An Electrically Controlled Pattern- and Polarization-Reconfigurable Cylindrical Dielectric Resonator Antenna
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
Original language | English |
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Pages (from-to) | 2309-2313 |
Number of pages | 5 |
Journal / Publication | IEEE Antennas and Wireless Propagation Letters |
Volume | 20 |
Issue number | 12 |
Online published | 2 Sept 2021 |
Publication status | Published - Dec 2021 |
Link(s)
Abstract
A pattern- and polarization-reconfigurable dielectric resonator (DR) antenna (DRA) is presented. It deploys a conventional cylindrical DR with a new switchable feeding network. The feeding network has four slots that are etched in the ground. By tuning the phase distributions in these slots, three DR modes (the TM01δ and two degenerated HEM113 modes) are excited. The former has an omnidirectional radiation pattern, whereas the latter two have boresight patterns with orthogonal polarizations (x- and y-polarization). By tuning the height-to-radius ratio, these modes can be designed to operate at the same frequency, thus enabling both the pattern and polarization reconfigurability. A prototype of the reconfigurable DRA working in the 2.4 GHz is fabricated and measured to verify ideas. Reasonable agreement between measurements and simulations is obtained. Our design provides both pattern and polarization reconfigurability, with good efficiency in the band of interest.
Research Area(s)
- dielectric resonator antenna (DRA), PIN diodes, polarizations, radiation patterns, Reconfigurable antenna
Citation Format(s)
An Electrically Controlled Pattern- and Polarization-Reconfigurable Cylindrical Dielectric Resonator Antenna. / Liu, Xiyao; Leung, Kwok Wa; Zhang, Tianyu et al.
In: IEEE Antennas and Wireless Propagation Letters, Vol. 20, No. 12, 12.2021, p. 2309-2313.
In: IEEE Antennas and Wireless Propagation Letters, Vol. 20, No. 12, 12.2021, p. 2309-2313.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review