H-TokCom groups tokens by semantic similarity and protects cluster-level bits with higher power, raising semantic similarity from 0.206 to 0.279 at 3 dB SNR on COCO data.
Token-domain multiple access: Exploiting semantic orthogonality for collision mitigation
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Semantics-Aware Hierarchical Token Communication: Clustering, Bit Mapping, and Power Allocation
H-TokCom groups tokens by semantic similarity and protects cluster-level bits with higher power, raising semantic similarity from 0.206 to 0.279 at 3 dB SNR on COCO data.