3 papers
cs.CR2026
AmbShield: Enhancing Physical Layer Security with Ambient Backscatter Devices against Eavesdroppers
Yifan Zhang, Yishan Yang, Riku Jäntti +3
Passive eavesdropping compromises confidentiality in wireless networks, especially in resource-constrained environments where heavyweight cryptography is impractical. Physical laye…
cs.IT2024
Physical Layer Mutual Authentication in RIS-Aided Monostatic Backscatter Communications: A Dual-Edged Analysis
Masoud Kaveh, Farshad Rostami Ghadi, Yishan Yang +2
Backscatter communication (BC) emerges as a pivotal technology for ultra-low-power energy harvesting applications, but its practical deployment is often hampered by notable securit…
cs.IT2015
Artificial-Noise-Aided Physical Layer Phase Challenge-Response Authentication for Practical OFDM Transmission
Xiaofu Wu, Zhen Yan, Cong Ling +1
Recently, we have developed a PHYsical layer Phase Challenge-Response Authentication Scheme (PHY-PCRAS) for independent multicarrier transmission. In this paper, we make a further…