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A broadband and high gain transmitarray (TA) antenna, operating at 60 GHz, is presented. As a constituent part of the TA, a multi-layer unit cell (UC) is optimally designed to realize a linear transmission phase response with a continuous variation range of at least 270 ° and a transmission loss less than −3 dB across the desired frequency range from 58 GHz to 64 GHz. Furthermore, an antipodal exponential...
An aperture coupled circular patch antenna is presented for dual circular polarization at Ka-band. Two microstrip lines are used to excite a circular patch through two slots to generate a broadband RHCP and LHCP radiation with high isolation between them. An aperture coupling is employed to provide a wide beamwidth axial ratio. The proposed antenna is a good element candidate to be considered for...
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