UAV Deployment Optimization for Secure Precise Wireless Transmission
Tong Shen, Guiyang Xia, Jingjing Ye, Lichuan Gu, Xiaobo Zhou, Feng, Shu

TL;DR
This paper proposes an optimal UAV deployment strategy for secure wireless transmission that maximizes secrecy rate by positioning the UAV in the null space of eavesdroppers' channels, verified through simulations.
Contribution
It introduces a novel UAV placement scheme that enhances secure wireless communication without artificial noise, based on null space positioning for secrecy maximization.
Findings
Optimal UAV position aligns with eavesdropper null space.
Maximized secrecy rate achieved without artificial noise.
Simulation confirms scheme's effectiveness in improving security.
Abstract
This paper develops an unmanned aerial vehicle (UAV) deployment scheme in the context of the directional modulation-based secure precise wireless transmissions (SPWTs), where the optimal UAV position for the SPWT is derived to maximum the secrecy rate (SR) without injecting any artificial noise (AN) signaling. To be specific, the proposed scheme reveals that the optimal position of UAV for maximizing the SR performance has to be placed at the null space of Eves channel, which impels the received energy of the confidential message at the unintended receiver deteriorating to zero whilst benefits the one at the intended receiver achieving its maximum value. Finally, simulation results verify the optimality of our proposed scheme in terms of the achievable SR performance.
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Taxonomy
TopicsUAV Applications and Optimization · Wireless Communication Security Techniques · Advanced Wireless Communication Technologies
