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Article: Dual-band monopole antenna with frequency-tunable feature for WiMAX applications

TitleDual-band monopole antenna with frequency-tunable feature for WiMAX applications
Authors
Issue Date2013
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7727
Citation
IEEE Antennas and Wireless Propagation Letters, 2013, v. 12, p. 100-103 How to Cite?
AbstractA planar dual-band monopole antenna with a frequency-tunable band is presented. The structure of the antenna radiator has a stem connecting to two branches that are used to generate two frequency bands at around 2.4 and 3.4 GHz for Worldwide Interoperability for Microwave Access (WiMAX) applications. The lower band covers the WiMAX frequency band of 2.3-2.4 GHz, while the higher band is frequency-tunable to the WiMAX frequency bands of 3.3-3.4, 3.4-3.6 and 3.6-3.8 GHz. The frequency tunability is achieved by using the reverse-bias voltage across a varactor that is placed between the stem and one of the radiating branches of the radiator. In this study, the radiating branch responsible for the higher band is selected for tuning. A simple and novel biasing circuit, consisting of two radio frequency (RF) choke resistors and an L-shaped stub, is designed for biasing the varactor. Results show that the higher band can be continuously tuned in frequency, yet keeping the lower band unchanged. The reflection coefficient, radiation pattern, and efficiency of the antenna are studied using computer simulation and measurement. © 2013 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/189079
ISSN
2015 Impact Factor: 1.751
2015 SCImago Journal Rankings: 1.901
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSun, Xen_US
dc.contributor.authorCheung, SWen_US
dc.contributor.authorYuk, TTIen_US
dc.date.accessioned2013-09-17T14:24:56Z-
dc.date.available2013-09-17T14:24:56Z-
dc.date.issued2013-
dc.identifier.citationIEEE Antennas and Wireless Propagation Letters, 2013, v. 12, p. 100-103en_US
dc.identifier.issn1536-1225-
dc.identifier.urihttp://hdl.handle.net/10722/189079-
dc.description.abstractA planar dual-band monopole antenna with a frequency-tunable band is presented. The structure of the antenna radiator has a stem connecting to two branches that are used to generate two frequency bands at around 2.4 and 3.4 GHz for Worldwide Interoperability for Microwave Access (WiMAX) applications. The lower band covers the WiMAX frequency band of 2.3-2.4 GHz, while the higher band is frequency-tunable to the WiMAX frequency bands of 3.3-3.4, 3.4-3.6 and 3.6-3.8 GHz. The frequency tunability is achieved by using the reverse-bias voltage across a varactor that is placed between the stem and one of the radiating branches of the radiator. In this study, the radiating branch responsible for the higher band is selected for tuning. A simple and novel biasing circuit, consisting of two radio frequency (RF) choke resistors and an L-shaped stub, is designed for biasing the varactor. Results show that the higher band can be continuously tuned in frequency, yet keeping the lower band unchanged. The reflection coefficient, radiation pattern, and efficiency of the antenna are studied using computer simulation and measurement. © 2013 IEEE.-
dc.languageengen_US
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7727-
dc.relation.ispartofIEEE Antennas and Wireless Propagation Lettersen_US
dc.rightsIEEE Antennas and Wireless Propagation Letters. Copyright © Institute of Electrical and Electronics Engineers.-
dc.rights©2013 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleDual-band monopole antenna with frequency-tunable feature for WiMAX applicationsen_US
dc.typeArticleen_US
dc.identifier.emailCheung, SW: swcheung@eee.hku.hken_US
dc.identifier.emailYuk, TTI: tiyuk@eee.hku.hken_US
dc.identifier.authorityCheung, SW=rp00102en_US
dc.identifier.authorityYuk, TTI=rp00210en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/LAWP.2013.2242252-
dc.identifier.scopuseid_2-s2.0-84882452918-
dc.identifier.hkuros224944en_US
dc.identifier.volume12en_US
dc.identifier.spage100en_US
dc.identifier.epage103en_US
dc.identifier.isiWOS:000316792500027-
dc.publisher.placeUnited States-

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