CSI Compression Beyond Latents: End-to-End Hybrid Attention-CNN Networks with Entropy Regularization
Abstract: Massive MIMO systems rely on accurate Channel State Information (CSI) feedback to enable high-gain beamforming. However, the feedback overhead scales linearly with the number of antennas, ...
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