Design and performance of two-sleeve low profile antenna for bio-medical applications

Sukhija, Shikha; Sarin, R. K.

doi:10.1016/j.jesit.2016.10.013

Cited by 15 publications

(9 citation statements)

References 16 publications

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“…Nowadays, researchers are showing keen interest in the study and physical realization of antennas designed for biomedical purposes. Various miniaturization strategies related to antennas have been proposed in the past [23][24][25]. Kaur et al [26] have clearly described the role of antennas in the biomedical sector.…”

Section: Introductionmentioning

confidence: 99%

Tree-shaped Hybrid Fractal Antenna for Biomedical Applications using ANN and PSO

Kaur

Sivia²

2021

Preprint

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In the present scenario, there is a rapid development in the field of designing efficient medical devices for advanced health care purposes. A distinct hybrid fractal approach for designing tree-shaped antenna using artificial neural network (ANN) and particle swarm optimization is explored in this research paper. ANN modelling provides a promising solution, especially for solving various problems that are usually encountered in science and engineering. A Koch–like structure is added to a Giuseppe Peano-like structure for the construction of a parent hybrid shape. The overall volume of the FR4 based designed prototype is 24 x 20 x 1.6 mm 3 . The tree-like geometry is excited by a microstrip line feed, placed at the centre axis of the selected substrate. The ground plane dimension ‘L g ’ has been optimized specifically with particle swarm optimization technique. To realize the effectiveness of the hybrid fractal approach, the projected antenna is experimentally analyzed. The designed structure is compact, geometrically appealing and offers sufficient bandwidth. The projected antenna operates over 2.41 to 2.44 GHz, with fundamental frequency of 2.42 GHz. The S11 ≤ -10 dB bandwidth examined at the working frequency is 1.44% (35.1 MHz). Moreover, the projected antenna offers promising gain and stable radiation patterns at the claimed frequency. A simplified ANN strategy is also utilized for the estimation of selected output parameters. For completeness, simulated, estimated, optimized and experimental responses are reported to examine the reliability of the proposed hybrid fractal approach. Furthermore, the performance is effectively described by analyzing the behavior of projected antenna with different excitation methods. Excellent outcomes validate that this compact device makes it an ideal choice for bimedical applications.

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Section: Introductionmentioning

confidence: 99%

Tree-shaped Hybrid Fractal Antenna for Biomedical Applications using ANN and PSO

Kaur

Sivia²

2021

Preprint

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“…1 It is a fascinating multidisciplinary field that focuses on the principles and concepts of biology and engineering to assist doctors and physicians in their health care practices. 2 In this biomedical sector, antennas are considered as the most suitable devices for diagnosis, treatment of diseases and compensate for disabilities and injuries. 3 These devices are also helpful for glucose monitoring, endoscopy, pacemaker communication, and blood pressure monitoring, and so forth.…”

Section: Introductionmentioning

confidence: 99%

Artificial bee colony algorithm based modified circular‐shaped compact hybrid fractal antenna for industrial, scientific, and medical band applications

Kaur

Sivia

2021

Int J RF Mic Comp-Aid Eng

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This paper explores the unique design of a circular-shaped compact hybrid fractal antenna (CCHFA) with defected ground plane for industrial, scientific, and medical band applications. The designed antenna is built on an easily available 1.6 mm thick, FR4 epoxy substrate of size 37.5 Â 37.5 mm 2 . It utilizes a hybrid approach that involves the amalgamation of two distinct circular fractal patterns. A 50 Ω feed line of width 2.8 mm is connected with the designed patch. In this design, the ground plane dimension 'L g ' is optimized specifically with an artificial bee colony (ABC) algorithm. To realize the effectiveness of the proposed design, the performance is practically evaluated through experimental testing. The proposed antenna in its final version, practically offers a bandwidth of 87.2 MHz (3.52%) and gain of 8.1 dB at the claimed resonance.Radiation patterns provided by the proposed CCHFA are arbitrary omnidirectional/bidirectional and exhibit sufficient stability. The simulated and experimental results demonstrate the applicability of ABC algorithm in the devices designed for biomedical purposes. Furthermore, an exhaustive parametric evaluation has also been conducted to examine the effect of variations in few geometrical parameters on the performance of the designed antenna.

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“…These implantable devices are used for many kinds of medical applications such as tumor detection, wireless health monitoring, various cancer detection, speech sensing, self‐monitoring, digestive monitoring, 1 retinal implants, 2 cardioverter defibrillators and pacemakers, 3 temperature monitoring, 4 and orthopedic monitoring device 5,6 . Majorly it is reducing delay in hospitals with help of remote health monitoring system which has reduced face to face consultation 7 . Patch antennas are suitable for being integrated with implantable devices because of their miniaturized size 8,9 …”

Section: Introductionmentioning

confidence: 99%

“…7 Patch antennas are suitable for being integrated with implantable devices because of their miniaturized size. 8,9 In literature various implantable antennas such as Z-monopole, 10 cpw-fed monopole U slot antenna, 11 two-sleeve low profile antenna, 7 clover slot antenna, 8 and the metamaterial-inspired implantable antenna 12 are used for designing. Reported information and literature for linearly polarized antennas have instances of polarization mismatch in Link establishment for Biomedical applications.…”

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confidence: 99%

A metamaterial‐inspired circularly polarized antenna for implantable applications

Goswami¹,

Karia²

2020

Engineering Reports

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A novel microstrip-fed metamaterial-inspired antenna is proposed for implantable applications. The designed antenna operates in the Industrial, Scientific and Medical band at a frequency (2.4-2.5) GHz. The implantable antenna comprises of two split ring resonators. The use of metamaterial not only dramatically reduces the size of the antenna, but also improves its gain and bandwidth. Different methods of size reduction with optimum gain and bandwidth are here discussed in detail. The implantable antenna is designed using FR4 substrate which provides better gain, miniature size (84% size reduction), good impedance matching, circular polarization with 3.41% of 3-dB axial ratio bandwidth. Circularly polarized antennas are usually preferred as they reduce polarization mismatch loss. The antenna is 29 × 28 mm 2 in size with 4.86 dB gain and 140 MHz impedance bandwidth. The design of phantom liquid, the computation of its pH value, and measurement of its permittivity are thoroughly reported. The permittivity of the liquid is found to increase with the pH value. The permittivity of phantom liquid has been validated with 85070E dielectric probe kit. A detailed description of different probes is provided. The measurement results are in good agreement with simulations. Finally, the design of phantom for implantable applications and techniques for size reduction of the same have been described. This reduced size will help to fit antenna in medical devices, providing greater ease for the body movement. K E Y W O R D S implantable antenna, metamaterial (split ring resonator), phantom design 1 INTRODUCTION Implantable antennas have gathered remarkable attention due to their importance in the medical and engineering field. These implantable devices are used for many kinds of medical applications such as tumor detection, wireless health monitoring, various cancer detection, speech sensing, self-monitoring, digestive monitoring, 1 retinal implants, 2 cardioverter defibrillators and pacemakers, 3 temperature monitoring, 4 and orthopedic monitoring device. 5,6 Majorly it is reducing This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Design and performance of two-sleeve low profile antenna for bio-medical applications

Cited by 15 publications

References 16 publications

Tree-shaped Hybrid Fractal Antenna for Biomedical Applications using ANN and PSO

Tree-shaped Hybrid Fractal Antenna for Biomedical Applications using ANN and PSO

Artificial bee colony algorithm based modified circular‐shaped compact hybrid fractal antenna for industrial, scientific, and medical band applications

A metamaterial‐inspired circularly polarized antenna for implantable applications

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