4 papers
Frequency Diverse (FD)-RIS-Enhanced Covert Communications: Defense Against Wiretapping via Joint Distance-Angle Beamforming
Han Xiao, Xiaoyan Hu, Wenjie Wang +3
In response to the security blind zone challenges faced by traditional reconfigurable intelligent surface (RIS)-aided covert communication (CC) systems, the joint distance-angle be…
Multi-Subarray FD-RIS Enhanced Multi-user Wireless Networks: With Joint Distance-Angle Beamforming
Han Xiao, Xiaoyan Hu, Wenjie Wang +3
The concept of the frequency diverse reconfigurable intelligent surface (FD-RIS) technology has been introduced, which can enable simultaneous implementation of distance-angle beam…
Robust Full-Space Physical Layer Security for STAR-RIS-Aided Wireless Networks: Eavesdropper with Uncertain Location and Channel
Han Xiao, Xiaoyan Hu, Ang Li +2
A robust full-space physical layer security (PLS) transmission scheme is proposed in this paper considering the full-space wiretapping challenge of wireless networks supported by s…
Frequency Diverse RIS (FD-RIS) Enhanced Wireless Communications via Joint Distance-Angle Beamforming
Han Xiao, Xiaoyan Hu, Wenjie Wang +2
The conventional reconfigurable intelligent surface (RIS) assisted far-field communication systems can only implement angle beamforming, which actually limits the capability for re…