Design and Performance analysis of Microstrip Patch antenna for C band applications
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International Journal of Engineering Trends and Technology (IJETT) | 
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| © 2017 by IJETT Journal | ||
| Volume-48 Number-5 |
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| Year of Publication : 2017 | ||
| Authors : Divesh Mittal, Aman Nag, Ekambir Sidhu |
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| DOI : 10.14445/22315381/IJETT-V48P243 |
Citation
Divesh Mittal, Aman Nag, Ekambir Sidhu "Design and Performance analysis of Microstrip Patch antenna for C band applications", International Journal of Engineering Trends and Technology (IJETT), V48(5),242-246 June 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Abstract
A microstrip feed compact rectangular microstrip antenna designed in CST 2016 has been proposed and presented in this paper. The proposed microstrip patch antenna design has been devised using woven fiberglass cloth substrate (FR4) having depth of 0.157 cm with a dielectric constant of (?r= 4.4) and loss angle of 3.18 degree. The ground, patch and feedline are of copper material having conductivity and resistivity of 5.67 × 108 S/m and 1.69 × 10-7 ?-m, respectively. A rectangular slot has been cut in the upper rim of the patch to stint the resonant frequency. A small rectangular slot has been added within the patch to increase the bandwidth performance of the antenna. The antenna patch size after slotting has been abridged by 10.12% when compared to a conventional rectangular shaped microstrip patch antenna with a maximum bandwidth of 2.65 GHz and return loss of -60.29 dB. A broad scrutiny of the return loss pattern (dB), directive gain (dB), performance efficiency and directivity (dBi) of the insinuated antenna design has been tendered in this paper. The simple structure and low profile characteristics of the proposed antenna design make it easy to fabricate and employable in the field of wireless communication system. The proposed antenna is capable of operating in the C band having frequency range of 4 GHz – 8 GHz. The input impedance of antenna is 49.96 ohms which meticulously matches with the input impedance of SMA cable having impedance of 50 ohms. This leads reduction in reflection coefficient. The proffered antenna has the capability of being suitably deployed for ISM band, maritime military systems, maritime communications, SAR communications, aeronautical military systems, land military systems and aeronautical communications.
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Keywords
Directivity, FR4, Gain, Microstrip Antenna Radiation pattern, VSWR.