2 papers
cs.CR2026
RadKey: An LLM-Guided RF Backscatter System for Through-Wall Keystroke Inference
Qijun Wang, Chunqi Qian, Huacheng Zeng
In today's digitally connected world, keyboards remain the primary interface for inputting sensitive information, making them a persistent target for eavesdropping attacks. While p…
cs.NI2026
RadEar: A Self-Supervised RF Backscatter System for Voice Eavesdropping and Separation
Qijun Wang, Peihao Yan, Chunqi Qian +1
Eavesdropping on voice conversations presents a growing threat to personal privacy and information security. In this paper, we present RadEar, a novel RF backscatter-based system d…