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Proactive Eavesdropping in Relay Systems via Trajectory and Power Optimization | IEEE Journals & Magazine | IEEE Xplore

Proactive Eavesdropping in Relay Systems via Trajectory and Power Optimization


Abstract:

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectiv...Show More

Abstract:

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem. Unmanned aerial vehicles (UAVs) can proactively surveil wireless relay systems due to their flexible mobility. This work focuses on maximizing the eavesdropping rate (ER) of UAVs by jointly optimizing the trajectory and jamming power. To address this challenge, we propose a new iterative algorithm based on block coordinate descent and successive convex approximation technologies. Simulation results demonstrate that the proposed algorithm significantly enhances the ER through trajectory and jamming power optimization.
Published in: IEEE Internet of Things Journal ( Volume: 11, Issue: 20, 15 October 2024)
Page(s): 33744 - 33757
Date of Publication: 18 July 2024

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