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2020-11-09

Saw-Tooth Shaped Sequentially Rotated Fractal Boundary Square Microstrip Patch Antenna for Wireless Application

By Mandar Padmakar Joshi, Vitthal J. Gond, and Jayant J. Chopade
Progress In Electromagnetics Research Letters, Vol. 94, 109-115, 2020
doi:10.2528/PIERL20092005

Abstract

This paper presents a new saw-tooth shaped sequentially rotated fractal boundary (SRBF) square microstrip patch antenna (SMPA) for wireless application. The square shape is rotated by an angle `θ' and superimposed, realizing fractal like geometry at boundary. The rotation of square shaped patch is divided in equal number of scaling angles θn such that for every iteration of angle θ, fractal boundary geometry has been realized. The square shape is modified into a circular shape patch resonating at 2.5 GHz. A 450 tilted rectangular slot is cut inside the radiating element to achieve circular polarization at 2.45 GHz. The antenna is fabricated using an RT Duroid 5880 substrate, having size of 70 mm x 70 mm. The antenna offers measured impedance bandwidth (VSWR < 2) of 50 MHz (2%) with simulated peak gain about 7 dBi. The fabricated antenna is tested, and measured results are in close agreement with simulated ones.

Citation


Mandar Padmakar Joshi, Vitthal J. Gond, and Jayant J. Chopade, "Saw-Tooth Shaped Sequentially Rotated Fractal Boundary Square Microstrip Patch Antenna for Wireless Application," Progress In Electromagnetics Research Letters, Vol. 94, 109-115, 2020.
doi:10.2528/PIERL20092005
http://www.jpier.org/PIERL/pier.php?paper=20092005

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