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Conference Paper: Bandwidth improvements using ground slots for compact UWB microstrip-fed antennas

TitleBandwidth improvements using ground slots for compact UWB microstrip-fed antennas
Authors
Issue Date2011
PublisherElectromagnetics Academy. The Journal's web site is located at http://www.piers.org/piersproceedings/
Citation
The 30th Progress In Electromagnetics Research Symposium (PIERS), Suzhou, China, 12-16 September 2011. In Progress in Electromagnetics Research Symposium Proceedings, 2011, p. 1420-1423 How to Cite?
AbstractThe paper studies the method of using a ground slot for bandwidth improvement of compact ultra-wide band (UWB) antennas with microstrip line feed. Slots of different shapes such as triangular, rectangular, partially circular and hexagonal, placed on the ground plane under the feed line of the radiator are studied for impedance matching. The effects of the slots on the performances of the antennas, in terms of impedance bandwidth, radiation pattern, gain, and efficiency, are studied. Results of simulation tests show that a ground slot with proper dimensions placed under the feed line can improve the impedance matching and hence increase the bandwidth without affecting much the performance of the antenna. Results of studies also show that, by using a hexagonal slot on the ground plane under the feed line, a patch antenna with a compact size of 35mm × 23mm can achieve a bandwidth of 3.1-16.3 GHz for S 11 < -10 dB. Moreover, it has a stable omnidirectional radiation pattern across the whole bandwidth and achieves an average gain of 2.8 dBi and an average efficiency of about 88% across the UWB.
Persistent Identifierhttp://hdl.handle.net/10722/158782
ISBN
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorLiu, Len_US
dc.contributor.authorCheung, SWen_US
dc.contributor.authorYuk, TIen_US
dc.date.accessioned2012-08-08T09:01:18Z-
dc.date.available2012-08-08T09:01:18Z-
dc.date.issued2011en_US
dc.identifier.citationThe 30th Progress In Electromagnetics Research Symposium (PIERS), Suzhou, China, 12-16 September 2011. In Progress in Electromagnetics Research Symposium Proceedings, 2011, p. 1420-1423en_US
dc.identifier.isbn9781934142189-
dc.identifier.issn1559-9450en_US
dc.identifier.urihttp://hdl.handle.net/10722/158782-
dc.description.abstractThe paper studies the method of using a ground slot for bandwidth improvement of compact ultra-wide band (UWB) antennas with microstrip line feed. Slots of different shapes such as triangular, rectangular, partially circular and hexagonal, placed on the ground plane under the feed line of the radiator are studied for impedance matching. The effects of the slots on the performances of the antennas, in terms of impedance bandwidth, radiation pattern, gain, and efficiency, are studied. Results of simulation tests show that a ground slot with proper dimensions placed under the feed line can improve the impedance matching and hence increase the bandwidth without affecting much the performance of the antenna. Results of studies also show that, by using a hexagonal slot on the ground plane under the feed line, a patch antenna with a compact size of 35mm × 23mm can achieve a bandwidth of 3.1-16.3 GHz for S <sub>11</sub> &lt; -10 dB. Moreover, it has a stable omnidirectional radiation pattern across the whole bandwidth and achieves an average gain of 2.8 dBi and an average efficiency of about 88% across the UWB.-
dc.languageengen_US
dc.publisherElectromagnetics Academy. The Journal's web site is located at http://www.piers.org/piersproceedings/en_US
dc.relation.ispartofProgress in Electromagnetics Research Symposiumen_US
dc.titleBandwidth improvements using ground slots for compact UWB microstrip-fed antennasen_US
dc.typeConference_Paperen_US
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_US
dc.identifier.emailYuk, TI:tiyuk@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.identifier.authorityYuk, TI=rp00210en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.scopuseid_2-s2.0-84863267875en_US
dc.identifier.hkuros207620-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84858123694&selection=ref&src=s&origin=recordpageen_US
dc.identifier.spage1420en_US
dc.identifier.epage1423en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLiu, L=55082554900en_US
dc.identifier.scopusauthoridCheung, SW=7202472784en_US
dc.identifier.scopusauthoridYuk, TI=6603685705en_US

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