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cs.IT2026
Feedback Coding Enables Inference-Time Covert Agentic Communication
Sidong Guo, Sajani Vithana, Atefeh Gilani +3
As large language models (LLMs) are increasingly used to automate digital interactions, users can leverage LLM-generated text as cover for covert communication within seemingly ben…
cs.IT2026
Covert Multi-bit LLM Watermarking: An Information Theory and Coding Approach
Sidong Guo, Tyler Kann, Teodora Baluta +1
We study the problem of multi-bit watermarking for non-autoregressive large language models (LLMs). We introduce an information-theoretic model inspired by diffusion language model…
cs.IT2026
Secure Integrated Sensing and Communication against Communication and Sensing Eavesdropping
Sidong Guo, Matthieu R. Bloch
Sensing privacy and communication confidentiality play fundamentally different but interconnected roles in adversarial wireless environments. Capturing this interplay within a sing…