3 papers
cs.CR2026
SkillWatermark: An Embedded Skill Watermark of Progressive Privacy Inference via Benign Prompts
Yu Li, Liqi Zhuang, Dong Wei +5
Skills for large language model (LLM) agents have been widely deployed across diverse application domains. However, we observe that these skills generate specific traffic patterns…
cs.CR2026
Robust and Precise Application Fingerprinting on 5G Physical Uplink Channel
Yu Li, Liqi Zhuang, Dong Wei +5
Air fingerprinting infers application activity by sniffing metadata from cellular control channels. 5G encrypts these channels, breaking the attack chain that prior attacks depend…
eess.SP2025
Passive Multi-Target Visible Light Positioning Based on Multi-Camera Joint Optimization
Wenxuan Pan, Yang Yang, Dong Wei +2
Camera-based visible light positioning (VLP) has emerged as a promising indoor positioning technique. However, the need for dedicated luminaire infrastructure and on-target cameras…