Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications
This paper presents a novel multi-layer, dual-band antenna array designed for WLAN and X-band applications, incorporating several innovative features. The design employs a pentagon-shaped radiating element with parasitic strips to enable dual-band operation. A dual-transformed feed network with cham...
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| Format: | Article |
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MDPI AG
2025-02-01
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| Online Access: | https://www.mdpi.com/2072-666X/16/2/203 |
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| author | Bal S. Virdee Tohid Aribi Tohid Sedghi |
| author_facet | Bal S. Virdee Tohid Aribi Tohid Sedghi |
| author_sort | Bal S. Virdee |
| collection | DOAJ |
| description | This paper presents a novel multi-layer, dual-band antenna array designed for WLAN and X-band applications, incorporating several innovative features. The design employs a pentagon-shaped radiating element with parasitic strips to enable dual-band operation. A dual-transformed feed network with chamfered feed strip corners minimizes radiation distortion and cross-polarization while introducing orthogonal phase shifts to achieve circular polarization (CP) at the X-band. A Fabry–Pérot structure, strategically placed above the array, enhances gain in the WLAN band. The antenna demonstrates an impedance bandwidth of 1.8 GHz (S<sub>11</sub> < −10 dB) at the WLAN band, with 36% fractional bandwidth, and 4.3 GHz at the X-band, with 43% fractional bandwidth. Measured peak gains are 7 dBi for the WLAN band and 6.8 dBi for the X-band, with favourable S<sub>11</sub> levels, omni-directional radiation patterns, and consistent gain across both bands. Circular polarization is achieved within 8.5–10.4 GHz. Experimental results confirm the array’s significant advancements in multi-band performance, making it highly suitable for diverse wireless communication applications. |
| format | Article |
| id | doaj-art-39da5aa4d427436db6de70ea1ad1ebf7 |
| institution | OA Journals |
| issn | 2072-666X |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj-art-39da5aa4d427436db6de70ea1ad1ebf72025-08-20T02:03:31ZengMDPI AGMicromachines2072-666X2025-02-0116220310.3390/mi16020203Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band ApplicationsBal S. Virdee0Tohid Aribi1Tohid Sedghi2Center for Communications Technology London, Metropolitan University, London N7 8DB, UKDepartment of Electrical Engineering, Miandoab Branch, Islamic Azad University, Miandoab, IranDepartment of Electrical Engineering, Miandoab Branch, Islamic Azad University, Miandoab, IranThis paper presents a novel multi-layer, dual-band antenna array designed for WLAN and X-band applications, incorporating several innovative features. The design employs a pentagon-shaped radiating element with parasitic strips to enable dual-band operation. A dual-transformed feed network with chamfered feed strip corners minimizes radiation distortion and cross-polarization while introducing orthogonal phase shifts to achieve circular polarization (CP) at the X-band. A Fabry–Pérot structure, strategically placed above the array, enhances gain in the WLAN band. The antenna demonstrates an impedance bandwidth of 1.8 GHz (S<sub>11</sub> < −10 dB) at the WLAN band, with 36% fractional bandwidth, and 4.3 GHz at the X-band, with 43% fractional bandwidth. Measured peak gains are 7 dBi for the WLAN band and 6.8 dBi for the X-band, with favourable S<sub>11</sub> levels, omni-directional radiation patterns, and consistent gain across both bands. Circular polarization is achieved within 8.5–10.4 GHz. Experimental results confirm the array’s significant advancements in multi-band performance, making it highly suitable for diverse wireless communication applications.https://www.mdpi.com/2072-666X/16/2/203antennaantenna arraycircular polarizationmicrostrip technology |
| spellingShingle | Bal S. Virdee Tohid Aribi Tohid Sedghi Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications Micromachines antenna antenna array circular polarization microstrip technology |
| title | Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications |
| title_full | Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications |
| title_fullStr | Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications |
| title_full_unstemmed | Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications |
| title_short | Dual-Band Multi-Layer Antenna Array with Circular Polarization and Gain Enhancement for WLAN and X-Band Applications |
| title_sort | dual band multi layer antenna array with circular polarization and gain enhancement for wlan and x band applications |
| topic | antenna antenna array circular polarization microstrip technology |
| url | https://www.mdpi.com/2072-666X/16/2/203 |
| work_keys_str_mv | AT balsvirdee dualbandmultilayerantennaarraywithcircularpolarizationandgainenhancementforwlanandxbandapplications AT tohidaribi dualbandmultilayerantennaarraywithcircularpolarizationandgainenhancementforwlanandxbandapplications AT tohidsedghi dualbandmultilayerantennaarraywithcircularpolarizationandgainenhancementforwlanandxbandapplications |