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Aug 2026

Matrix-Theoretic Design of Cycle-Aware Quasi-Cyclic LDPC Codes

Quasi-cyclic low-density parity-check (QC-LDPC) codes are widely adopted in modern communication standards due to their near-capacity performance and hardware-friendly structures. In this paper, we propose a matrix-theoretic, cycleaware framework for constructing QC-LDPC codes from arbitrary base matrices by systematic...

Qian-Fan Wang, Heng-Zhou Xu, Ji Zhang et al. · 0 citations
Aug 2026

Attention-Based Adaptive Rate Allocation for Semantic Communication

Semantic communication and deep joint sourcechannel coding (Deep JSCC) have emerged as promising AIenabled coding paradigms for next-generation wireless communications. For wireless image transmission, existing Deep JSCC methods can jointly optimize source representation and channel protection in an end-to-end manner....

Yi-Jing Xie, Yi-Wen Zhang, Ji Zhang et al. · 0 citations

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