Koch boundary on the square patch microstrip antenna for ultra wideband applications

Gupta, Manisha; Mathur, Vinita

doi:10.1016/j.aej.2017.06.005

Cited by 36 publications

(22 citation statements)

References 16 publications

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“…Now‐a‐days, fractals are widely used because of its self‐similarity and space filling properties which help to attain the miniaturization as well as multiband and wideband characteristics . Commonly used fractal geometries are Sierpinski Gasket, Sierpinski Carpet, Koch Curve, Minkowski, Meander Giuseppe Peano, Hilbert Curve, etc.…”

Section: Introductionmentioning

confidence: 99%

Performance enhancement of nested hexagonal ring‐shaped compact multiband integrated wideband fractal antennas for wireless applications

Sharma

Bhatia

2019

Int J RF Microw Comput Aided Eng

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In this paper, nested hexagonal ring-shaped fractal antennas are designed and investigated which are different from each other in patch orientation. Initially, the multiband integrated wideband hexagonal nested ring antenna is designed (antenna-I). To improve the multiband/wideband behavior, the patch orientation of antenna-I is changed to −60 /60 (antenna-II), −120 /120 (antenna-III), and −180 /180 (antenna-IV). Antennas are designed on low cost FR-4 glass epoxy substrate with relative permittivity of 4.4 and overall dimension 30 × 30 × 1.6 mm 3 . Comparison among antennas have been made and found that the antennas with negative orientation exhibit better results in terms of bandwidth, impedance matching, number of frequency bands, and gain. Designed antennas have been compared with each other and found that antennas-II and III are better in performance as compared to antennas-I and IV. Antenna-II exhibits wider bandwidth of 1.26 (2.52-3.78 GHz), 2.75 (4.03-6.78 GHz), and 6.1 GHz (7.82-13.92 GHz) with maximum gain of 7.14 dB. Similarly; antenna-III exhibits the bandwidth of 340 MHz (1.92-2.26 GHz), 820 MHz (3.04-3.86 GHz), 4230 MHz (5.38-9.61 GHz), and 3040 MHz (10.41-13.45 GHz) with a maximum gain of 6.19 dB. Prototype of the designed antennas with satisfactory orientations are fabricated and tested for the validation of results. Simulated and measured results are also juxtaposed and observed in good agreement with each other. Antennas exhibit bidirectional and omnidirectional pattern in E-plane and H-plane, respectively, also the radiation efficiency of antennas are in acceptable range from 75% to 95%. Due to the wider bandwidth of designed antennas, they can be used for different wireless standards such as Advance Wireless Services AWS-1, AWS-2, AWS-3, Wi-MAX, WLAN, X-band satellite communication, point-to-point wireless applications, ITU band, military satellite communication, television broadcasting, and military land and airborne systems. K E Y W O R D S fractal antenna, multiband, nested hexagonal ring, wideband

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Section: Introductionmentioning

confidence: 99%

Performance enhancement of nested hexagonal ring‐shaped compact multiband integrated wideband fractal antennas for wireless applications

Sharma

Bhatia

2019

Int J RF Microw Comput Aided Eng

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“…Small monopole antennas based on the Koch curve have also been analyzed and compared to linear monopoles [60][61][62]. Slot antennas based on the Koch fractal, UWB, and energy harvesting applications have been also analyzed in [63][64][65][66][67][68][69][70].…”

Section: Ifs To Generate the Koch Island Based On Seven Affine Linearmentioning

confidence: 99%

Fractal Antennas: An Historical Perspective

Anguera

Andújar²,

Jayasinghe

et al. 2020

Fractal Fract

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“…The antenna is put on FR4epoxy, (Ɛr = 4.4) substrate with dimensions 60 x 55 x 1.59 mm3. The antenna works at 4.3, 5.0, 6.1, 7.4, 8.9, and 9.2 GHz, this design is limited in bandwidth and gain, therefore required to strive to improve them [4]. Propose the patch antenna in the form of a Sierpinski fractal antenna, which can work in multi-band frequency, this design is limited in bandwidth and gain, therefore required to strive to improve them [5].…”

Section: Introductionmentioning

confidence: 99%

Design of Multi-band Microstrip Patch Antennas for Mid-band 5G Wireless Communication

Mazen¹,

Emran²,

Shalaby³

et al. 2021

IJACSA

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Recently, the best antenna structures have considered microstrip patch antenna due to their simple construction, low cost, minimum weight, and the fact that they can be effortlessly integrated with circuits. To achieve multiband operation an antenna is designed with an etching rectangle and circle slot on the surface of the patch to achieve multi-band frequency capabilities in mid-band 5G applications. Inset-fed structure type of fed of all antenna printed and fabricated on the brow of the Rogers RT5880 substrate. Then, prototype structures of the microstrip patch antenna were acquired during the design process until achieving the desired antennas. The antenna_1 achieved tri-band characteristics covering the WiMAX band including 2.51 -2.55 GHz, WLAN, and S-band including 3.80 -3.87 GHz and C-and X-band including 6.19 -6.60 GHz. The antenna_2 gives dual-band characteristics covering C-band and X-band including (6.72 -7.92 GHz) with a peak under -45 dB suitable for mid-band 5G applications. High impedance bandwidth increases between (70 MHz-1.25 GHz) for wireless applications. The proposed microstrip patch antennas were simulated using CST MWS-2015 and were experimentally tested to verify the fundamental characteristics of the proposed design, it offers multiple-band operation with high stable gain and good directional radiation characteristics results.

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Koch boundary on the square patch microstrip antenna for ultra wideband applications

Cited by 36 publications

References 16 publications

Performance enhancement of nested hexagonal ring‐shaped compact multiband integrated wideband fractal antennas for wireless applications

Performance enhancement of nested hexagonal ring‐shaped compact multiband integrated wideband fractal antennas for wireless applications

Fractal Antennas: An Historical Perspective

Design of Multi-band Microstrip Patch Antennas for Mid-band 5G Wireless Communication

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