A Butterfly-Shaped Wideband Microstrip Patch Antenna for Wireless Communication

A novel butterfly-shaped patch antenna for wireless communication is introduced in this paper. The antenna is designed for wideband wireless communications and radio-frequency identification (RFID) systems. Two symmetrical quasi-circular arms and two symmetrical round holes are incorporated into the...

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Bibliographic Details
Published in:International journal of antennas and propagation 2015-01, Vol.2015 (2015), p.1-8
Main Authors: Zhu, Yunlong, Hu, Jing-tao, He, Maowei, Sun, Liling, Chen, Hanning
Format: Article
Language:English
Subjects:
Antennas
Bandwidth
Bandwidths
Communication
Computer networks
Design engineering
Geometry
Noise levels
Patch antennas
Spectrum allocation
Wideband
Wireless communication
Wireless communications
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Summary:A novel butterfly-shaped patch antenna for wireless communication is introduced in this paper. The antenna is designed for wideband wireless communications and radio-frequency identification (RFID) systems. Two symmetrical quasi-circular arms and two symmetrical round holes are incorporated into the patch of a microstrip antenna to expand its bandwidth. The diameter and position of the circular slots are optimized to achieve a wide bandwidth. The validity of the design concept is demonstrated by means of a prototype having a bandwidth of about 40.1%. The return loss of the butterfly-shaped antenna is greater than 10 dB between 4.15 and 6.36 GHz. The antenna can serve simultaneously most of the modern wireless communication standards.
ISSN:1687-5869
1687-5877
DOI:10.1155/2015/328208