Abstract
An e-shaped slotted-circular-patch antenna is proposed for circularly polarized (CP) radiation and RF energy harvesting. The proposed antenna consists of an e-shaped slotted-circular-patch radiator and a coaxial feed. An e-shaped slot is cut along the orthogonal axis of a circular-patch with a coaxial feed along the diagonal axis to generate CP radiation with compact antenna size of 45 × 45 × 1.6 mm. The prototype antenna shows the measured gain more than 5 dBic at 2.4 GHz with 3 dB axial ratio beamwidth more than 140°.
| Original language | English |
|---|---|
| Pages (from-to) | 868-875 |
| Number of pages | 8 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 58 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Apr 2016 |
| Externally published | Yes |
Keywords
- circularly polarized microstrip antennas
- circular polarization
- low profile
- circular-patch
- single-feed
- slotted-microstrip
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