Circularly Polarized Cylindrical Dielectric Resonator Antenna with Different Shapes Cross Slot

Rahimian, Zahra

doi:10.11591/ijece.v4i6.6484

Cited by 2 publications

(2 citation statements)

References 10 publications

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“…Dielectric resonator (DR) have been widely used as antenna element started in early nineteeneighties, in which the DR is made of high dielectric constant material that are known as high Q-factor elements [12]. Besides as energy storage devices, dielectric resonators can be efficient radiators [13]. DRA has been explored for designing various reflectarray antennas to achieve large reflection phase range, as well as low reflection loss.…”

Section: Figure 1 Reflectarray Antenna Working Principlementioning

confidence: 99%

Dielectric Resonator Reflectarray Antenna Unit Cells for 5G Applications

Sallehuddin¹,

Jamaluddin²,

Kamarudin³

et al. 2018

IJECE

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This paper presents an investigation for the performance comparison of three different unit cell configurations operating at 26 GHz for 5G applications. The unit cells are cross shape dielectric resonator, cross microstrip patch and cross hybrid dielectric resonator. Verification of the comparison has been done by simulations using commercial Computer Simulation Technology Microwave Studio (CST MWS). The simulated results for reflection phase, slope variation, reflection loss and 10% bandwidth were analyzed and compared. The results indicate that the optimum configuration to be deployed for the reflectarray’s unit element in order to fulfill the 5G requirements of a wide bandwidth is the cross hybrid DRA. This configuration is a combination of cross DRA with cross microstrip patch as the parasitic element in order to tune the phase and provide a wide phase range with smooth variation slope. Cross hybrid DRA provided a wide phase range of 520° with 0.77 dB loss and 10% bandwidth of 160 MHz.

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Section: Figure 1 Reflectarray Antenna Working Principlementioning

confidence: 99%

Dielectric Resonator Reflectarray Antenna Unit Cells for 5G Applications

Sallehuddin¹,

Jamaluddin²,

Kamarudin³

et al. 2018

IJECE

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“…For the standard shapes of the DRA (cylindrical, rectangular, square) the in-depth analysis has already been done by many researchers. In particular, the fundamental modes are the preferred choices for electric and magnetic dipole-like radiation characteristics [18][19][20][21][22][23]. Given the rich literature and engineering knowledge on almost every aspect of homogeneous dielectric resonators, it is possible to explore the characteristics of inhomogeneous dielectric resonators [24].…”

Section: Introductionmentioning

confidence: 99%

A nested square-shape dielectric resonator for microwave band antenna applications

Ullah

Mabrouk

Al‐Hasan

et al. 2021

IJECE

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In this paper, a nested square-shape dielectric resonator (NSDR) has been designed and investigated for antenna applications in the microwave band. A solid square dielectric resonator (SSDR) was modified systematically by introducing air-gap in the azimuth (ϕ-direction). By retaining the square shape of the dielectric resonator (DR), the well-known analysis tools can be applied to evaluate the performance of the NSDR. To validate the performance of the proposed NSDR in antenna applications, theoretical, simulation, and experimental analysis of the subject has been performed. A simple microstrip-line feeding source printed on the top of Rogers RO4003 grounded substrate was utilized without any external matching network. Unlike solid square DR, the proposed NSDR considerably improves the impedance bandwidth. The proposed antenna has been prototyped and experimentally validated. The antenna operates in the range of 12.34GHz to 21.7GHz which corresponds to 56% percentage bandwidth with peak realized gain 6.5dB. The antenna has stable radiation characteristics in the broadside direction. A close agreement between simulation and experimental results confirms the improved performance of NSDR in antenna applications.

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Circularly Polarized Cylindrical Dielectric Resonator Antenna with Different Shapes Cross Slot

Cited by 2 publications

References 10 publications

Dielectric Resonator Reflectarray Antenna Unit Cells for 5G Applications

Dielectric Resonator Reflectarray Antenna Unit Cells for 5G Applications

A nested square-shape dielectric resonator for microwave band antenna applications

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