Low profile single-layer U-slot loaded shorted-patch antenna for wireless communications
Date
2017
Authors
Morshed, K.M.
Karmokar, D.K.
Esselle, K.P.
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Microwave and Optical Technology Letters, 2017; 59(9):2224-2226
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Abstract
A U-slot loaded single-layer compact shorted-patch antenna is presented for wireless communications in the 5.8 GHz band. The size of the prototyped antenna is only 30 mm x 30 mm, which is very small compared to single-layer antennas for the same frequency band. The measured -10 dB reflection coefficient bandwidth of the antenna is 140 MHz (5.67-5.81 GHz). The peak measured boresight gain and directivity of the antenna are 7.4 and 8 dBi, respectively, and their variation within the band is less than 1 dB. The measured 3-dB beamwidths of the antenna at 5.8 GHz are 79 degrees and 69 degrees in the E-plane and H-plane, respectively. An easy way to shift the antenna resonance frequency is also investigated.
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Copyright 2017 Wiley