Abstract
A circularly polarized patch antenna for future fifth-generation mobile phones is presented in this paper. Miniaturization and beamwidth enhancement of a patch antenna are the two main areas to be discussed. By folding the edge of the radiating patch with loading slots, the size of the patch antenna is 44.8% smaller than a conventional half wavelength patch, which allows it to be accommodated inside handsets easily. Wide beamwidth is obtained by surrounding the patch with a dielectric substrate and supporting the antenna by a metallic block. A measured half power beamwidth of 124° is achieved. The impedance bandwidth of the antenna is over 10%, and the 3-dB axial ratio bandwidth is 3.05%. The proposed antenna covers a wide elevation angle and complete azimuth range. A parametric study of the effect of the metallic block and the surrounding dielectric substrate on the gain at a low elevation angle and the axial ratio of the proposed antenna are presented.
| Original language | English |
|---|---|
| Article number | 6985762 |
| Pages (from-to) | 1521-1529 |
| Journal | IEEE Access |
| Volume | 2 |
| DOIs | |
| Publication status | Published - 2014 |
Research Keywords
- Antenna radiation patterns
- microstrip patch antennas
- satellite antennas
Publisher's Copyright Statement
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