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arXiv · 2106.02811

Full-Dimensional Rate Enhancement for UAV-Enabled Communications via Intelligent Omni-Surface

Yifan Liu·Bin Duo·Qingqing Wu·Xiaojun Yuan·Yonghui Li
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Abstract

This paper investigates the achievable rate maximization problem of a downlink unmanned aerial vehicle (UAV)-enabled communication system aided by an intelligent omni-surface (IOS). Different from the state-of-the-art reconfigurable intelligent surface (RIS) that only reflects incident signals, the IOS can simultaneously reflect and transmit the signals, thereby providing full-dimensional rate enhancement. To tackle such a problem, we formulate it by jointly optimizing the IOS's phase shift and the UAV trajectory. Although it is difficult to solve it optimally due to its non-convexity, we propose an efficient iterative algorithm to obtain a high-quality suboptimal solution. Simulation results show that the IOS-assisted UAV communications can achieve more significant improvement in achievable rates than other benchmark schemes.

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Yifan Liu, Bin Duo, Qingqing Wu, Xiaojun Yuan, Yonghui Li. 2021-06-05. Full-Dimensional Rate Enhancement for UAV-Enabled Communications via Intelligent Omni-Surface. https://doi.org/10.1109/lwc.2022.3189359.

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