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A miniaturized triple-band and dual-polarized monopole antenna based on a CSRR perturbed ground plane

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2021-12-10
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IEEE
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Abstract
This paper proposes a new triple-band monopole antenna based on Complementary Split Ring Resonators (CSRR) perturbing the ground plane (GND). The antenna consists of an inverted-L-shaped monopole fed by a modified microstrip line with two CSRRs cut out of the ground plane. The operational bands are independently controlled by the CSRR unit cell parameters. In addition, the antenna presents a dual-polarization performance (vertical polarization at 2.4 GHz band and horizontal polarization at both 3.6 and 5.9 GHz bands). The designed antenna is fully planar and low profile avoiding the vias with the ground plane and covering the WLAN, WiMAX, and IEEE 801.11p bands at 2.45, 3.6, and 5.8 GHz. A compact prototype ( 0.32λ0×0.32λ0 being λ0 is the wavelength corresponding to the lowest resonance frequency) has been fabricated and measured showing good agreement between simulations and measurements. The measured impedance bandwidths are 10% (2.38-2.63 GHz), 2.5% (3.54-3.63 GHz), and 20% (5.83-7.12 GHz) whereas the measured gains are 1.34, 0.68, and 2.65 dBi at 2.4, 3.6, and 5.9 GHz respectively.
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Complementary Split Ring Resonators (CSRR), Monopole antenna, Triple-band, Dual-polarization, Miniaturization
Bibliographic citation
El Yousfi, A., Lamkaddem, A., Abdalmalak, K. A., & Segovia-Vargas, D. (2021). A miniaturized triple-band and dual-polarized monopole antenna based on a CSRR perturbed ground plane. IEEE access: practical innovations, open solutions, 9, 164292–164299.