ICL-SEC: Iterative Cross-Layer Semantic Error Correction

[2608.15207] ICL-SEC: Iterative Cross-Layer Semantic Error Correction Skip to main content Search Submit Donate Log in Search arXiv Press Enter to search · Advanced search Computer Science > Information Theory arXiv:2608.15207 (cs) [Submitted on 15 Aug 2026] Title: ICL-SEC: Iterative Cross-Layer Semantic Error Correction Authors: Yirun Wang , Soung Chang Liew , Yuyang Du View a PDF of the paper titled ICL-SEC: Iterative Cross-Layer Semantic Error Correction, by Yirun Wang and 2 other authors View PDF HTML (experimental) Abstract: Iterative decoding has been central to the success of modern channel coding, where reliability information is repeatedly exchanged across decoding components to approach fundamental performance limits. This paper brings the same principle to semantic error correction by proposing iterative cross-layer semantic error correction (ICL-SEC), a framework that closes the loop between physical-layer soft channel decoder and application-layer language-model-empowered semantic decoder. In the proposed framework, a soft-input soft-output channel decoder first produces bit-level posterior probabilities, from which word-level reliabilities are derived. Words deemed reliable are exposed to a masked language model as semantic context, while unreliable words are masked. The language model then produces contextual word likelihoods, which are leveraged to generate extrinsic bit-level priors and fed back to the channel decoder for the next iteration. This iterative refinement progressively expands the set of confidently recovered words. A key contribution is our Confirm prior-update rule: once a word is judged reliable, its bits are assigned deterministic priors with probability one in subsequent iterations, making the word fully resolved side information for both the channel decoder and the language model. This successive-confirmation mechanism prevents oscillatory unmask-mask behavior and yields a reliability interpretation consistent across layers. Simulations over text transmission demonstrates that ICL-SEC substantially outperforms both conventional channel decoding and non-iterative CL-SEC. In particular, the proposed Confirm scheme reduces the bit error rate by more than two orders of magnitude relative to non-iterative CL-SEC, while also significantly improving the other five performance metrics. Subjects: Information Theory (cs.IT) ; Networking and Internet Architecture (cs.NI) Cite as: arXiv:2608.15207 [cs.IT] (or arXiv:2608.15207v1 [cs.IT] for this version) https://doi.org/10.48550/arXiv.2608.15207 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Yuyang Du [ view email ] [v1] Sat, 15 Aug 2026 12:46:04 UTC (404 KB) Full-text links: Access Paper: View a PDF of the paper titled ICL-SEC: Iterative Cross-Layer Semantic Error Correction, by Yirun Wang and 2 other authors View PDF HTML (experimental) TeX Source view license Current browse context: cs.IT < prev | next > new | recent | 2026-08 Change to browse by: cs cs.NI math math.IT References & Citations NASA ADS Google Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... 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