CST – Computer Simulation Technology

Title:
DESIGN AND INVESTIGATION OF DIFFERENT STURECTURE OF DIELECTRIC RESONATOR ANTENNA
Author(s):
Aven Patel , Reena Panchal
Source:
INTERNATONAL JOURNAL OF INNOVATIVE RESEARCH IN TECHNOLOGY
Vol./Issue/Date:
Volume: 1; Issue: 6; 2014
Year:
2014
Page(s):
176 - 179
Keywords:
Dielectric Resonator Antenna (DRA), matching bandwidth, hollow cylindrical dielectric antenna (HCDRA), S11- parameter, impedance bandwidth (IBW)
Abstract:
Objective of this study is to enhance radius of curvature of return loss, input impedance & explore SWR and radiation pattern. Hollow CDRA has been used instead of single-element CDRA to achieve the above mentioned goal. The impedance bandwidth of a high permittivity hollow cylindrical dielectric resonator antenna excited by micro-strip lines was significantly improved by modifying the feed geometry. The main idea of the present study is to upgrade the bandwidth of the dielectric resonator Antenna. A new hollow cylindrical dielectric antenna above the ground plain is proposed here. The matching bandwidth is 4.45-5.85 GHz and maximum radiation gain are 5.37 dB at 5.045GHz. The 10 dB return loss bandwidth enhance 12% to 27.75% (4.45-5.85GHz) without much affecting the gain and other radiation properties of antenna. The performance of the dielectric resonator antenna is simulated by electromagnetic simulator CST Microwave Studio.
Document:

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