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Target-Mounted Intelligent Reflecting Surface for Electromagnetic Stealth | IEEE Conference Publication | IEEE Xplore

Target-Mounted Intelligent Reflecting Surface for Electromagnetic Stealth


Abstract:

While traditional electromagnetic stealth materials/metasurfaces can render a target virtually invisible to some extent, they lack flexibility and adaptability, and can o...Show More

Abstract:

While traditional electromagnetic stealth materials/metasurfaces can render a target virtually invisible to some extent, they lack flexibility and adaptability, and can only operate within a limited frequency and angle range, making it challenging to ensure the expected stealth performance. In view of this, we propose in this paper a new intelligent reflecting surface (IRS)-aided electromagnetic stealth system mounted on targets to evade radar detection, by utilizing the tunable passive reflecting elements of IRS to achieve flexible and adaptive electromagnetic stealth in a cost-effective manner. Specifically, we optimize the IRS's reflection at the target to minimize the sum received signal power of all adversary radars. We first address the IRS's reflection optimization problem using the Lagrange multiplier method and derive a semi-closed-form optimal solution. To meet real-time processing requirements, we further propose a low-complexity closed-form solution based on the minimum mean-square error (MMSE) principle. Simulation results validate the performance advantages of our proposed IRS-aided electromagnetic stealth system with the proposed IRS reflection designs.
Date of Conference: 09-13 June 2024
Date Added to IEEE Xplore: 20 August 2024
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Conference Location: Denver, CO, USA

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