Referenced Items are not available for this document.
A low-cost compact dual-band antenna that can achieve electronic beam steering in the horizontal plane across a range from 0° to 360° and adaptive beamforming is presented. Multiple radiation patterns can be generated by the antenna for interference canceling. To reduce the size and cost, the antenna employs the configuration of electronically steerable parasitic array radiators (ESPARs). The parasitic elements are 12 folded monopole antennas, which surround a short monocone antenna. The short monocone antenna serves as the driven element. Each folded monopole is loaded with a p-i-n diode, and by controlling the dc voltages applied to the p-i-n diodes, the antenna can achieve electronic beam steering and adaptive beamforming. To prove the concept, a prototype antenna was developed whose frequency bands are 1.8-2.2 and 2.85-3.15 GHz. The height of the antenna has been reduced to 0.12 λ at 1.8 GHz.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:10
)
Date of Publication: 2011
- Page(s):
- 1349 - 1352
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 12396432
- Digital Object Identifier :
- 10.1109/LAWP.2011.2177059
- Product Type:
- Journals & Magazines
- Date of Publication :
- 29 November 2011
- Date of Current Version :
- 12 December 2011
- Issue Date :
- 2011
- Sponsored by :
- IEEE Antennas and Propagation Society
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