Study on the CPWG Antenna of 1.8GHz | Zendy

Yong Wook Park | Zendy

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Study on the CPWG Antenna of 1.8GHz

Author(s) -

Yong Wook Park

Publication year - 2016

Publication title -

journal of the korea academia-industrial cooperation society

Language(s) - English

Resource type - Journals

eISSN - 2288-4688

pISSN - 1975-4701

DOI - 10.5762/kais.2016.17.2.259

Subject(s) - hfss , patch antenna , materials science , return loss , coaxial antenna , microstrip antenna , antenna (radio) , center frequency , antenna factor , antenna measurement , optics , acoustics , telecommunications , physics , computer science , band pass filter

In this study, the properties of a patch antenna fed by a coplanar waveguide with ground (CPWG) and design method were studied. The antenna was impedance-matched to the CPWG feedline by adjusting the width, length, and position of the patch. To improve the frequency properties of the CPWG type antenna, patch length, patch width, patch position, and ground distance were simulated using HFSS (High Frequency Structure Simulator) simulation program. A CPWG antenna of 1.8 GHz for LTE band was designed and fabricated by photolithography on an FR4 substrate (dielectric constant of 4.4 and thickness of 0.8 mm). The fabricated antenna was analyzed using a network analyzer. The measured results agree well with the simulations, which confirmed the validity of this study. The fabricated CPWG antenna showed a center frequency, minimum return loss and -10dB bandwidth of 1.8GHz, -32.1dB, 22MHz and respectively. The proposed antenna is expected to be applicable to the LTE band.

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