Hybrid square ring patch‐slot antenna for dual‐band circular polarized operation

Hyun, Mooyeol; Sung, Youngje; Kim, Eung-Soo

doi:10.1002/mop.31093

Micro & Optical Tech Letters

2018

DOI: 10.1002/mop.31093

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Hybrid square ring patch‐slot antenna for dual‐band circular polarized operation

Mooyeol Hyun

Youngje Sung

Eung-Soo Kim

Abstract: A new design of a circular polarized hybrid patch-slot antenna operating in dual band is investigated. The proposed structure is a hybrid square ring-patch slot implemented on both sides of a single layer and has two radiating elements. The square ring patch, which operates in the low band, is implemented on the top layer of the substrate. For the high band, the square ring slot is placed on the ground plane. Each radiating element is fed by the same T-shaped feed structure. The prototype achieves impedance ba… Show more

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Cited by 2 publications

References 8 publications

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Circularly polarized patch antenna with two different C‐shaped ring structures

Sung

2019

Micro & Optical Tech Letters

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In this letter, we propose a novel design for circularly polarized (CP) antennas using two simple C-shaped ring structures. The widths (W L and W R ) of the two C-shaped ring structures are different and these rings are also misaligned to achieve asymmetry. This asymmetry is different from conventional methods, such as perturbations on a diagonal line. It exists on the top layer of the substrate and acts as a radiating element. In order to implement the proposed structure as a single-layer, a feed structure is implemented by a coplanar waveguide (CPW) method on the bottom layer of substrate. From measured results, the proposed antenna shows very good axial ratio (AR) of 0.8 dB and gain of 3.5 dBi at 2.289 GHz. From this analysis, it is demonstrated that some parameters independently change the frequency with the minimum value of AR and resonant frequency. This design is very useful for designing CP antennas.

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Circularly polarized patch antenna with two different C‐shaped ring structures

Sung

2019

Micro & Optical Tech Letters

Self Cite

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Independently tunable metamaterial inspired compact triband dual-sense circularly polarized antenna

Rajanna,

Venkatesh,

Tharehalli Rajanna

et al. 2024

Int. J. Microw. Wireless Technol.

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In this article, a dual-sense triband circularly polarized modified slot antenna loaded with metamaterial structures such as split-ring resonator and cross strips is proposed. The first resonant frequency is generated using the modified square slot which produces the two degenerative modes required to achieve circular polarization (CP). The corners of slot antenna are extended to obtain the orthogonal modes. The second resonant band is obtained using the single split-ring resonator. Two micro-splits in Split Ring Resonator (SRR) orthogonal to each other produces CP due to electric field generated by the micro-splits. The third resonance band is obtained due to loading of cross strips. The orthogonal phase is adjusted by varying the length of cross strips, so that the CP is achieved. All resonance bands are tuned independently. The measured impedance bandwidth of 31.68%, 4.55%, and 8.6% is obtained in first, second, and third bands respectively. The axial ratio bandwidth of 13.04%, 2.7%, 8.6% and peak gain of 3.8 dBic, 3.9 dBic, 3.7 dBic are obtained respectively. The simulated radiation efficiencies of above 80% is achieved in all bands. The left-hand CP is obtained in first two band as co-polarization and right-hand CP is obtained at the third band as co-polarization with respect to cross-polarization radiation. The cross-polarization of minimum −10 dB is obtained in all three bands. The proposed design is well suitable for the Bluetooth, n78 and n79 5G applications.

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Hybrid square ring patch‐slot antenna for dual‐band circular polarized operation

Cited by 2 publications

References 8 publications

Circularly polarized patch antenna with two different C‐shaped ring structures

Circularly polarized patch antenna with two different C‐shaped ring structures

Independently tunable metamaterial inspired compact triband dual-sense circularly polarized antenna

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