Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells
Abstract A novel broadband dual‐polarised transmitarray antenna (TA) utilising tightly coupled cross dipole cells is proposed in this work. The transmitarray cell using the tightly coupling wideband principle comprises two radiation patches designed as two orthogonal planar dipoles with four interdi...
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| Format: | Article |
| Language: | English |
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Wiley
2024-12-01
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| Series: | IET Microwaves, Antennas & Propagation |
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| Online Access: | https://doi.org/10.1049/mia2.12525 |
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| _version_ | 1846110588585902080 |
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| author | Yong Heng Zhao Yin Li Li Jun Jiang Ping Li |
| author_facet | Yong Heng Zhao Yin Li Li Jun Jiang Ping Li |
| author_sort | Yong Heng Zhao |
| collection | DOAJ |
| description | Abstract A novel broadband dual‐polarised transmitarray antenna (TA) utilising tightly coupled cross dipole cells is proposed in this work. The transmitarray cell using the tightly coupling wideband principle comprises two radiation patches designed as two orthogonal planar dipoles with four interdigital capacitors, two meandered parallel plate transmission lines, and a ground. Each cell has a square shape and a dimension of approximately 0.28 λc where λc is the wavelength at central frequency 5.5 GHz. The transmitarray cell can achieve 475° phase shift at central frequency and transmission magnitude better than −2.5 dB within the working band. To verify the feasibility of this design, a tightly coupled dual‐polarised transmitarray antenna (TCDPTA) is modelled and manufactured. The transmitarray aperture size is approximately 4.1 λc × 4.1 λc. The simulation and measurement illustrate that the TCDPTA has stable and distortion‐free main beams whose side lobe levels are generally below −10 dB in the band of 3.0–8.0 GHz. The measured gain at central frequency is 16.2 dBi and peak gain is 19 dBi at 7.5 GHz. The working bandwidth is 90.9% and 3 dB gain bandwidth is 66.7%. The measured cross‐polarisation levels are below −15 dB at axial direction. This TA has potential applications for high‐date‐rate communication and high‐revolution radar imaging systems at C‐band. |
| format | Article |
| id | doaj-art-14f657ccb1444404b589087bf9c96d9f |
| institution | Kabale University |
| issn | 1751-8725 1751-8733 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Microwaves, Antennas & Propagation |
| spelling | doaj-art-14f657ccb1444404b589087bf9c96d9f2024-12-23T18:53:51ZengWileyIET Microwaves, Antennas & Propagation1751-87251751-87332024-12-0118121011102310.1049/mia2.12525Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cellsYong Heng Zhao0Yin Li1Li Jun Jiang2Ping Li3State Key Laboratory of Radio Frequency Heterogeneous Integration Shanghai Jiao Tong University Shanghai ChinaPeng Cheng Laboratory Shenzhen ChinaThe Department of Electronic Engineering The Chinese University of Hong Kong Hong Kong Hong KongState Key Laboratory of Radio Frequency Heterogeneous Integration Shanghai Jiao Tong University Shanghai ChinaAbstract A novel broadband dual‐polarised transmitarray antenna (TA) utilising tightly coupled cross dipole cells is proposed in this work. The transmitarray cell using the tightly coupling wideband principle comprises two radiation patches designed as two orthogonal planar dipoles with four interdigital capacitors, two meandered parallel plate transmission lines, and a ground. Each cell has a square shape and a dimension of approximately 0.28 λc where λc is the wavelength at central frequency 5.5 GHz. The transmitarray cell can achieve 475° phase shift at central frequency and transmission magnitude better than −2.5 dB within the working band. To verify the feasibility of this design, a tightly coupled dual‐polarised transmitarray antenna (TCDPTA) is modelled and manufactured. The transmitarray aperture size is approximately 4.1 λc × 4.1 λc. The simulation and measurement illustrate that the TCDPTA has stable and distortion‐free main beams whose side lobe levels are generally below −10 dB in the band of 3.0–8.0 GHz. The measured gain at central frequency is 16.2 dBi and peak gain is 19 dBi at 7.5 GHz. The working bandwidth is 90.9% and 3 dB gain bandwidth is 66.7%. The measured cross‐polarisation levels are below −15 dB at axial direction. This TA has potential applications for high‐date‐rate communication and high‐revolution radar imaging systems at C‐band.https://doi.org/10.1049/mia2.12525antenna arraysaperture antennastransmitting antennas |
| spellingShingle | Yong Heng Zhao Yin Li Li Jun Jiang Ping Li Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells IET Microwaves, Antennas & Propagation antenna arrays aperture antennas transmitting antennas |
| title | Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells |
| title_full | Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells |
| title_fullStr | Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells |
| title_full_unstemmed | Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells |
| title_short | Design and implementation of a novel wideband dual‐polarised transmitarray antenna based on tightly coupled cross dipole cells |
| title_sort | design and implementation of a novel wideband dual polarised transmitarray antenna based on tightly coupled cross dipole cells |
| topic | antenna arrays aperture antennas transmitting antennas |
| url | https://doi.org/10.1049/mia2.12525 |
| work_keys_str_mv | AT yonghengzhao designandimplementationofanovelwidebanddualpolarisedtransmitarrayantennabasedontightlycoupledcrossdipolecells AT yinli designandimplementationofanovelwidebanddualpolarisedtransmitarrayantennabasedontightlycoupledcrossdipolecells AT lijunjiang designandimplementationofanovelwidebanddualpolarisedtransmitarrayantennabasedontightlycoupledcrossdipolecells AT pingli designandimplementationofanovelwidebanddualpolarisedtransmitarrayantennabasedontightlycoupledcrossdipolecells |