An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance
This paper introduces an ultra-wideband circularly polarized (CP) asymmetric-S antenna with wide axial ratio beamwidth (ARBW) for C-band applications. The proposed antenna is realized by bending a linearly polarized dipole into asymmetric-S shape with variable trace width, which achieves CP radiatio...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2019-01-01
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| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/8844969/ |
| _version_ | 1818642259947552768 |
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| author | Wei He Long Zhang Yejun He Sai-Wai Wong Chunxu Mao Peng Chu Lei Ge Steven Gao |
| author_facet | Wei He Long Zhang Yejun He Sai-Wai Wong Chunxu Mao Peng Chu Lei Ge Steven Gao |
| author_sort | Wei He |
| collection | DOAJ |
| description | This paper introduces an ultra-wideband circularly polarized (CP) asymmetric-S antenna with wide axial ratio beamwidth (ARBW) for C-band applications. The proposed antenna is realized by bending a linearly polarized dipole into asymmetric-S shape with variable trace width, which achieves CP radiation. Unlike the reported symmetric-S antenna, the proposed antenna is constituted with two unequal curved arms to enhance the bandwidth and beamwidth performances. Compared with the symmetric-S antenna, the proposed antenna demonstrates much wider AR bandwidth and wider ARBW over broader frequency range. A prototype is fabricated to verify the design principle. The measured and simulated results are very consistent and both indicate that the proposed antenna has a wide impedance bandwidth (VSWR <; 2) of 70.2% (3.58 to 7.46 GHz), and a wide 3-dB AR bandwidth of 84.8% (2.75 to 6.8 GHz). Moreover, maximum ARBW of 153° is achieved, and a 3-dB ARBW of more than 100° is maintained within a wide operation bandwidth of 46.3% (3.65-5.85 GHz). |
| first_indexed | 2024-12-16T23:40:14Z |
| format | Article |
| id | doaj.art-096682a1672a444484de0ec43a944677 |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-12-16T23:40:14Z |
| publishDate | 2019-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-096682a1672a444484de0ec43a9446772022-12-21T22:11:37ZengIEEEIEEE Access2169-35362019-01-01713489513490210.1109/ACCESS.2019.29415518844969An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth PerformanceWei He0https://orcid.org/0000-0002-0519-0590Long Zhang1Yejun He2https://orcid.org/0000-0002-8564-5355Sai-Wai Wong3Chunxu Mao4Peng Chu5https://orcid.org/0000-0001-7557-4146Lei Ge6https://orcid.org/0000-0002-9377-2530Steven Gao7College of Electronics and Information Engineering, Shenzhen University, Shenzhen, ChinaCollege of Electronics and Information Engineering, Shenzhen University, Shenzhen, ChinaCollege of Electronics and Information Engineering, Shenzhen University, Shenzhen, ChinaCollege of Electronics and Information Engineering, Shenzhen University, Shenzhen, ChinaElectrical Engineering Department, The Pennsylvania State University, University Park, PA, USACollege of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaInstitute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, ChinaSchool of Engineering and Digital Arts, University of Kent, Canterbury, U.K.This paper introduces an ultra-wideband circularly polarized (CP) asymmetric-S antenna with wide axial ratio beamwidth (ARBW) for C-band applications. The proposed antenna is realized by bending a linearly polarized dipole into asymmetric-S shape with variable trace width, which achieves CP radiation. Unlike the reported symmetric-S antenna, the proposed antenna is constituted with two unequal curved arms to enhance the bandwidth and beamwidth performances. Compared with the symmetric-S antenna, the proposed antenna demonstrates much wider AR bandwidth and wider ARBW over broader frequency range. A prototype is fabricated to verify the design principle. The measured and simulated results are very consistent and both indicate that the proposed antenna has a wide impedance bandwidth (VSWR <; 2) of 70.2% (3.58 to 7.46 GHz), and a wide 3-dB AR bandwidth of 84.8% (2.75 to 6.8 GHz). Moreover, maximum ARBW of 153° is achieved, and a 3-dB ARBW of more than 100° is maintained within a wide operation bandwidth of 46.3% (3.65-5.85 GHz).https://ieeexplore.ieee.org/document/8844969/Circularly polarized antennawide axial ratio beamwidthultra-wideband antenna |
| spellingShingle | Wei He Long Zhang Yejun He Sai-Wai Wong Chunxu Mao Peng Chu Lei Ge Steven Gao An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance IEEE Access Circularly polarized antenna wide axial ratio beamwidth ultra-wideband antenna |
| title | An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance |
| title_full | An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance |
| title_fullStr | An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance |
| title_full_unstemmed | An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance |
| title_short | An Ultra-Wideband Circularly Polarized Asymmetric-<inline-formula> <tex-math notation="LaTeX">$S$ </tex-math></inline-formula> Antenna With Enhanced Bandwidth and Beamwidth Performance |
| title_sort | ultra wideband circularly polarized asymmetric inline formula tex math notation latex s tex math inline formula antenna with enhanced bandwidth and beamwidth performance |
| topic | Circularly polarized antenna wide axial ratio beamwidth ultra-wideband antenna |
| url | https://ieeexplore.ieee.org/document/8844969/ |
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