Unidirectional antenna for cognitive radio applications

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

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Author(s)

Detail(s)

Original languageEnglish
Title of host publicationIEEE iWEM 2014 - IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition
PublisherInstitute of Electrical and Electronics Engineers, Inc.
Pages14-15
ISBN (print)9781479948154
Publication statusPublished - 20 Nov 2014

Workshop

Title2014 IEEE International Workshop on Electromagnetics (IEEE iWEM 2014)
PlaceJapan
CitySapporo, Hokkaido
Period4 - 6 August 2014

Abstract

A 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 length-reconfigurable 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.

Research Area(s)

  • cognitive radio, directed dipole, magneto-electric dipole, Reconfigurable antenna

Citation Format(s)

Unidirectional antenna for cognitive radio applications. / Ge, Lei; Luk, Kwai Man.
IEEE iWEM 2014 - IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition. Institute of Electrical and Electronics Engineers, Inc., 2014. p. 14-15 6963612.

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review