Abstract
A compact planar microstrip line fed 2S patch antenna has been designed and fabricated on the dielectric material substrate for D band applications. The proposed antenna is designed and analysed by using widely used finite element method based high frequency electromagnetic simulator HFSS. Measurement results show that the impedance bandwidths (return loss less than -10 dB) of the proposed antenna are 1.2 GHz ranges from 5.25 GHz to 6.40 GHz and 2.8 GHz from 10.9 GHz to 13.8 GHz. The simulated gain 2.09 dBi, 5.8 dBi, and 5.7 dBi with radiation efficiency 45 %, 64 % and 66 % have achieved at three minimum return loss frequencies 5.6 GHz, 11.5 GHz and 12.7 GHz respectively. The measured almost symmetric and stable radiation pattern makes the proposed antenna suitable for C, X, and Ku band applications. Furthermore, the effect of the size of cutting lots over the radiating patch on the return loss has been analysed. DOI: http://dx.doi.org/10.5755/j01.eee.20.1.6171
Highlights
In response to the increasing demand of compact, smart, lightweight, low profile multi-technology device microstrip line fed planar patch antennas receive a significant amount of research concentration to be integrated with small communication terminal [1]–[3]
In order to integrate with the smart wireless communication devices, the planar patch antennas are needful to be low cost, compact and compatible for multiband applications
In literature different types of patch antennas were studied by several researchers such as circular slot antenna [6], circular ring [7], dual band dipole [8], metamaterial [9], stacked patch [10] etc
Summary
In response to the increasing demand of compact, smart, lightweight, low profile multi-technology device microstrip line fed planar patch antennas receive a significant amount of research concentration to be integrated with small communication terminal [1]–[3]. In literature different types of patch antennas were studied by several researchers such as circular slot antenna [6], circular ring [7], dual band dipole [8], metamaterial [9], stacked patch [10] etc Most of these antennas are either narrow bandwidth, low gain or relatively bigger in size. A substantial amount of research attention was focused on to design low profile, lightweight, less expensive, small patch antennas to integrate with multipurpose communication devices for more than one application. At three minimum return loss frequencies 5.6 GHz, 11.5 GHz and 12.7 GHz the proposed antenna achieved a peak gain 2.09 dBi, 5.8 dBi, and 5.7 dBi with radiation efficiency 45 %, 64 % and 66 % correspondingly
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