5 papers
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…
Rascene: High-Fidelity 3D Scene Imaging with mmWave Communication Signals
Kunzhe Song, Geo Jie Zhou, Xiaoming Liu +1
Robust 3D environmental perception is critical for applications such as autonomous driving and robot navigation. However, optical sensors such as cameras and LiDAR often fail under…
Decoding Emotions: Unveiling Facial Expressions through Acoustic Sensing with Contrastive Attention
Guangjing Wang, Juexing Wang, Ce Zhou +4
Expression recognition holds great promise for applications such as content recommendation and mental healthcare by accurately detecting users' emotional states. Traditional method…
ChatTracer: Large Language Model Powered Real-time Bluetooth Device Tracking System
Qijun Wang, Shichen Zhang, Kunzhe Song +1
Large language models (LLMs) have transformed the way we interact with cyber technologies. In this paper, we study the possibility of connecting LLM with wireless sensor networks (…
Structured Reinforcement Learning for Delay-Optimal Data Transmission in Dense mmWave Networks
Shufan Wang, Guojun Xiong, Shichen Zhang +3
We study the data packet transmission problem (mmDPT) in dense cell-free millimeter wave (mmWave) networks, i.e., users sending data packet requests to access points (APs) via upli…