Cylindrical air spaced high gain dielectric resonator antenna for ultra-wideband applications

Yadav, Sachin Kumar; Kaur, Amanpreet; Khanna, Rajesh

doi:10.1007/s12046-020-01409-y

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2021

2024

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Cited by 6 publications

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“…It operates in the frequency range of 3.45 GHz to 10.9 GHz. Four alternative radiating frequencies are offered by the transformer-type microstrip feed RDRA [6] at 3.8, 6.4, 8.8, and 10 GHz. The peak gain is 7.2 dB, and it permits broaden impedance bandwidth (IMBW) 104.09% (3.28-10.4) GHz.…”

Section: Introductionmentioning

confidence: 99%

C-Band Rectangular Dra With Defective Ground Structure for Satellite Uplink Applications

Misala¹,

Mosa²

2022

PIER C

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The C-band RDRA with a defective ground structure operated at resonant frequency 6.2 GHz is best suitable for satellite uplink applications. In the C-band, the broad aperture slot and pentagonal-shaped defective ground structure (DGS) offer excellent isolation and great efficiency. The simple prototype of designed pentagonal DGS RDRA is fabricated, tested, and validated. The proposed C-band RDRA has a fractional bandwidth of 12.14%, a return loss of −30 dB, a gain up to 7.95 dB, and a minimal VSWR at the resonance frequency of 6.2 GHz. It offers a broad beamwidth of 110.87 • in the E-plane, 43.73 • in the H-plane, and 91.5% efficiency.

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Section: Introductionmentioning

confidence: 99%