Study of bending effects of a wideband paper‐based printed microstrip‐fed antenna

In this article, the authors conduct a study of bending effects of a paper‐based printed antenna in order to predict the behavior of an antenna placed inside a package with restricted dimensions. The study begins with a model of an electrical dipole consisting of two misaligned parts to evaluate qua...

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Bibliographic Details
Published in:Microwave and optical technology letters 2020-04, Vol.62 (4), p.1785-1794
Main Authors: Phan, Hong Phuong, Vuong, Tan‐Phu, Benech, Philippe, Xavier, Pascal, Borel, Pascal
Format: Article
Language:English
Subjects:
3D antenna
Antenna radiation patterns
Bending
bending effect of antenna
Broadband
deformation effect of antenna
Dipoles
Electromagnetism
Electronics
Engineering Sciences
flexible antenna
Frequency ranges
Local area networks
Micro and nanotechnologies
Microelectronics
Microstrip antennas
Monopole antennas
Mushrooms
paper‐based printed antenna
Substrates
Wireless networks
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Summary:In this article, the authors conduct a study of bending effects of a paper‐based printed antenna in order to predict the behavior of an antenna placed inside a package with restricted dimensions. The study begins with a model of an electrical dipole consisting of two misaligned parts to evaluate qualitatively the effect of the angle between two parts and the proportion of their lengths on the radiation properties of the dipole. In order to validate the theoretical prediction, a wide‐band “mushroom‐shaped with two arms” monopole antenna structure printed on 0.104 mm thick paper is proposed. This antenna covers a very wide frequency range from 1.8 GHz to over 10 GHz, including two WLAN bands. Its radiation patterns are nearly omni‐directional at 2.45 and 5.5 GHz. The study of substrate bending effects shows that the matching properties of the antenna are maintained, but the antenna radiation patterns are rotated by an angle with respect to the case without bending. The results of our study can be used to predict the performance of an antenna when it is deformed in a telecommunication set‐top box with restricted dimensions.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.32233