Dual‐broadband dielectric resonator antenna based on modified Sierpinski fractal geometry

Liu, Hu; Liu, Ying; Wei, Ming; Gong, Shuxi

doi:10.1049/el.2015.0302

Cited by 22 publications

(18 citation statements)

References 4 publications

(5 reference statements)

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“…But the DR-antennas dedicated for specific technology like: WLAN, Wi-Fi, Bluetooth, etc., gives the glimpse of null modification as they must have been satisfying the requisite characteristics. The outcome of this survey article may be summarized as follows: (i) highlights the novelty of DRAs in terms of different commercial and defense applications, (ii) may help the antenna industries/manufacturers to choose the right one for any specific application as per their requirement, and (iii) Ku-Band [35][36][37][38] Mobile Devices [148][149][150][151][152][153][154][155][156][157] Beam scanning 213,214 Ka-Band 39 Optical & ISM [106][107][108] Radar/DOA [158][159][160][161][162][163] Dual and Triple Band [72][73][74][75][76][77][78][79][80][81][82][83] Low Operating Freq. 180 Oscillator/Adaptive/ Others [220][221][222][223][224]…”

Section: S U M M a R Y O F T H E S U R V E Ymentioning

confidence: 99%

Dielectric resonator antennas: An application oriented survey

Dash

Khan

Де

2016

Int. J. RF Microw. Comput. Aided Eng.

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This survey article outlines a comprehensive investigation of research carried out on dielectric resonator antennas (DRAs) in the last three and half decades, in an application‐oriented approach. DRAs have created a remarkable position in antenna engineering for their adept characteristics like high efficiency, low loss, wide bandwidth, compact size, 3‐dimensional modeling flexibility, etc. The use of DRAs for different commercial and defense applications associated with the wireless communication is highlighted in this article. To make a smooth and effective survey article, all the application‐oriented DRAs available in the open literature are classified in five different categories like microwave bands, specific frequency, technology, millimeter‐wave, and miscellaneous types. The ultimate aims of this review article are as follows: (i) highlights the usability of DRAs for different commercial and defense applications, (ii) helpful for the antenna industries/manufacturers to find out the best DRA for any specific application as per their requirement, and (iii) points out research gap in some application domains which will be quite helpful for future antenna researchers. In the authors' opinion, this survey may be helpful to DRA researchers as such a survey process is not available in the open literature.

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Section: S U M M a R Y O F T H E S U R V E Ymentioning

confidence: 99%

Dielectric resonator antennas: An application oriented survey

Dash

Khan

Де

2016

Int. J. RF Microw. Comput. Aided Eng.

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“…M. R. Haji‐hashemi and A. Shahapari have used Koch island fractal geometry to design DRA for dual band operation and achieved about 9% and 4% improvement in BW in both the bands . Liu et al have proposed the use of single triangular slot as fractal geometry to achieve dual‐band operation with 14.76% and 27.78% BW in each band . A. Sharma and A. Biswas in Reference have used perforated minkowski fractal geometry on rectangular DRA to achieve BW of about 47%.…”

Section: Introductionmentioning

confidence: 99%

Design and development of ultrawideband‐stacked triangular prism‐shaped dielectric resonator antenna

Trivedi

Pujara

2019

Micro & Optical Tech Letters

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In this letter, a stacked triangular prism shaped dielectric resonator antenna (DRA) is proposed for ultrawideband (UWB) applications. A combination of three techniques namely, stacking of DRAs, introduction of triangular shaped conformal patch loop excited by coaxial feed, and fractal geometries are utilized on triangular prism shaped DRA to achieve UWB. Improvement in bandwidth (BW) is achieved by introduction of triangular shaped fractal slots and by sandwiching low permittivity DR material is sandwiched between two high permittivity DR materials. Finally, by introduction of triangular loop shaped conformal patch, UWB is achieved. The proposed antenna is fabricated and measured impedance BW of about 120.9% covering frequency range from 3.3 to 13.4 GHz (C‐ and X‐band) is achieved. 98.8% radiation efficiency and average gain of 7 dBi has been achieved over the entire frequency band of interest. Discussions on various design parameters and its associated results are included in this letter.

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“…Sankaranarayanan et al in [9] have used fractal Koch snowflake geometry on cylindrical shaped dielectric resonator antenna to achieve around 56.5% bandwidth. Liu et al in [10] have used a triangular shaped Sierpinski fractal geometry on tetrahedron DRA to achieve dual-band operation covering wireless local area network (WLAN) as well as worldwide interoperability for microwave access (WiMAX) bands with 14.46% and 27.78% bandwidth, respectively. The authors of this paper have proposed prism shaped DRA designs with Sierpinski carpet fractal geometry [11] and achieved 57.5% bandwidth, covering the entire X-band.…”

Section: Introductionmentioning

confidence: 99%

Design and Development of a Wideband Fractal Tetrahedron Dielectric Resonator Antenna With Triangular Slots

Trivedi¹,

Pujara²

2017

PIER M

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Abstract-In this paper, a fractal tetrahedron shaped dielectric resonator antenna (DRA) design for wideband applications is proposed. Two triangular-shaped fractal slots of different sizes are introduced to reduce Q-factor of DRA and in turn to achieve wide bandwidth (BW). Internal coaxial feeding is utilized for good impedance matching and ease of fabrication. The proposed fractal DRA is fabricated and tested. The measured results are in good agreement with the simulated ones. Measured impedance bandwidth of about 72.3% covering frequency band of 3.8-8.1 GHz is achieved. Good separation between co-and cross-polarized radiation patterns in the broadside direction is achieved. Various design parameters and associated results are discussed in this paper.

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Dual‐broadband dielectric resonator antenna based on modified Sierpinski fractal geometry

Cited by 22 publications

References 4 publications

Dielectric resonator antennas: An application oriented survey

Dielectric resonator antennas: An application oriented survey

Design and development of ultrawideband‐stacked triangular prism‐shaped dielectric resonator antenna

Design and Development of a Wideband Fractal Tetrahedron Dielectric Resonator Antenna With Triangular Slots

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