Coplanar waveguide‐fed ultra‐wideband antenna with triple‐band notched design

A novel coplanar waveguide‐fed ultra‐wideband antenna with triple band‐notched function centred at 3.5, 5.5 and 7.5 GHz is proposed. It has small size of 26 × 26 mm2. This antenna consists of an elliptical radiator and a square ground plane with an elliptical slot on one side of the substrate. Besid...

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Bibliographic Details
Published in:Journal of engineering (Stevenage, England) England), 2015-08, Vol.2015 (8), p.255-257
Main Authors: Zhao, Kun, Bai, Dandan, Xia, Yingqing, Wang, Ying
Format: Article
Language:English
Subjects:
antenna feeds
bandwidth requirement
coplanar waveguide-fed ultra-wideband antenna
coplanar waveguides
elliptical radiator
frequency 3.1 GHz to 13.5 GHz
frequency 3.1 GHz to 13.5 GHz
frequency 3.35 GHz to 3.8 GHz
frequency 3.35 GHz to 3.8 GHz
frequency 3.5 GHz
frequency 3.5 GHz
frequency 5.1 GHz to 5.9 GHz
frequency 5.1 GHz to 5.9 GHz
frequency 5.5 GHz
frequency 5.5 GHz
frequency 7.3 GHz to 7.7 GHz
frequency 7.35 GHz to 7.8 GHz
frequency 7.35 GHz to 7.8 GHz
frequency 7.3 GHz to 7.7 GHz
frequency 7.5 GHz
frequency 7.5 GHz
measured voltage standing wave ratio
multifrequency antennas
open-ended elliptical arc-shaped slot
slot antennas
square ground plane
substrate integrated waveguides
triple-band notched design
ultra wideband antennas
WiMax
wireless LAN
wireless local area network band
working frequency range
Worldwide Interoperability-for-Microwave Access
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Description
Summary:A novel coplanar waveguide‐fed ultra‐wideband antenna with triple band‐notched function centred at 3.5, 5.5 and 7.5 GHz is proposed. It has small size of 26 × 26 mm2. This antenna consists of an elliptical radiator and a square ground plane with an elliptical slot on one side of the substrate. Besides, two circles with a radius of 2 mm were dug from the edge of the outer ellipse to realise the bandwidth requirement. To avoid interference from Worldwide Interoperability for Microwave Access, a single open‐ended elliptical arc‐shaped slot was etched on the top side of the ground. Moreover, another elliptical arc‐shaped slot notched at wireless local area network band was etched on the elliptical radiator and two systemically C‐shaped slots working at 7.3–7.7 GHz was embedded on the structure. Measured voltage standing wave ratio shows the working frequency range was from 3.1 to 13.5 GHz except for notched bands of 3.35–3.8, 5.1–5.9 and 7.35–7.8 GHz.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2015.0108