A novel wideband differentially-fed higher-order mode millimeter-wave patch 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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Article number | 6977926 |
Pages (from-to) | 466-473 |
Journal / Publication | IEEE Transactions on Antennas and Propagation |
Volume | 63 |
Issue number | 2 |
Publication status | Published - 1 Feb 2015 |
Link(s)
Abstract
This paper presents a novel differentially-fed wideband patch antenna working at millimeter-wave band. The antenna is fabricated using conventional low-cost printed-circuit-board and plated-through-hole technologies and the patch size of the element has been enlarged by exploiting higher-order mode operation for good fabrication tolerance. The antenna element is a 0.86 guided wavelength (λg at 60 GHz) long patch shorted at one end. A slot of 0.09 λg in width is introduced on the shorted patch and the distance between the slot center to the other end of the patch is 0.5 λg. The shorted patch resonates at TM30 mode and the 0.46λg patch, created by presence of the slot, operates at TM10 mode. The combination of these two modes broadens the impedance bandwidth of the element to 18%. Asymmetric radiation patterns in the E-plane and large cross-polarization levels in the H-plane generated by a single patch are eradicated by feeding two mirrored elements differentially. The designed differentially-fed prototype has more than 18% measured impedance bandwidth, stable gain at 9-10 dBi and symmetric and stable radiation patterns across the operating band from 56 to 67 GHz.
Research Area(s)
- Bandwidth enhancement, differential feed, higher-order mode, millimeter wave, patch antenna
Citation Format(s)
A novel wideband differentially-fed higher-order mode millimeter-wave patch antenna. / Wang, Dian; Ng, Kung Bo; Chan, Chi Hou et al.
In: IEEE Transactions on Antennas and Propagation, Vol. 63, No. 2, 6977926, 01.02.2015, p. 466-473.
In: IEEE Transactions on Antennas and Propagation, Vol. 63, No. 2, 6977926, 01.02.2015, p. 466-473.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review