Abstract
A novel design of a dual-band and dual-sense circularly polarized coplanar-waveguide-fed monopole antenna with two rectangular parasitic elements and an I-shape grounded stub is presented here. The monopole consists of a vertical and a horizontal section. Lower band is obtained due to 90° phase difference between currents in the two orthogonal branches of the monopole. Upper band is obtained due to the I-shape stub. Parasitic elements help in input impedance matching. The dual-band and dual-sense antenna provides wide 10-dB impedance bandwidth of 71.63% at 2.82 GHz. The 3-dB axial-ratio bandwidths are 27.45% at 2.55 GHz (right-hand circular polarization) and 7.1% at 3.53 GHz (left-hand circular polarization).
| Original language | English |
|---|---|
| Article number | 7979551 |
| Pages (from-to) | 2497-2500 |
| Number of pages | 4 |
| Journal | IEEE Antennas and Wireless Propagation Letters |
| Volume | 16 |
| DOIs | |
| State | Published - 13 Jul 2017 |
| Externally published | Yes |
Keywords
- Circular polarization
- coplanar waveguide (CPW) feed
- dual-band
- dual-sense
- monopole antenna
ASJC Scopus subject areas
- Electrical and Electronic Engineering
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