Abstract
This communication presents a new omnidirectional antenna based on biconical antenna element to realize high gain and high omnidirectivity at Ka-band. Two biconical antenna elements are stacked and fed differentially by a specially designed differential feeding network embedded inside the antenna. Measurement shows that the -10-dB impedance bandwidth of the antenna is 14.2% (26.2-30.2 GHz), within which the antenna can achieve a high gain of around 12.5 dBi corresponding to a sharp 3-dB beamwidth of about 5° in the elevation plane. The ripple of the omnidirectional radiation pattern in the azimuth plane is smaller than ±0.5 dBi.
| Original language | English |
|---|---|
| Article number | 7312426 |
| Pages (from-to) | 294-299 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 64 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 2016 |
Research Keywords
- Biconical antenna
- Differential feeding network
- Gain
- Omnidirectional antenna
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