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UAV-Enabled Wireless Networks with Movable-Antenna Array: Flexible Beamforming and Trajectory Design

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arxiv 2405.20746 v2 pith:N5TFQRWQ submitted 2024-05-31 eess.SP

Wenchao Liu , Xuhui Zhang , Huijun Xing , Jinke Ren , Yanyan Shen , Shuguang Cui This is my paper · ORCID
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Recently, movable antenna (MA) array becomes a promising technology for improving the communication quality in wireless communication systems. In this letter, an unmanned aerial vehicle (UAV) enabled multi-user multi-input-single-output system enhanced by the MA array is investigated. To enhance the throughput capacity, we aim to maximize the achievable data rate by jointly optimizing the transmit beamforming, the UAV trajectory, and the positions of the MA array antennas. The formulated data rate maximization problem is a highly coupled non-convex problem, for which an alternating optimization based algorithm is proposed to get a sub-optimal solution. Numerical results have demonstrated the performance gain of the proposed method compared with conventional method with fixed-position antenna array.

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Cited by 1 Pith paper

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  1. Multiuser Communications Aided by Cross-Linked Movable Antenna Array: Architecture and Optimization

    cs.IT 2025-05 conditional novelty 6.0 of 10

    A cross-linked movable antenna array with M+N motors achieves multiuser transmit power within about 2 dB of the theoretical lower bound and within 1 dB of element-wise movable antenna systems.

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