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Article: Reconfigurable tri-band H-shaped antenna with frequency selectivity feature for compact wireless communication systems

TitleReconfigurable tri-band H-shaped antenna with frequency selectivity feature for compact wireless communication systems
Authors
Issue Date2011
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.iee.org/Publish/Journals/Profjourn/Proc/map/
Citation
IET Microwaves, Antennas and Propagation, 2011, v. 5 n. 14, p. 1675-1682 How to Cite?
AbstractThis study presents an H-shaped reconfigurable antenna for wireless applications. The antenna consists of an H-shape radiator and a CPW printed on a circuit board and a varactor diode connecting the upper and lower arms of the H-shape radiator for reconfigurability. The uniqueness of the antenna lies on the ability to select the operating mode and frequencies electronically using a varactor diode. By selecting the DC-bias voltages of 11.5, 10 and 8 V across the varactor diode, which in turn selects the corresponding varactor capacitances of 2, 4 and 6 pF, the antenna can be controlled to operate in three different modes, namely a single-band mode to cover the GSM1900, a dual-band mode at 1.88 and 2.4 GHz to cover the GSM1900 and Bluetooth/WLAN, respectively and a tri-band mode at 1.57, 1.88 and 2.4 GHz to cover the GSM1900, WLAN and GPS, respectively. Furthermore, by varying the varactor capacitance from 7 to 13 pF, the GPS and WLAN bands can be tuned by 11.44% (1.57-1.4 GHz) and 6.46% (2.4-2.25 GHz), respectively, yet keeping the 1.88-GHz band unchanged. Detailed studies on the antenna's performance are carried out to investigate the behaviour of the antenna at each resonant frequency in each operating mode. © 2011 The Institution of Engineering and Technology.
Persistent Identifierhttp://hdl.handle.net/10722/155711
ISSN
2015 Impact Factor: 0.817
2015 SCImago Journal Rankings: 0.755
ISI Accession Number ID
Funding AgencyGrant Number
Measurements for Innovators (MFI) program
National Measurement Office, an Executive Agency of the Department for Business, Innovation and Skills
Funding Information:

The measurements at the NPL SMART chamber were supported by the Measurements for Innovators (MFI) program and the National Measurement Office, an Executive Agency of the Department for Business, Innovation and Skills.

References

 

DC FieldValueLanguage
dc.contributor.authorAbutarboush, HFen_US
dc.contributor.authorNilavalan, Ren_US
dc.contributor.authorNasr, KMen_US
dc.contributor.authorCheung, SWen_US
dc.contributor.authorPeter, Ten_US
dc.contributor.authorAl-Raweshidy, HSen_US
dc.contributor.authorBudimir, Den_US
dc.date.accessioned2012-08-08T08:34:57Z-
dc.date.available2012-08-08T08:34:57Z-
dc.date.issued2011en_US
dc.identifier.citationIET Microwaves, Antennas and Propagation, 2011, v. 5 n. 14, p. 1675-1682en_US
dc.identifier.issn1751-8725en_US
dc.identifier.urihttp://hdl.handle.net/10722/155711-
dc.description.abstractThis study presents an H-shaped reconfigurable antenna for wireless applications. The antenna consists of an H-shape radiator and a CPW printed on a circuit board and a varactor diode connecting the upper and lower arms of the H-shape radiator for reconfigurability. The uniqueness of the antenna lies on the ability to select the operating mode and frequencies electronically using a varactor diode. By selecting the DC-bias voltages of 11.5, 10 and 8 V across the varactor diode, which in turn selects the corresponding varactor capacitances of 2, 4 and 6 pF, the antenna can be controlled to operate in three different modes, namely a single-band mode to cover the GSM1900, a dual-band mode at 1.88 and 2.4 GHz to cover the GSM1900 and Bluetooth/WLAN, respectively and a tri-band mode at 1.57, 1.88 and 2.4 GHz to cover the GSM1900, WLAN and GPS, respectively. Furthermore, by varying the varactor capacitance from 7 to 13 pF, the GPS and WLAN bands can be tuned by 11.44% (1.57-1.4 GHz) and 6.46% (2.4-2.25 GHz), respectively, yet keeping the 1.88-GHz band unchanged. Detailed studies on the antenna's performance are carried out to investigate the behaviour of the antenna at each resonant frequency in each operating mode. © 2011 The Institution of Engineering and Technology.en_US
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.iee.org/Publish/Journals/Profjourn/Proc/map/en_US
dc.relation.ispartofIET Microwaves, Antennas and Propagationen_US
dc.rightsThis paper is a postprint of a paper submitted to and accepted for publication in IET Microwaves, Antennas & Propagation and is subject to IET copyright. The copy of record is available at http://digital-library.theiet.org/content/journals/10.1049/iet-map.2010.0518-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleReconfigurable tri-band H-shaped antenna with frequency selectivity feature for compact wireless communication systemsen_US
dc.typeArticleen_US
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.description.naturepostprinten_US
dc.identifier.doi10.1049/iet-map.2010.0518en_US
dc.identifier.scopuseid_2-s2.0-84055198352en_US
dc.identifier.hkuros207662-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84055198352&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume5en_US
dc.identifier.issue14en_US
dc.identifier.spage1675en_US
dc.identifier.epage1682en_US
dc.identifier.isiWOS:000298347000003-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridAbuTarboush, HF=26634701500en_US
dc.identifier.scopusauthoridNilavalan, R=6603111339en_US
dc.identifier.scopusauthoridNasr, KM=8277782300en_US
dc.identifier.scopusauthoridCheung, SW=7202472784en_US
dc.identifier.scopusauthoridPeter, T=36161443200en_US
dc.identifier.scopusauthoridAl-Raweshidy, HS=35586300900en_US
dc.identifier.scopusauthoridBudimir, D=7004708229en_US

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