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- Title
A coplanar waveguide‐fed flexible antenna for ultra‐wideband applications.
- Authors
Zhang, Ying; Li, Shandong; Yang, Zhi‐Qun; Qu, Xiao‐Yun; Zong, Wei‐Hua
- Abstract
This paper presents a novel ultra‐wideband (UWB) antenna printed on a 70 μm thick flexible substrate. The proposed antenna consists of a hybrid‐shaped patch fed by coplanar waveguide (CPW). The ground planes on opposite sides of the feeding line have different height to improve antenna bandwidth. Simulation shows that the proposed antenna maintain wide bandwidth when changing its substrate's thickness and dielectric constant, as well as bending the antenna on a cylindrical foam. The proposed antenna is fabricated in laboratory with a simple and low‐cost wet printed circuit board (PCB) etching technique. Measured bandwidths cover 3.06 to 13.58, 2.8 to 13.55, and 3.1 to 12.8 GHz in cases of flat state and bent with radii of 20 and 10 mm, respectively. Measured radiation patterns show the antenna is omnidirectional in flat and bent cases.
- Subjects
COPLANAR waveguides; ULTRA-wideband antennas; ANTENNA radiation patterns; OMNIDIRECTIONAL antennas; PRINTED circuits; PERMITTIVITY
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2020, Vol 30, Issue 8, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.22258