Movable-Antenna Array Empowered ISAC Systems for Low-Altitude Economy

Ziming Kuang1,2; Wenchao Liu3; Chunjie Wang1,2; Zhenzhen Jin3; Jinke Ren4; Xuhui Zhang4; Yanyan Shen1,5

10.1109/ICCCWorkshops62562.2024.10693833

2024-08-09

2474-9133

979-8-3503-7768-2

2024 IEEE/CIC International Conference on Communications in China (ICCC Workshops)

7-9 Aug. 2024

Hangzhou, China

This paper investigates a movable-antenna (MA) array empowered integrated sensing and communications (ISAC) over low-altitude platform (LAP) system to support low-altitude economy (LAE) applications. In the considered system, an un-manned aerial vehicle (UAV) is dispatched to hover in the air, working as the UAV-enabled LAP (ULAP) to provide information transmission and sensing simultaneously for LAE applications. To improve the throughput capacity and meet the requirement of the sensing beampattern threshold, we formulate a data rate max-imization problem by jointly optimizing the transmit information and sensing beamforming, and the antenna positions of the MA array. Since the data rate maximization problem is non-convex with highly coupled variables, we propose an efficient alternation optimization based algorithm, which iteratively optimizes parts of the variables while fixing the others. Numerical results show the superiority of the proposed MA array-based scheme in terms of the achievable data rate and beamforming gain compared with two benchmark schemes.

其他

1.Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
2.University of Chinese Academy of Sciences, Beijing, China
3.Southern University of Science and Technology, Shenzhen, China
4.The Shenzhen Future Network of Intelligence Institute and School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China
5.Shenzhen University of Advanced Technology, Shenzhen, China

Ziming Kuang,Wenchao Liu,Chunjie Wang,et al. Movable-Antenna Array Empowered ISAC Systems for Low-Altitude Economy[C],2024.