Bandwidth Enhancement of Tri-band Rectangular Dielectric Resonator Antenna using Novel Offset Feed for WLAN/WIMAX Applications

Divya*, G.; D., Ramya Sree.; Anusha, Y.; Harika, T.; Chaitanya, N. Siva; Sowjanya, T.

doi:10.35940/ijitee.e3039.039520

IJITEE

2020

DOI: 10.35940/ijitee.e3039.039520

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Bandwidth Enhancement of Tri-band Rectangular Dielectric Resonator Antenna using Novel Offset Feed for WLAN/WIMAX Applications

G. Divya*¹,

Ramya Sree. D.²,

Y. Anusha³

et al.

Abstract: 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… Show more

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Recent progress in dielectric resonator antenna: Materials, designs, fabrications, and their performance

Shehbaz

Zhou

et al. 2023

Applied Physics Reviews

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Dielectric resonator antenna (DRA) has secured an esteemed position in the field of antenna engineering technology due to its versatile features, including compactness, light-weight, low loss, high radiation efficiency, ease of excitation, diverse feeding techniques, multiple excitation modes, ease of integration with passive and active microwave integrated circuit components, a wide variety of available materials, simple fabrication techniques, and high degree of flexibility over wide frequency range. This article presents a comprehensive up-to-date review of research carried out in the field of DRA technology which includes an overview of DRA technology, its history, present status, and prospects. The basic parameters of microwave dielectric ceramic materials and the classification of materials based on utilization and material parameters are briefly discussed. The applications of DRA in different fields of science, engineering, and technology, overview of different reported DRA shapes, and the feeding techniques used to excite different modes of DRA are mentioned. Based on the control of DRA permittivity, shape/geometry, feeding techniques, and structural modifications, performance parameters engineering of DRA and its achievable performance in terms of low profile, compactness, high gain, wide beam, circular polarization, wide bandwidth, DRA decoupling methods for multiple input multiple output arrays, dielectric patch antenna, filtering DRA, and reconfigurable DRA are discussed. Different techniques used to attain and enhance the particular performance of DRA are highlighted. This review article also dilates upon the fabrication processes and characterization methods of DRA microwave dielectric ceramics, which play a very vital role in controlling the performance and properties of DRA.

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Recent progress in dielectric resonator antenna: Materials, designs, fabrications, and their performance

Shehbaz

Zhou

et al. 2023

Applied Physics Reviews

View full text Add to dashboard Cite

show abstract

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Bandwidth Enhancement of Tri-band Rectangular Dielectric Resonator Antenna using Novel Offset Feed for WLAN/WIMAX Applications

Cited by 1 publication

References 6 publications

Recent progress in dielectric resonator antenna: Materials, designs, fabrications, and their performance

Recent progress in dielectric resonator antenna: Materials, designs, fabrications, and their performance

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