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20 October 2023 Design of triple band antenna with improved gain and low profile using triple band artificial magnetic conductor
Zhao Jin, Fei Wu, Jingdong Yu, Yu Rong
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Proceedings Volume 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023); 129162N (2023) https://doi.org/10.1117/12.3004749
Event: Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 2023, Kunming, China
Abstract
In this paper, a tri-band low profile antenna based on Artificial Magnetic Conductor (AMC) is designed. The antenna consists of a tri-band slot antenna and AMC reflector. The Coplanar Waveguide(CPW)-fed tri-band antenna generate multiple resonant frequencies from slots and parasitic elements. To improve the CPW antenna’s radiation performance, an AMC structure with three zero-phases of the reflection coefficient is designed and employed as the reflector. An AMC unit with three zero-phase reflection coefficients is designed and arranged in 3×3 as the reflector of the slot antenna. The distance between the slot antenna and AMC structure is 0.056λ (λ is the wavelength of 2.4 GHz in free space). Simulation results show that the antenna impedance bandwidth after loading the AMC reflector are 2.23-2.49 GHz, 5.45-5.89 GHz and 7.45-7.91GHz. Meanwhile, the peak gain are improved from 1.9 to 3.4 dBi at 2.4 GHz, 3.45 to 6.2 dBi at 5.8GHz, 3.92 to 7.6 dBi at 7.6 GHz respectively.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Zhao Jin, Fei Wu, Jingdong Yu, and Yu Rong "Design of triple band antenna with improved gain and low profile using triple band artificial magnetic conductor", Proc. SPIE 12916, Third International Conference on Signal Image Processing and Communication (ICSIPC 2023), 129162N (20 October 2023); https://doi.org/10.1117/12.3004749
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KEYWORDS
Antennas
Reflection
Reflectors
Design and modelling
Magnetism
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