Vol. 118

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2022-01-20

Defected Star-Shaped Microstrip Patch Antenna for Broadband Applications

By Mahesh Shankar Pandey and Virendra Singh Chaudhary
Progress In Electromagnetics Research C, Vol. 118, 11-24, 2022
doi:10.2528/PIERC21110201

Abstract

This research article proposes a Defected Star-Shaped Microstrip Antenna (DSSMSA) for wideband applications. A designed monopole antenna has a defected star-shaped tuning stub with a defected ground structure energised with a microstrip feed line. An appropriate tuning of resonating modes wideband frequency effect has been achieved by optimising the dimensions of the tuning stub and the dimensions of the defected ground and its notch. Surface current distribution plays a vital role in optimising the antenna geometry and developing mathematical resonating frequencies equations. The simulated and experimental results show that the DSSMSA radiates under the frequency band from 1.6638 GHz to 6.652 GHz with measured fractional bandwidth of 119.9692% for |S11| < -10 dB. Optimised DSSMSA resonates at frequencies 2.05 GHz, 3.382 GHz, and 5.494 GHz. As the geometry of DSSMSA is symmetrical, the symmetric far-field pattern has been found in the far-field.

Citation


Mahesh Shankar Pandey and Virendra Singh Chaudhary, "Defected Star-Shaped Microstrip Patch Antenna for Broadband Applications," Progress In Electromagnetics Research C, Vol. 118, 11-24, 2022.
doi:10.2528/PIERC21110201
http://jpier.org/PIERC/pier.php?paper=21110201

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