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A Multi-Armed Bandit Framework for Efficient UAV-Based Cooperative Jamming Coverage
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DOI：10.1109/TVT.2023.3299670.png)
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En 中文
In this paper, the position control of multiple unmanned aerial vehicles, acting as cooperative jammers, is proposed to improve the security level of a legitimate ground transmission, where a precoder is designed to nullify the jamming signals at the legitimate receiver. In this scenario, the maximization of the weighted secrecy coverage, which measures the efficiency of cooperative jamming over a confined region, is addressed by following a multi armed bandit-based algorithm. The results show that our proposal converges to the one obtained by exhaustive search, and it shows significant improvement over a projected gradient-descent benchmark, while offering a shorter running-time. The results show that, for the considered system and the employed precoder, the inclusion of more than two UAVs does not lead to significant advantages in terms of secrecy performance.
Keyword:
UAV-assisted communications
physical layer security
cooperative jamming
multi-armed bandit
precoding
期刊
IF:
7.1
论文数:
1.8W
被引数:
6.6W
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