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arXiv 2503.04599eess.SP
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针对窃听者的节能型欺骗性无线波束成形

Power-Efficient Deceptive Wireless Beamforming Against Eavesdroppers

Georgios Chrysanidis, Antonios Argyriou, Le-Nam Tran, Yanming Zhang, Yanwei Liu

AI总结:

本文提出一种节能型欺骗性无线波束成形(DWB)方法,通过在发射机处将包含多普勒和距离欺骗值的信号进行波束成形,在低功耗下成功注入欺骗信息并保持波束形状。

摘要:

无线信号的窃听者希望尽可能多地推断出发射机(Tx)的信息。减少向窃听者泄露信息的流行方法包括隐蔽通信、方向调制和零陷波束成形。在本文中,我们不试图像以前的方法那样防止信息向窃听者泄露。相反,我们提出在Tx处以包含欺骗性信息的方式对无线信号进行波束成形。经过波束成形的正交频分复用(OFDM)信号包含了Tx的多普勒(速度)和距离的欺骗值。为了设计具有这些特性的最优基带波形,我们定义并求解了节能型欺骗性无线波束成形(DWB)的优化问题。松弛后的凸二次规划(QP)使用启发式算法进行求解。我们的仿真结果表明,我们的DWB方案能够在保持所生成波束形状的同时,以低功耗成功注入欺骗性信息。

英文摘要:

Eavesdroppers of wireless signals want to infer as much as possible regarding the transmitter (Tx). Popular methods to minimize information leakage to the eavesdropper include covert communication, directional modulation, and beamforming with nulling. In this paper we do not attempt to prevent information leakage to the eavesdropper like the previous methods. Instead we propose to beamform the wireless signal at the Tx in such a way that it incorporates deceptive information. The beamformed orthogonal frequency division multiplexing (OFDM) signal includes a deceptive value for the Doppler (velocity) and range of the Tx. To design the optimal baseband waveform with these characteristics, we define and solve an optimization problem for power-efficient deceptive wireless beamforming (DWB). The relaxed convex Quadratic Program (QP) is solved using a heuristic algorithm. Our simulation results indicate that our DWB scheme can successfully inject deceptive information with low power consumption, while preserving the shape of the created beam.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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