9 papers
Beamforming and Trajectory Optimization for Aerial RIS-Aided Secure ISAC via Model Predictive Control
Zhendong Li, Zesheng Zhang, Zhou Su +3
This paper proposes a novel aerial reconfigurable intelligent surface (RIS)-aided secure integrated sensing and communication (ISAC) architecture. An unmanned aerial vehicle (UAV)-…
Broadband LEO Satellite Constellations for Next-Generation Navigation: Potentials, Enabling Technologies, and Challenges
Zhendong Li, Mingze Zhu, Jiahao Liu +4
The rapid deployment of broadband low Earth orbit (LEO) constellations provides new opportunities for next-generation navigation. Compared with conventional global navigation satel…
A Tutorial on Movable Antenna-Enabled ISAC Systems: Fundamentals, Parameter Estimation, and Security Issues
Zhendong Li, Zhou Su, Jianle Ba +14
Movable antenna (MA) technology has recently emerged as a promising paradigm for enhancing the flexibility and performance of wireless systems by allowing antennas to dynamically a…
RIS-Assisted Secure ISAC: Fundamentals, Applications, and Future Directions
Zhendong Li, Jinyuan Huang, Weichun Zhao +3
Integrated sensing and communication (ISAC) has emerged as a key enabler for sixth-generation (6G) networks, yet its broadcast nature at the physical layer leaves transmissions vul…
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…
Channel Estimation for Movable Antenna Systems: Challenges, Solutions, and Opportunities
Linchu Chen, Zhendong Li, Zile Zou +5
Movable antenna (MA) has emerged as a promising technology for future wireless networks by exploiting channel variation over local antenna movement regions. However, accurate and e…
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…
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.…
Constrained Tensor Decomposition-Based Target Sensing for Sparse Non-Uniform Array-Enabled AFDM ISAC Systems
Linchu Chen, Zhendong Li, Lin Chen +3
Sparse non-uniform array-enabled affine frequency division multiplexing (AFDM) is a promising candidate for integrated sensing and communication (ISAC), while its performance criti…