Reconfigurable wideband to narrowband antenna using tunable EBG structure
In this paper, frequency reconfigurable electromagnetic band gap (EBG) structure that integrates with a wideband antenna is proposed. The EBG structure consists of a circular patch shorted to the ground plane and a secondary circular patch connected to the circular patch. Switches are positioned bet...
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| Main Authors: | , , , |
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| Format: | Article |
| Published: |
Springer Verlag
2014
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/62409/ http://dx.doi.10.1007/s00339-014-8719-2 |
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| Summary: | In this paper, frequency reconfigurable electromagnetic band gap (EBG) structure that integrates with a wideband antenna is proposed. The EBG structure consists of a circular patch shorted to the ground plane and a secondary circular patch connected to the circular patch. Switches are positioned between the via and the ground plane and by controlling the state of the switch, the band-stop operation of the EBG can be activated or deactivated. In order to control the single and dual band-stop operation, another switch is place between the circular patch and the secondary circular patch. The EBG structure is then placed underneath the feed line of a wideband antenna. The antenna is capable of reconfiguring to three different frequency bands. The proposed antenna has the potential to provide useful features for the wireless communication applications. |
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