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Article: Deep band-notched ultra-wideband planar monopole antenna using meander lines

TitleDeep band-notched ultra-wideband planar monopole antenna using meander lines
Authors
Issue Date2013
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176
Citation
Microwave & Optical Technology Letters, 2013, v. 55 n. 5, p. 1085-1091 How to Cite?
AbstractThe article presents the design of a planar ultra-wideband (UWB) monopole antenna with a deep band-notched characteristic. The antenna has an elliptical radiator fed by a microstrip line and a small ground-plane size of 30×15 mm2. Two pairs of meander lines (MLs) are employed to implement the deep band-notched characteristic. One pair of the MLs is placed closely on both sides of the microstrip-feed line with one of their ends shorted to ground. The other pair is placed at the upper edges of the ground plane on the other side of the substrate. The frequency range of the notched band can be controlled by the dimensions of the MLs. In our studies, the notched band is designed in the frequency band from 5.1 to 5.85 GHz to suppress the signals in the WLAN system. The antenna is studied and optimized using computer simulation. For verification of simulation results, the antenna is fabricated and measured. Results show that, by using the two pairs of MLs, the gain of the antenna at the notch frequency can be suppressed by 14 dB, with the efficiency reduced to less than 5%. Due to the small ground-plane size used in the antenna, the feeding cable used for measurements in the measurement equipment has significant effects on the measured results. This leads to large discrepancies between the simulated and measured results at low frequencies. To study this, the model of the feeding cable is also included in simulation and the results show that the discrepancies are substantially reduced. © 2013 Wiley Periodicals, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/189081
ISSN
2015 Impact Factor: 0.545
2015 SCImago Journal Rankings: 0.372
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, Len_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.citationMicrowave & Optical Technology Letters, 2013, v. 55 n. 5, p. 1085-1091en_US
dc.identifier.issn0895-2477-
dc.identifier.urihttp://hdl.handle.net/10722/189081-
dc.description.abstractThe article presents the design of a planar ultra-wideband (UWB) monopole antenna with a deep band-notched characteristic. The antenna has an elliptical radiator fed by a microstrip line and a small ground-plane size of 30×15 mm<sup>2</sup>. Two pairs of meander lines (MLs) are employed to implement the deep band-notched characteristic. One pair of the MLs is placed closely on both sides of the microstrip-feed line with one of their ends shorted to ground. The other pair is placed at the upper edges of the ground plane on the other side of the substrate. The frequency range of the notched band can be controlled by the dimensions of the MLs. In our studies, the notched band is designed in the frequency band from 5.1 to 5.85 GHz to suppress the signals in the WLAN system. The antenna is studied and optimized using computer simulation. For verification of simulation results, the antenna is fabricated and measured. Results show that, by using the two pairs of MLs, the gain of the antenna at the notch frequency can be suppressed by 14 dB, with the efficiency reduced to less than 5%. Due to the small ground-plane size used in the antenna, the feeding cable used for measurements in the measurement equipment has significant effects on the measured results. This leads to large discrepancies between the simulated and measured results at low frequencies. To study this, the model of the feeding cable is also included in simulation and the results show that the discrepancies are substantially reduced. © 2013 Wiley Periodicals, Inc.-
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37176-
dc.relation.ispartofMicrowave & Optical Technology Lettersen_US
dc.rightsMicrowave & Optical Technology Letters. Copyright © John Wiley & Sons, Inc.-
dc.titleDeep band-notched ultra-wideband planar monopole antenna using meander linesen_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.identifier.doi10.1002/mop.27521-
dc.identifier.scopuseid_2-s2.0-84875425355-
dc.identifier.hkuros224950en_US
dc.identifier.volume55en_US
dc.identifier.issue5-
dc.identifier.spage1085en_US
dc.identifier.epage1091en_US
dc.identifier.isiWOS:000316695000037-
dc.publisher.placeUnited States-

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