5 papers
Tri-Hybrid Beamforming Design for ISAC Systems with Reconfigurable Antennas
Jiangong Chen, Xia Lei, Yuchen Zhang +2
Integrated Sensing and Communication (ISAC) systems require efficient beamforming architectures to jointly support communication and sensing functionalities. To reduce hardware ove…
Artificial Noise Versus Artificial Noise Elimination: Redefining Scaling Laws of Physical Layer Security
Hong Niu, Tuo Wu, Xia Lei +4
Artificial noise (AN) is a key physical-layer security scheme for wireless communications over multiple-input multiple-output wiretap channels. Recently, artificial noise eliminati…
A Survey on Artificial Noise for Physical Layer Security: Opportunities, Technologies, Guidelines, Advances, and Trends
Hong Niu, Yue Xiao, Xia Lei +4
Due to the broadcast nature of wireless communications, physical-layer security has attracted increasing concerns from both academia and industry. Artificial noise (AN), as one of…
Pinching-Antenna-Assisted Index Modulation: Channel Modeling, Transceiver Design, and Performance Analysis
Shuaixin Yang, Yijia Li, Yue Xiao +3
In this paper, a novel pinching-antenna assisted index modulation (PA-IM) scheme is proposed for improving the spectral efficiency without increasing the hardware complexity, where…
Hybrid Beamforming for RIS-Assisted Multiuser Fluid Antenna Systems
Jiangong Chen, Yue Xiao, Zhendong Peng +4
Recent advances in reconfigurable antennas have led to the new concept of the fluid antenna system (FAS) for shape and position flexibility, as another degree of freedom for wirele…