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Please use this identifier to cite or link to this item: http://dspace.cityu.edu.hk/handle/2031/7540
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dc.contributor.authorGe, Lei (葛磊)en_US
dc.date.accessioned2015-06-26T08:09:00Z
dc.date.accessioned2017-09-19T09:19:40Z
dc.date.accessioned2019-02-12T08:41:22Z-
dc.date.available2015-06-26T08:09:00Z
dc.date.available2017-09-19T09:19:40Z
dc.date.available2019-02-12T08:41:22Z-
dc.date.issued2014-08en_US
dc.identifier.otheree2014-008en_US
dc.identifier.urihttp://144.214.8.231/handle/2031/7540-
dc.descriptionThe award winning work was published: Ge, L., & Luk, K. M. (2014). Unidirectional antenna for cognitive radio applications. In 2014 IEEE International Workshop on Electromagnetics (iWEM), (pp. 14-15). IEEE. doi: 10.1109/iWEM.2014.6963612en_US
dc.description.abstractA novel band-reconfigurable antenna with stable unidirectional radiation patterns is presented for cognitive radio applications. One wideband mode based on a magneto-electric (ME) dipole and four narrowband modes based on a lengthreconfigurable thin dipole are achieved for operation between 0.83 to 2.16 GHz. PIN diodes are used as switches for choosing different operating modes. The ME dipole technology makes the wideband mode with flat gain (8.7 ± 1 dBi) and well-controlled radiation patterns (cross polarization ≤ -25 dB, back radiation ≤ - 20 dB). Moreover, as parts of the ME dipole, four hollow metal posts can hide the DC bias lines from the RF radiation, which provides the advantages of high efficiency and simple structure.en_US
dc.rightsThis work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.en_US
dc.rightsAccess is unrestricted.en_US
dc.titleUnidirectional antenna for cognitive radio applicationsen_US
dc.typeConference paper/presentationen_US
dc.contributor.departmentDepartment of Electronic Engineeringen_US
dc.description.awardWon the First Prize in the Student Innovation Competition of the 2014 IEEE International Workshop on Electromagnetics (iWEM): Applications and Student Innovation Competition, August 4-6, 2014, Sapporo, Hokkaido, Japan.en_US
dc.description.fulltextAward winning work is available.en_US
dc.description.supervisorProf. Luk, Kwai Manen_US
Appears in Collections:Student Works With External Awards 

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