Unidirectional antenna for cognitive radio applications
Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
Original language | English |
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Title of host publication | IEEE iWEM 2014 - IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition |
Publisher | Institute of Electrical and Electronics Engineers, Inc. |
Pages | 14-15 |
ISBN (print) | 9781479948154 |
Publication status | Published - 20 Nov 2014 |
Workshop
Title | 2014 IEEE International Workshop on Electromagnetics (IEEE iWEM 2014) |
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Place | Japan |
City | Sapporo, Hokkaido |
Period | 4 - 6 August 2014 |
Link(s)
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.
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 Works › RGC 32 - Refereed conference paper (with host publication) › peer-review