Abstract
In this paper we have investigated aperture field distribution of a radial line slot array (RLSA) antenna to improve the radiation pattern quality. A circularly polarised (CP) RLSA antenna was designed with tapered amplitude distribution. The distribution was obtained by manipulating the slot lengths on the antenna aperture based on a slot coupling analysis. The antenna has achieved a peak directivity of 31.7dBic and a peak gain of 31.3 dBic at 19.3 GHz. A significant improvement has been achieved in reducing side lobe levels. The antenna has demonstrated a side lobe level of -28.8 dB in φ = 0° plane and -32.2 dB in φ = 90° plane at 19.3 GHz.
| Original language | English |
|---|---|
| Title of host publication | 2019 13th European Conference on Antennas and Propagation (EuCAP) |
| Place of Publication | Piscataway, NJ |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 1-2 |
| Number of pages | 2 |
| ISBN (Electronic) | 9788890701887 |
| ISBN (Print) | 9781538681275 |
| Publication status | Published - 2019 |
| Event | 13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland Duration: 31 Mar 2019 → 5 Apr 2019 |
Conference
| Conference | 13th European Conference on Antennas and Propagation, EuCAP 2019 |
|---|---|
| Country/Territory | Poland |
| City | Krakow |
| Period | 31/03/19 → 5/04/19 |
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