5 papers
Geometry-Aware Cross-Height Channel Knowledge Map Prediction for UAV-Assisted Communications With Uncertainty-Guided 3D Sensing
Zhihan Zeng, Amir Hussain, Yue Xiu +4
Low-altitude Unmanned Aerial Vehicles (UAVs) often need to infer channel knowledge across a range of heights from only sparse observations collected at a few altitude layers. To ad…
Sparse Gain Radio Map Reconstruction With Geometry Priors and Uncertainty-Guided Measurement Selection
Zhihan Zeng, Ning Wei, Muhammad Baqer Mollah +5
Radio maps are important for environment-aware wireless communication, network planning, and radio resource optimization. However, dense radio map construction remains challenging…
Meta-Reinforcement Learning Optimization for Movable Antenna-aided Full-Duplex CF-DFRC Systems with Carrier Frequency Offset
Yue Xiu, Wanting Lyu, You Li +5
By enabling spectrum sharing between radar and communication operations, the cell-free dual-functional radar-communication (CF-DFRC) system is a promising candidate to significantl…
Secure Enhancement for RIS-Aided UAV with ISAC: Robust Design and Resource Allocation
Yue Xiu, Wanting Lyu, Phee Lep Yeoh +3
This paper analyses the security performance of a reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication system with integrated sensing and comm…
Improving Physical-Layer Security in ISAC-UAV System: Beamforming and Trajectory Optimization
Yue Xiu, Wanting Lyu, Phee Lep Yeoh +3
This paper investigates a novel unmanned aerial vehicle (UAV) secure communication system with integrated sensing and communications. We consider wireless security enhancement for…