Investigation of T-Shaped Compact Dielectric Resonator Antenna for Wideband Application

Chauhan, Monika; Mukherjee, Biswajeet

doi:10.3103/s0735272719110050

Cited by 9 publications

(14 citation statements)

References 25 publications

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“…However, a reduction in the size to 50 × 37 mm 2 converts the dual‐band to a single wideband response as observed in Figure 2B. When the ground plane size is reduced, it increases the parallel capacitive reactance and decreases the quality factor of the antenna, which increases the BW 13 …”

Section: Parametric Analysismentioning

confidence: 99%

“…When the ground plane size is reduced, it increases the parallel capacitive reactance and decreases the quality factor of the antenna, which increases the BW. 13 4 | E -FIELD DISTRIBUTION modes have stronger E-field vertical components along the z-direction, which leads to higher-order modes. It is also found that vertical and horizontal components of the E-field distributions contribute to copolarization and cross-polarization radiation patterns in both the planes of the proposed structure.…”

Section: Ground Plane Size Reductionmentioning

confidence: 99%

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Compact half H‐shaped dielectric resonator antenna for wideband applications

Gaonkar

Patel

2022

Micro & Optical Tech Letters

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In this study, the authors present the design of a half H-shaped dielectric resonator antenna (DRA) for compact size and wide bandwidth. The trapezoidal patch feed is used to excite the DRA, which results in TE 113 Y and TE 115 Y resonant modes of the rectangular DRA (RDRA). It is found that the broad-side higher-order TE 113 Y with the TE 115 Y mode is used in the proposed design to make it wideband. The effective dielectric constant of the proposed DRA is reduced by the slots and then the structure is made half to make it compact. Finally, for further improvement in bandwidth, the size of the ground plane is reduced, which increases the parallel capacitive reactance and decreases the Q-factor. The proposed structure achieves measured impedance bandwidth S 11 ≤ −10 dB of 75% (4.30-9.50 GHz) with a maximum gain of 7.20 dB. The proposed DRA is applicable for WLAN (5.15-5.72 GHz) and orthogonal frequency-division multiplexing 802.11a (5.72-5.85 GHz).

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Section: Parametric Analysismentioning

confidence: 99%

Section: Ground Plane Size Reductionmentioning

confidence: 99%

Compact half H‐shaped dielectric resonator antenna for wideband applications

Gaonkar

Patel

2022

Micro & Optical Tech Letters

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“…There are several wideband antennas are presented in References 1–3, they can provide ultra‐wide impendence bandwidth. However, they can only achieve single polarization.…”

Section: Introductionmentioning

confidence: 99%

Design of a novel ultra‐wideband dual‐polarized printed planar antenna

Hao

Chen

et al. 2022

Int J RF Mic Comp-Aid Eng

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A novel antenna, which has a simple one‐layer printed planar structure with dual‐polarization and ultra‐wideband (UWB) properties, is proposed in this article. The proposed antenna consists of a pair of crossed dipoles, two stacked square loops, four meander slots, and a hornlike reflecting cavity. The stacked loops positioned around the crossed dipoles are utilized to introduce a new resonant mode in the lower frequency band, which essentially widens the impedance bandwidth and realizes the miniaturization design. To further enhance the impedance bandwidth, the four meander slots are cut from the crossed dipoles to generate a new resonant mode in the higher frequency band. Therefore, the impedance bandwidth is greatly expanded. A hornlike reflecting cavity is used to enhance the unidirectional radiation pattern over the operating frequency band. A prototype is designed, fabricated, and measured. Measured results show that the proposed antenna achieves a voltage standing wave ratio (VSWR) < 2, impedance bandwidth up to 92% (from 1.05 to 2.85 GHz). The isolation between two linear orthogonal polarizations >25 dB, and stable unidirectional radiation patterns over the entire working frequency band with gain >8 dBi. Furthermore, the proposed antenna has a compact planar size of 0.25λL×0.25λL(λL is the longest operating wavelength).

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“…DRAs (dielectric resonator antennas) are gaining popularity due to several appealing features such as light weight, wide bandwidth, ease of implementation, and high-power capability. The most important advantage for the DRA over the other types of antenna is that DRAs achieved better efficiency and good gain than other types of antenna due to the low conductor losses [3]. DRA can be designed with several shapes such as cylinder, rectangle, sphere, triangle, and cone [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…The most important advantage for the DRA over the other types of antenna is that DRAs achieved better efficiency and good gain than other types of antenna due to the low conductor losses [3]. DRA can be designed with several shapes such as cylinder, rectangle, sphere, triangle, and cone [3,4].…”

Section: Introductionmentioning

confidence: 99%

A Novel Compact Dual Notch With High-Gain Multi-Layer Dielectric Resonator Antenna for Ultrawide-Band Applications

Ahmed¹,

Mohamed²,

Shaalan³

et al. 2022

PIER M

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In this paper, a novel compact high-gain multi-layer dielectric resonator antenna for ultrawideband applications is designed and fabricated. The proposed antenna employs a new technique to make a notch-band for the frequencies within UWB. This technique helps avoid any interference for bands like WLAN and X-band for satellite applications. In this design, several notch bands can get at different frequencies by changing the length of slots. The operating bandwidth of this antenna is between 4.8 GHz and 11.31 GHz with −10 dB return loss and maximum gain of 6 dBi. Finally, the proposed antenna is fabricated and measured to validate the simulation results. The simulation results are obtained by two different simulators; CST Studio suite T M 2020 and HFSS 15 to ensure the validity of the design results before fabrication. The fabricated antenna is measured using Agilent R&S Z67 VNA. There is a good agreement between the simulation and experimental results.

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Investigation of T-Shaped Compact Dielectric Resonator Antenna for Wideband Application

Cited by 9 publications

References 25 publications

Compact half H‐shaped dielectric resonator antenna for wideband applications

Compact half H‐shaped dielectric resonator antenna for wideband applications

Design of a novel ultra‐wideband dual‐polarized printed planar antenna

A Novel Compact Dual Notch With High-Gain Multi-Layer Dielectric Resonator Antenna for Ultrawide-Band Applications

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