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- Title
Substrate integrated low‐profile dual‐band magneto‐electric dipole antenna.
- Authors
Shuai, Chen‐Yang; Wang, Guang‐Ming
- Abstract
Abstract: In this article, a novel substrate integrated low‐profile dual‐band magneto‐electric (ME) dipole antenna is proposed. The entire antenna is constructed by four‐layer printed circuit boards (PCBs). Consequently, the height of the proposed antenna is decreased from 0.25λ0 to 0.11λ0 (λ0 is the free‐space wavelength at 5.5 GHz). By introducing rectangular patches with different sizes as electric dipoles, dual operating bands are achieved. Meanwhile, for the purpose of improving the impedance matching at the lower frequency band, a pair of complementary split‐ring resonators (CSRRs) is etched on the larger rectangular patches. Moreover, the short walls composed of plated through holes operate as a magnetic dipole. The antenna is fed by an equivalent wideband microstrip‐to‐parallel stripline balun. The results show that the antenna obtains dual bandwidths of 4.31‐4.71 GHz (8.8%) and 5.07‐5.89 GHz (14.9%) with VSWR <2, which can be applied for C‐band and 5G WiFi. Over the dual operating bands, stable gain and unidirectional radiation patterns with low polarization and low back lobe are also obtained.
- Subjects
MAGNETIC dipoles; ELECTRIC dipole moments; DIPOLE antennas; ELECTRIC impedance; ANTENNA radiation patterns
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2018, Vol 28, Issue 4, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.21229