Abstract
A Wi-Fi dual-band directional antenna is presented herein. The proposed antenna consists of a bent ground-backed slot-loop structure to form a directional antenna. The aperture of the antenna element and the offset from the ground plane have opposing functional variation for the beamwidth adjustment. By utilizing both factors, a consistent Wi-Fi dual-band beamwidth is achieved. The antenna has high radiation efficiency over both bands. The proposed antenna achieves H-plane dual-band beamwidth consistency, which varies within 5° over the two bands. The gain is 9 and 9.5 dBi, respectively, in the 2.4 and 5 GHz bands, and a stable H-plane beamwidth of 66°-71° over the operating bands is achieved. The proposed antenna can be used for the sectorized Wi-Fi access point application or as an element to form an array.
| Original language | American English |
|---|---|
| Article number | 8692585 |
| Pages (from-to) | 4495-4505 |
| Number of pages | 11 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 67 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 1 2019 |
Keywords
- Beamwidth
- Dual-Band Antenna
- Intermediate Value Theorem
- Wi-Fi Antenna
Disciplines
- Electrical and Computer Engineering
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