6 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…
Sensing Security in Near-Field ISAC: Exploiting Scatterers for Eavesdropper Deception
Jiangong Chen, Xia Lei, Kaitao Meng +4
In this paper, we explore sensing security in near-field (NF) integrated sensing and communication (ISAC) scenarios by exploiting known scatterers in the sensing scene. We propose…
Integrated Sensing and Communication with Tri-Hybrid Beamforming Across Electromagnetically Reconfigurable Antennas
Jiangong Chen, Xia Lei, Yuchen Zhang +2
Beamforming with a sufficient number of antennas is one of the most significant technologies for both Multi-user (MU) Multiple-input Multiple-output (MIMO) communication and MIMO r…
Introducing Meta-Fiber into Stacked Intelligent Metasurfaces for MIMO Communications: A Low-Complexity Design with only Two Layers
Hong Niu, Jiancheng An, Tuo Wu +8
Stacked intelligent metasurfaces (SIMs), which integrate multiple programmable metasurface layers, have recently emerged as a promising technology for advanced wave-domain signal p…
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…
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…