Elliptical Shaped Wide Slot Monopole Patch Antenna With Crossed Shaped Parasitic Element For Wlan, Wi-Max, And Uwb Application
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS(2020)
Abstract
This paper illustrates the design and performance of microstrip feed elliptical shaped patch antenna having crossed shaped parasitic element. The overall size of antenna is 40 mm x 40 mm x 1.59 mm. For optimization of the performance of antenna, CST Microwave studio 2014 simulator is used while antenna is tested with available facilities under laboratory conditions. Proposed antenna provides triple impedance bandwidth extended between frequency ranges of 2.28-2.62 GHz, 2.70-3.96 GHz, and 5.1-6.29 GHz with flat gain (close to 3-5 dBi) in the desired frequency range. Good circular polarization conditions are realized at frequency 5.90 GHz for different sets of elevation and azimuth angles with maximum axial ratio bandwidth close to 600 MHz at the same frequency. The SAR values at desired frequencies are much lower than those for specified frequencies of modern communication systems. This antenna may be a useful structure for Wi-Fi, WLAN, Wi-MAX communication bands and lower and median UWB bands.
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Key words
bandwidth, circular polarization, gain, parasitic element, SAR
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