9 papers
RAGent: Physics-Aware Agentic Reasoning for Training-Free mmWave Human Activity Recognition
Mingda Han, Huanqi Yang, Zehua Sun +6
Millimeter-wave (mmWave) radar enables privacy-preserving human activity recognition (HAR), yet real-world deployment remains hindered by costly annotation and poor transferability…
VoxAnchor: Grounding Speech Authenticity in Throat Vibration via mmWave Radar
Mingda Han, Huanqi Yang, Chaoqun Li +6
Rapid advances in speech synthesis and audio editing have made realistic forgeries increasingly accessible, yet existing detection methods remain vulnerable to tampering or depend…
PowerLens: Taming LLM Agents for Safe and Personalized Mobile Power Management
Xingyu Feng, Chang Sun, Yuzhu Wang +5
Battery life remains a critical challenge for mobile devices, yet existing power management mechanisms rely on static rules or coarse-grained heuristics that ignore user activities…
AegisAgent: An Autonomous Defense Agent Against Prompt Injection Attacks in LLM-HARs
Yihan Wang, Huanqi Yang, Shantanu Pal +1
The integration of Large Language Models (LLMs) into wearable sensing is creating a new class of mobile applications capable of nuanced human activity understanding. However, the r…
EmbedGenius: Towards Automated Software Development for Generic Embedded IoT Systems
Huanqi Yang, Mingzhe Li, Mingda Han +2
Embedded IoT system development is crucial for enabling seamless connectivity and functionality across a wide range of applications. However, such a complex process requires cross-…
RF Sensing Security and Malicious Exploitation: A Comprehensive Survey
Mingda Han, Huanqi Yang, Wenhao Li +4
Radio Frequency (RF) sensing technologies have experienced significant growth due to the widespread adoption of RF devices and the Internet of Things (IoT). These technologies enab…