6 papers
Rotatable Antenna Enabled Multi-Satellite Communications: Joint Satellite Selection and Boresight Trajectory Optimization
Xingxiang Peng, Qingqing Wu, Haiying Hu +2
This paper considers a satellite-to-ground communication system in which a ground station (GS) equipped with independently rotatable antenna (RA) elements jointly decodes independe…
Intelligent Reflecting Surface Deployment for Low-Altitude Coverage: Illumination Geometry, Directional Characteristics, and Optimization
Guoying Zhang, Qingqing Wu, Ailing Zheng +3
Terrestrial base stations (BSs) are typically configured with fixed downtilt to serve ground users, resulting in weak illumination of low-altitude airspace even under line-of-sight…
Sparse Rotatable Arrays (SRA): Unifying Array Aperture and Antenna Directivity for Wireless Communications
Ailing Zheng, Qingqing Wu, Xiyuan Liu +1
Sparse rotatable array (SRA) is a novel reconfigurable antenna architecture that jointly exploits sparse aperture configuration and antenna directivity to enhance spatial resolutio…
Active Sensing-assisted UAV Communications with Jittering: Framework and Performance Analysis
Guangji Chen, Long Shi, Qingqing Wu +2
Providing reliable communication for unmanned aerial vehicles (UAVs) via existing cellular networks is crucial for enabling the rapid growth of the low-altitude economy. However, U…
Rotatable Antenna Meets UAV: Towards Dual-Level Channel Reconfiguration Paradigm for ISAC
Shiying Chen, Guangji Chen, Long Shi +2
Integrated sensing and communication (ISAC) is viewed as a key enabler for future wireless networks by sharing the hardware and wireless resources between the functionalities of se…
Sum Capacity Characterization of Pinching Antennas-assisted Multiple Access Channels
Guangji Chen, Qingqing Wu, Kangda Zhi +2
Pinching antenna system (PASS) has recently shown its promising ability to flexibly reconfigure wireless channels via dynamically adjusting the positions of pinching antennas over…