Low‐profile circularly polarised patch antenna with high gain and conical beam
| Autor: | Ke Zhou, Jianyi Zhou, Zhiqiang Yu, Hengfei Xu |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Physics
Patch antenna business.industry 020208 electrical & electronic engineering 020206 networking & telecommunications 02 engineering and technology Radiation pattern Loop (topology) Microstrip antenna Optics 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Antenna (radio) business Electrical conductor Parametric statistics Ground plane |
| Zdroj: | IET Microwaves, Antennas & Propagation. 12:1191-1195 |
| ISSN: | 1751-8733 |
| DOI: | 10.1049/iet-map.2017.0928 |
| Popis: | A low-profile circularly polarised (CP) antenna with conical-beam radiation pattern is presented. The proposed antenna consists of a monopolar patch antenna fed by a probe in the centre and a ring-shaped array formed by eight modified parasitic patch elements. Two resonant modes of the monopolar patch which connects to a ground plane by a set of conductive shorting vias are utilised to achieve wide impedance bandwidth. A CP conical-beam radiation pattern is formed by loading the designed array. Loop current and slot resonant mode are employed to discuss the operating principle. A parametric study is carried out for the detailed design concept illustration. To verify the design, a prototype has been fabricated and measured, which shows a low profile of 0.059 λ 0 , a maximum gain of 7.45 dBic, a 10-dB impedance bandwidth of 23.1%, a 3-dB axial ratio bandwidth of 9.6% and a good conical-beam radiation pattern. |
| Databáze: | OpenAIRE |
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