Abstract
In this paper, a planar travelling wave tapered slot antenna with compact size is proposed for wireless communication applications. The prototype of antenna is developed on Roger RT/Duroid 5880 laminate with tan δ = 0.0009, a relative permittivity of 2.2 while working in the range of 6GHz – 21GHz. The simple feeding technique transits with radial cavity and the opening taper profile. The antenna dimensions of the antenna have been designed in such a manner so as to enable impedance matching. The parametric study of the variables is carried out by various scrupulous simulations. The designed characteristic antenna has achieved an impedance bandwidth in the broadband spectrum of 111.11% at the minimum 10-dB return loss and peak realized gain of 7dBi is obtained for a resonant frequency of 19.6GHz. The simulated results are in good agreement with experimental results and hence make the antenna suitable for H ( 6 - 8 GHz), X (8 - 12 GHz), Ku (12 - 18 GHz) and K (18 - 26 GHz) and future wireless communication applications.
Highlights
Wireless communication is rapidly growing the demand of smart antennas for the users to provide the more information on a rapid rate
We propose the antenna for H, X, Ku and K band applications with compact physical size
We present the compact high gain antenna with a tapered slot that operates in the broadband spectrum and can be used for the satellite communications, radar system, weather monitoring and very small aperture terminal (VSAT), etc. applications
Summary
Wireless communication is rapidly growing the demand of smart antennas for the users to provide the more information on a rapid rate. In [17], Zhang et al presented the small size microstriplinefed LTSA (Linear Tapered Slot Antenna) with the design of tilt grooves. [23], provides an antenna design with a tapered slot to be used in microwave band communication underwater. We present the compact high gain antenna with a tapered slot that operates in the broadband spectrum and can be used for the satellite communications, radar system, weather monitoring and very small aperture terminal (VSAT), etc. The proposed antenna dimensions are (18.9×13.2×0.508) mm and the broadband impedance bandwidth of 111.11% at the 10-dB return loss has been achieved. The proposed antenna design provides maximum gain, stable radiation pattern and strong current distribution along the direction of opening tapered aperture. The effect of antenna performance parameters and simulated results and discussion are analyzed in Section III, and Section IV gives the conclusion
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