34 papers · 1 filter
Beyond Beamforming: Phase-and-Gain Channel Shaping via Rotatable Antenna Arrays
Xingxiang Peng, Qingqing Wu, Ziyuan Zheng +2
This paper investigates geometry-reconfigurable transmission for multiuser communication systems enabled by a rotatable antenna array. In contrast to conventional fixed arrays, the…
Sensing for Reliable UAV Communication: Robust Trajectory and Resource Optimization in Low-Altitude Networks
Yifan Jiang, Qingqing Wu, Hongxun Hui +3
In low-altitude wireless networks, sensing-aided communication has emerged as a promising integrated sensing and communication (ISAC) paradigm for unmanned aerial vehicle (UAV) tra…
Low-Altitude UAV Tracking via Sensing-Assisted Predictive Beamforming
Yifan Jiang, Qingqing Wu, Hongxun Hui +2
Sensing-assisted predictive beamforming shows significant promise for enhancing various future unmanned aerial vehicle (UAV) applications in integrated sensing and communication (I…
Two-Timescale Design for Rotatable-Antenna Systems With Imperfect CSI: Rate Analysis and Orientation Optimization
Ziyuan Zheng, Qingqing Wu, Wen Chen
This paper studies uplink multiuser MIMO with a rotatable antenna (RA) array under imperfect channel state information (CSI), where each base-station antenna can adjust its boresig…
Rotatable IRS Aided Wireless Communication
Qiaoyan Peng, Qingqing Wu, Guangji Chen +4
Rotatable intelligent reflecting surface (IRS) introduces a new spatial degree of freedom (DoF) by dynamically adjusting orientations without the need of changing its elements' pos…
Low-Altitude ISAC with Rotatable Active and Passive Arrays
Ziyuan Zheng, Qingqing Wu, Yanze Zhu +4
This paper investigates a low-altitude integrated sensing and communication (ISAC) system that leverages cooperative rotatable active and passive arrays. We consider a downlink sce…