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access icon free Split quadrilateral miniaturised multiband microstrip patch antenna design for modern communication system

© The Institution of Engineering and Technology
Received 27/10/2016, Accepted 06/03/2017, Revised 18/02/2017, Published 21/04/2017

In this study, a mixed split quadrilateral multiband microstrip antenna is designed and its measurement results in terms of different parameters are given. The proposed antenna is fed by a 50 Ω microstrip line. FR-4 (Lossy) is used as a substrate to design the recommended antenna which has a condensed structure of 0.23λ × 0.31λ. This antenna operates at C-, X-, Ku-, and K-band with moderate bandwidth because of its design and feedline. This patch antenna is designed to support models with resonances at 6.30, 7.10, 7.50, 8.70, 12.80, 17.0, and 21.30 GHz, respectively. Regarding the proposed split multiband quadrilateral antenna, results are obtained in terms of reflection coefficient, gain and radiation pattern which have admissible values of reflection coefficient of <−10 dB at each resonant frequency and gain >3.0 dB. It has a reflection coefficient is −20.15 dBi and an efficiency of 86%. The prospective antenna has a compact size, good radiation characteristics and good time domain behaviour to mollify the obligation of the modern communication system.

Inspec keywords: microstrip lines; antenna radiation patterns; microstrip antennas; multifrequency antennas

Other keywords: resistance 50 ohm; frequency 6.30 GHz to 21.30 GHz; modern communication system; microstrip line; radiation pattern; good time domain behaviour; reflection coefficient; split quadrilateral miniaturised multiband microstrip patch antenna design

Subjects: Single antennas; Waveguides and microwave transmission lines

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http://iet.metastore.ingenta.com/content/journals/10.1049/iet-map.2016.0938
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