6 papers
Practical Wi-Fi-based Motion Recognition Under Variable Traffic Patterns
Guolin Yin, Junqing Zhang, Guanxiong Shen +1
Wi-Fi sensing detects human motions and activities by analysing the channel state information (CSI) derived from Wi-Fi transmissions. However, the impact of variable transmission t…
Generalizable and Interpretable RF Fingerprinting with Shapelet-Enhanced Large Language Models
Tianya Zhao, Junqing Zhang, Haowen Xu +3
Deep neural networks (DNNs) have achieved remarkable success in radio frequency (RF) fingerprinting for wireless device authentication. However, their practical deployment faces tw…
Securing Cross-Domain Internet of Drones: An RFF-PUF Allied Authenticated Key Exchange Protocol With Over-the-Air Enrollment
Xuanyu Chen, Yue Zheng, Junqing Zhang +2
The Internet of Drones (IoD) is an emerging and crucial paradigm enabling advanced applications that require seamless, secure communication across heterogeneous and untrusted domai…
Exploring Spatial-Temporal Representation via Star Graph for mmWave Radar-based Human Activity Recognition
Senhao Gao, Junqing Zhang, Luoyu Mei +2
Human activity recognition (HAR) requires extracting accurate spatial-temporal features with human movements. A mmWave radar point cloud-based HAR system suffers from sparsity and…
Adversarial Attacks Against Deep Learning-Based Radio Frequency Fingerprint Identification
Jie Ma, Junqing Zhang, Guanxiong Shen +2
Radio frequency fingerprint identification (RFFI) is an emerging technique for the lightweight authentication of wireless Internet of things (IoT) devices. RFFI exploits deep learn…
Protocol-agnostic and Data-free Backdoor Attacks on Pre-trained Models in RF Fingerprinting
Tianya Zhao, Ningning Wang, Junqing Zhang +1
While supervised deep neural networks (DNNs) have proven effective for device authentication via radio frequency (RF) fingerprinting, they are hindered by domain shift issues and t…