7 papers · 1 filter
Joint Beamforming Optimization and Dynamic Tracking in RIS-Enabled Secure ISAC Systems
Zhendong Li, Weichun Zhao, Zhou Su +5
This paper investigates a reconfigurable intelligent surface (RIS)-enabled secure integrated sensing and communication (ISAC) system, where the direct links between the base statio…
Dual-Layer Over-the-Air Federated Learning in LEO Satellite Networks: Architecture, Key Technologies and Applications
Zhendong Li, Shaojie Wang, Zhou Su +4
Low Earth orbit (LEO) satellite networks are emerging as a pivotal infrastructure for global edge intelligence. In this context, integrating over-the-air (OTA) computation with ada…
GML-Based Optimization for Movable Antenna Wireless Networks: Challenges and Opportunities
Zhendong Li, Yujie Zhao, Zhou Su +4
Movable antenna (MA) is proposed as an emerging technology for future wireless networks. By leveraging the additional spatial degrees of freedom, MA can proactively reshape the wir…
Antenna Positioning and Beamforming Optimization in MA Enabled Secure ISAC Systems: A Gradient-Based Meta Learning Approach
Zhendong Li, Yujie Zhao, Zhou Su +4
Integrated sensing and communications (ISAC) significantly improves spectral efficiency but introduces security risks regarding the interception of embedded communication signals.…
Tensor-Based Dynamic Channel Estimation for mmWave Movable Antenna MIMO Systems
Zhendong Li, Linchu Chen, Lin Chen +5
This paper investigates the dynamic channel estimation algorithm in mmWave movable antenna (MA) multiple-input multiple-output (MIMO) systems. To achieve highly accurate channel es…
Dual-IRS Aided Near-/Hybrid-Field SWIPT: Passive Beamforming and Independent Antenna Power Splitting Design
Chaoying Huang, Wen Chen, Qingqing Wu +4
This paper proposes a novel dual-intelligent reflecting surface (IRS) aided interference-limited simultaneous wireless information and power transfer (SWIPT) system with independen…
Max-Min Rate Optimization for Multigroup Multicast MISO Systems Via Novel Transmissive RIS Transceiver
Yuan Guo, Wen Chen, Qingqing Wu +4
This paper investigates a novel transmissive reconfigurable intelligent surface (RIS) transceiver architectureenabled multigroup multicast downlink communication system. Under this…