| WANG Dong (王 东)*,XU Tengfei**,ZHENG Jing*.[J].高技术通讯(英文),2025,31(4):415~422 |
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| Energy-efficient beamforming and full-duplex jamming for securing UAV communications |
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| DOI：10. 3772 / j. issn. 1006-6748. 2025. 04. 011 |
| 中文关键词: |
| 英文关键词: physical layer security, unmanned aerial vehicle, beamforming, cooperative jamming |
| 基金项目: |
| Author Name | Affiliation | | WANG Dong (王 东)* | (* Army Arms University of PLA, Hefei 230031, P. R. China)
(** Beijing Institute of Systems Engineering and Information Control, Beijing 100072, P. R. China) | | XU Tengfei** | | | ZHENG Jing* | |
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| 中文摘要: |
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| 英文摘要: |
| Unmanned aerial vehicles (UAVs) are expected to be extensively applied in military and commercial fields, but the issues of information security and energy restrictions hinder such applications. To cope with these issues, joint beamforming and cooperative jamming are promising physicallayer technologies, which are advantageous in improving data rate, energy efficiency (EE), and information security. In this paper, the information security and EE in multi-antenna UAV communications are jointly considered by formulating an optimization problem of secrecy EE maximization subject to secrecy rate and power constraints. The resulting optimization problem focuses on designing the transmit covariance matrices of confidential messages and artificial interference, and is solved in an iterative manner based on the optimization methods of fractional programming and successive convex approximation ( SCA). Numerical simulation results demonstrate that the proposed algorithm achieves a significant gain in secrecy EE while satisfying the requirements of secrecy rate and maximum power. |
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