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Wideband Annular Ring Slot Microstrip Antenna with Concentric Radiating Structure  

Shin, Ho-Sub (Chungbuk Nat'l University, School of Electrical & Computer Engineering, Division of Information & Communication Engineering)
Kim, Nam (Chungbuk Nat'l University, School of Electrical & Computer Engineering, Division of Information & Communication Engineering)
Rhee, Seung-Yeop (Yosu Nat'l University, School of Engineering, Division of Electronic Communication and Electrical Engineering, Electronic Communication Engineering Program)
Ahn, Bierng-Chearl (Chungbuk Nat'l University, School of Electrical & Computer Engineering, Division of Information & Communication Engineering)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.40, no.9, 2003 , pp. 384-391 More about this Journal
Abstract
The wideband annular ring slot antenna with concentric radiating structure and low impedance feedline has been presented. This antenna has been analyzed in compensation for FR-4 substrate with relative permittivity 4.3 and thickness 1 mm. As the measured 10 dB impedance bandwidth of the proposed antenna is 127.2%(2.17∼9.76 GHz), its bandwidth is much broader than maximum 82% bandwidth of a conventional annular ring slot antenna. Experimental results from 2 to 10 GHz are shown to be in good agreement with the simulation. And this antenna has a high gain above 4 dBi from 2 GHz to 10 GHz as well as a 24% size reduction and 42% area reduction than a circular slot antenna.
Keywords
wideband; microstrip antenna; high gain; miniaturization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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