A Novel Wideband Fractal Rectangular Dielectric Resonator Antenna with Improved Radiation Performance

In this article, a novel offset microstrip line feed Rectangular Dielectric Resonator Antenna is used for bandwidth enhancement. The parameters such as Bandwidth, Return Loss and Radiation efficiency are improved in the proposed antenna. A comparison is also shown for the proposed feed structure with and without conformal strips. The improvement in the bandwidth is observed from 25% to 65% by optimizing the antenna design parameters. It works in three frequency bands, that is, 2.03-3.69 GHz, 3.86-7.26 GHz, and 7.32-9.26 GHz. The proposed antenna is appropriate for WIMAX/WLAN applications.

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Circularly polarized rectangular dielectric resonator antenna excited by an off-set conformal metal strip

Indonesian Journal of Electrical Engineering and Computer Science ◽

10.11591/ijeecs.v15.i2.pp902-909 ◽

2019 ◽

Vol 15 (2) ◽

pp. 902 ◽

Cited By ~ 1

Author(s):

U. Illahi ◽

J. Iqbal ◽

M. I. Sulaiman ◽

M Alam ◽

M. S. Mazliham ◽

...

Keyword(s):

Dielectric Resonator ◽

Impedance Matching ◽

Metal Strip ◽

Antenna Design ◽

Far Field ◽

Dielectric Resonator Antenna ◽

Simulation Techniques ◽

Resonant Modes ◽

Rectangular Dielectric Resonator Antenna ◽

Good Agreement

<p class="Abstract">A rectangular dielectric resonator antenna (DRA) has been excited by an off-set single conformal metal strip. By using such excitation technique two degenerate resonant modes, TExδ11 and TEy1δ1 of the rectangular DRA have been excited to achieve circular polarization (CP). A CP bandwidth of ~ 5.2% in conjunction with a wide impedance matching bandwidth of ~ 54% has been provided by the proposed DRA configuration. The antenna design has been simulated using computer simulation technology (CST). Antenna prototype has been built to verify the impedance matching bandwidth. Far field parameters have been optimized and verified using two simulation techniques in CST i.e. finite integration technique (FIT) and finite element method (FEM). A good agreement between the simulated and measured result has been observed for S11. Similarly a very good resemblance between the far field results from FIT and FEM have been demonstrated.</p>

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A COMPACT DUAL BAND RECTANGULAR DIELECTRIC RESONATOR ANTENNA WITH SLOT FOR WBAN

International Journal of Advance Engineering and Research Development ◽

10.21090/ijaerd.21115 ◽

2017 ◽

Vol 4 (10) ◽

Keyword(s):

Dielectric Resonator ◽

Dual Band ◽

Dielectric Resonator Antenna ◽

Rectangular Dielectric Resonator Antenna

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Dual-Port MIMO Rectangular Dielectric Resonator Antenna for 4G-LTE Application

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.781.24 ◽

2015 ◽

Vol 781 ◽

pp. 24-27 ◽

Cited By ~ 2

Author(s):

Raghuraman Selvaraju ◽

Muhammad Ramlee Kamarudin ◽

Mohsen Khalily ◽

Mohd Haizal Jamaluddin ◽

Jamal Nasir

Keyword(s):

Dielectric Resonator ◽

Impedance Bandwidth ◽

Dielectric Resonator Antenna ◽

Feed Line ◽

Term Evolution ◽

4G Lte ◽

Rectangular Dielectric Resonator Antenna ◽

Microstrip Feed Line ◽

Microstrip Feed

A Multi Input Multi Output (MIMO) Rectangular Dielectric Resonator Antenna (RDRA) for 1.8 GHz Long Term Evolution (LTE) applications is investigated and presented. The antenna consisting of two rectangular dielectric resonator elements, both resonators are fed by microstrip feed line is etched on FR4 substrate. The simulated impedance bandwidth for port1 and port2 is 26.38% (1.6176-2.1093 GHz) and 26.80% (1.6146-2.1143GHz) respectively for |S11| ≤ -6dB, which can operate on LTE band 1-4,9,10,35-37 and 39. The gain of the MIMO RDRA is 3.2 dBi and 3.1 dBi at 1.8 GHz for port 1and port 2, respectively. The S-parameters, isolation, gain, and MIMO performance such as correlation coefficient and diversity gain of the presented RDR Antenna have been studied.

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