Abstract
A new circularly-polarized (CP) dual-slot antenna fed by a single L-probe is proposed for dual-band applications. The antenna consists of a zonal slot and an annular slot, both of them being cut onto a square conducting cavity with a protective dielectric cover. It is observed that the resonance frequencies of the lower and upper bands are controlled by the zonal and annular slots, respectively, making designs of the dual-band antenna very easy. To demonstrate the idea, the proposed antenna was designed at 2.4/5.8 GHz for two IMS bands. The reflection coefficient, axial ratio, radiation pattern and gain of the dual-band antenna were studied, and reasonable agreement between the simulated and measured results was obtained. A parametric study was carried out to characterize the proposed antenna. © 2009 IEEE.
| Original language | English |
|---|---|
| Article number | 5109639 |
| Pages (from-to) | 3757-3764 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 57 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Dec 2009 |
Research Keywords
- Circular polarization
- Dual-band
- L-probe
- Single feed
- Slot antenna
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