Journal
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume 56, Issue 5, Pages 1088-1092Publisher
WILEY-BLACKWELL
DOI: 10.1002/mop.28278
Keywords
slot antenna; coplanar waveguide-fed; ultrawideband antenna; wireless local area network band; band-notched function
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Funding
- Science and research branch of Islamic Azad University, West Azarbayjan, Iran
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A recently designed printed slot antenna is presented that incorporates variable band-notched function for ultrawideband applications. The band notch of this coplanar waveguide fed antenna is achieved by an M-shaped slot embedded in the radiating element, so a narrow rejected property in the wireless local area network band (5.15-5.825 GHz) is obtained. The rectangular aperture etched in the square ground plane has a determinative role in antenna's impedance band width (IBW) enhancement, and carefully adjusting it leads to wide IBW that due to simulated results it covers the frequency range 2.58-12.86 GHz with VSWR2, which corresponds to a fractional bandwidth of 133% excluding the rejected band around 5.04-6.08 GHz. Numerical and experimental results are presented to understand its behavior. The volume of the proposed antenna is 25 x 25 x 0.8 mm(3). (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1088-1092, 2014
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