Bandwidth Enhancement Method for Low Profile E-Shaped Microstrip Patch Antennas

A simple bandwidth enhancement method for low profile E-shaped patch antennas is presented. By introducing a distributed LC circuit to the E-shaped patch antenna, a new resonant frequency close to that of the E-shaped patch is obtained, thus the bandwidth is widened. Moreover, the air thickness of t...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2010-07, Vol.58 (7), p.2442-2447
Main Authors: Chen, Yikai, Yang, Shiwen, Nie, Zaiping
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Bandwidth
Broadband antennas
Distributed control
GSM
Impedance
LC circuits
Loaded antennas
Low profile
Microstrip antennas
Mobile antennas
Patch antennas
Prototypes
Resonant frequencies
wideband antennas
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Summary:A simple bandwidth enhancement method for low profile E-shaped patch antennas is presented. By introducing a distributed LC circuit to the E-shaped patch antenna, a new resonant frequency close to that of the E-shaped patch is obtained, thus the bandwidth is widened. Moreover, the air thickness of the E-shaped patch antennas is reduced to only 0.0344λ 0 . A prototype antenna operated at AMPS band (824-894 MHz) was fabricated and measured. Measured results show that the designed low profile antenna has an impedance bandwidth over 9% for VSWR
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2010.2048850