scholarly journals WIDE BANDWIDTH HIGH GAIN CIRCULARLY POLARIZED MILLIMETRE-WAVE RECTANGULAR DIELECTRIC RESONATOR ANTENNA

2020 ◽  
Vol 89 ◽  
pp. 171-177
Author(s):  
Abdulmajid A. Abdulmajid ◽  
Salam Khamas ◽  
Shiyu Zhang
Keyword(s):  
Dielectric Resonator ◽  
High Gain ◽  
Dielectric Resonator Antenna ◽  
Wide Bandwidth ◽  
Millimetre Wave ◽  
Circularly Polarized ◽  
Rectangular Dielectric Resonator Antenna

scholarly journals A Single-Point-Fed Wideband Circularly Polarized Rectangular Dielectric Resonator Antenna

2016 ◽  
Vol 2016 ◽  
pp. 1-9
Author(s):  
Deqiang Yang ◽  
Meng Zou ◽  
Jin Pan
Keyword(s):  
Dielectric Resonator ◽  
Single Point ◽  
Axial Ratio ◽  
Design Concept ◽  
Impedance Bandwidth ◽  
Dielectric Resonator Antenna ◽  
Circularly Polarized ◽  
Measured Impedance ◽  
Rectangular Dielectric Resonator Antenna ◽  
Good Agreement

A single-point-fed circularly polarized (CP) rectangular dielectric resonator antenna (DRA) with wide CP bandwidth is presented. By usingTE111andTE113modes of the rectangular DRA, a wideband CP performance is achieved. The coupling slot of the antenna contains a resistor loaded monofilar-spiral-slot and four linear slots. Design concept of the proposed antenna is demonstrated by simulations, and parameter studies are carried out. Prototype of the proposed antenna was fabricated and measured. Good agreement between the simulation and measurement is obtained. The measured impedance bandwidth (|S11|<-10 dB) and 3 dB axial-ratio (AR) bandwidth are 51.4% (1.91–3.23 GHz) and 33.0% (2.15–3.00 GHz), respectively.

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