A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN
This article describes the design of a tri-band antenna that operates at 2.45 GHz (ISM band), 3.5 GHz (5G sub-6-GHz band), and 5.8 GHz (WLAN band). The antenna design is inspired by a conventional quarter-wave monopole which is fed using a coplanar waveguide feed. Initially, the radiator is loaded w...
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IEEE
2023-01-01
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| Online Access: | https://ieeexplore.ieee.org/document/10320322/ |
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| author | Azimov Uktam Fakhriddinovich Md. Abu Sufian Wahaj Abbas Awan Niamat Hussain Nam Kim |
| author_facet | Azimov Uktam Fakhriddinovich Md. Abu Sufian Wahaj Abbas Awan Niamat Hussain Nam Kim |
| author_sort | Azimov Uktam Fakhriddinovich |
| collection | DOAJ |
| description | This article describes the design of a tri-band antenna that operates at 2.45 GHz (ISM band), 3.5 GHz (5G sub-6-GHz band), and 5.8 GHz (WLAN band). The antenna design is inspired by a conventional quarter-wave monopole which is fed using a coplanar waveguide feed. Initially, the radiator is loaded with an inverted L-shaped stub to attain broadband across the band spectrum of 2.4 GHz. Then, a pair of two open-ended stubs are etched to achieve a higher frequency band of 5.8 GHz. Hereafter, another open-ended stub is loaded to the right end of the radiating structure, which results in the generation of the Sub-6 GHz 5G (3.5 GHz) band. Finally, the antenna is optimized using parametric analysis to improve the impedance matching across all bands. The proposed antenna offers a tri-band operational mode having frequency ranges from 2.38–2.51 GHz, 3.44–3.84 GHz, and 5.53–7.23 GHz. The reported gains of the proposed antenna at respective frequencies are 2 dBi, 2.1 dBi, and 2.5 dBi having an omnidirectional stable radiation pattern. The antenna prototype is created on a small <inline-formula> <tex-math notation="LaTeX">$20\times 16\times1.6$ </tex-math></inline-formula> mm3 board and measured to validate the results. Furthermore, the performance of the antenna is compared with the state-of-the-art works to demonstrate its key advantages over similar designs. |
| format | Article |
| id | doaj-art-81d055caa0f84bcb8a7d320c0ad4bb65 |
| institution | Kabale University |
| issn | 2169-3536 |
| language | English |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-81d055caa0f84bcb8a7d320c0ad4bb652025-08-20T04:01:03ZengIEEEIEEE Access2169-35362023-01-011113041813042510.1109/ACCESS.2023.333388110320322A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLANAzimov Uktam Fakhriddinovich0https://orcid.org/0009-0008-0623-9799Md. Abu Sufian1https://orcid.org/0000-0003-2995-6551Wahaj Abbas Awan2Niamat Hussain3https://orcid.org/0000-0001-9730-4622Nam Kim4https://orcid.org/0000-0001-8109-2055School of Information and Communication Engineering, Chungbuk National University, Cheongju-si, South KoreaSchool of Information and Communication Engineering, Chungbuk National University, Cheongju-si, South KoreaSchool of Information and Communication Engineering, Chungbuk National University, Cheongju-si, South KoreaDepartment of Smart Device Engineering, Sejong University, Seoul, South KoreaSchool of Information and Communication Engineering, Chungbuk National University, Cheongju-si, South KoreaThis article describes the design of a tri-band antenna that operates at 2.45 GHz (ISM band), 3.5 GHz (5G sub-6-GHz band), and 5.8 GHz (WLAN band). The antenna design is inspired by a conventional quarter-wave monopole which is fed using a coplanar waveguide feed. Initially, the radiator is loaded with an inverted L-shaped stub to attain broadband across the band spectrum of 2.4 GHz. Then, a pair of two open-ended stubs are etched to achieve a higher frequency band of 5.8 GHz. Hereafter, another open-ended stub is loaded to the right end of the radiating structure, which results in the generation of the Sub-6 GHz 5G (3.5 GHz) band. Finally, the antenna is optimized using parametric analysis to improve the impedance matching across all bands. The proposed antenna offers a tri-band operational mode having frequency ranges from 2.38–2.51 GHz, 3.44–3.84 GHz, and 5.53–7.23 GHz. The reported gains of the proposed antenna at respective frequencies are 2 dBi, 2.1 dBi, and 2.5 dBi having an omnidirectional stable radiation pattern. The antenna prototype is created on a small <inline-formula> <tex-math notation="LaTeX">$20\times 16\times1.6$ </tex-math></inline-formula> mm3 board and measured to validate the results. Furthermore, the performance of the antenna is compared with the state-of-the-art works to demonstrate its key advantages over similar designs.https://ieeexplore.ieee.org/document/10320322/Tri-band antennaISM bandWLAN band5G sub-6-GHz antenna |
| spellingShingle | Azimov Uktam Fakhriddinovich Md. Abu Sufian Wahaj Abbas Awan Niamat Hussain Nam Kim A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN IEEE Access Tri-band antenna ISM band WLAN band 5G sub-6-GHz antenna |
| title | A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN |
| title_full | A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN |
| title_fullStr | A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN |
| title_full_unstemmed | A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN |
| title_short | A Compact Antenna With Multiple Stubs for ISM, 5G Sub-6-GHz, and WLAN |
| title_sort | compact antenna with multiple stubs for ism 5g sub 6 ghz and wlan |
| topic | Tri-band antenna ISM band WLAN band 5G sub-6-GHz antenna |
| url | https://ieeexplore.ieee.org/document/10320322/ |
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