2 papers
cs.NI2026
Advancing Fluid Antenna-Assisted Non-Terrestrial Networks in 6G and Beyond: Fundamentals, State of the Art, and Future Directions
Tianheng Xu, Runke Fan, Jie Zhu +6
With the surging demand for ultra-reliable, low-latency, and ubiquitous connectivity in Sixth-Generation (6G) networks, Non-Terrestrial Networks (NTNs) emerge as a key complement t…
cs.CR2025
Uncertain Location Transmitter and UAV-Aided Warden Based LEO Satellite Covert Communication Systems
Pei Peng, Xianfu Chen, Tianheng Xu +4
We propose a novel covert communication system in which a ground user, Alice, transmits unauthorized message fragments to Bob, a low-Earth orbit satellite (LEO), and an unmanned ae…