Square Enclosed Circle Microstrip Patch Antenna for Microwave Head Imaging

Talukder, Siam; Samsuzzaman, M.; Hasan, Mahamudul; Islam, Mohammad Tariqul; Islam, Tarikul; Rahman, Norliza Abd

doi:10.1109/iccit51783.2020.9392651

Cited by 4 publications

(3 citation statements)

References 15 publications

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“…(iii) The acquired bandwidth spans 1.3 to 3.7 GHz, which is relatively wider than the reported antennas in the literature [ 10 , 22 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ]. (iv) In comparison with reported ranges in previously published work [ 22 , 24 , 27 , 30 , 31 ], the proposed antenna offeres an effective peak gain of over 6.15 dBi and an efficiency of over 90%. Additionally, (v) the maximum measured SAR value for the head model is constrained to be equal to or below 0.1409 W/kg over the entire usable frequency band, which is less than the values reported in the literature [ 24 , 25 , 28 , 31 ].…”

Section: Introductionmentioning

confidence: 88%

“…(ii) Its overall dimensions are 0.32 λ × 0.28 λ × 0.007 λ, where λ is the lower bandwidth 1.3 GHz frequency wavelength. (iii) The acquired bandwidth spans 1.3 to 3.7 GHz, which is relatively wider than the reported antennas in the literature [ 10 , 22 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ]. (iv) In comparison with reported ranges in previously published work [ 22 , 24 , 27 , 30 , 31 ], the proposed antenna offeres an effective peak gain of over 6.15 dBi and an efficiency of over 90%.…”

Section: Introductionmentioning

confidence: 90%

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Slotted Monopole Patch Antenna for Microwave-Based Head Imaging Applications

Alqahtani

Islam

Talukder

et al. 2022

Sensors

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A modified monopole patch antenna for microwave-based hemorrhagic or ischemic stroke recognition is presented in this article. The designed antenna is fabricated on a cost-effective FR-4 lossy material with a 0.02 loss tangent and 4.4 dielectric constant. Its overall dimensions are 0.32 λ × 0.28 λ × 0.007 λ, where λ is the lower bandwidth 1.3 GHz frequency wavelength. An inset feeding approach is utilized to feed the antenna to reduce the input impedance (z = voltage/current). A total bandwidth (below −10 dB) of 2.4 GHz (1.3–3.7 GHz) is achieved with an effective peak gain of over 6 dBi and an efficiency of over 90%. A time-domain analysis confirms that the antenna produces minimal signal distortion. Simulated and experimental findings share a lot of similarities. Brain tissue is penetrated by the antenna to a satisfactory degree, while still exhibiting a safe specific absorption rate (SAR). The maximum SAR value measured for the head model is constrained to be equal to or below 0.1409 W/kg over the entire usable frequency band. Evaluation of theoretical and experimental evidence indicates the intended antenna is appropriate for Microwave Imaging (MWI) applications.

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Section: Introductionmentioning

confidence: 88%

Section: Introductionmentioning

confidence: 90%

Slotted Monopole Patch Antenna for Microwave-Based Head Imaging Applications

Alqahtani

Islam

Talukder

et al. 2022

Sensors

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show abstract

“…However, these technologies have disadvantages. The X-ray and CT scan have risks due to their dangerous radiation and ionising radioactivity, which can cause cancer in later life even if it is taken in short doses as mentioned in [3][4][5]. Meanwhile, MRI is quite expensive; thus, many people cannot afford such a treatment.…”

Section: Introductionmentioning

confidence: 99%

A Sierpinski Arrowhead Curve Slot Vivaldi Antenna for Microwave Head Imaging System

et al. 2023

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The development of antipodal Vivaldi antenna with a fractal slot is presented in this paper due to its promising application as an element of possible multisensory systems of head stroke imaging. The fractal slot is applied to improve the directivity, bandwidth and gain of the antenna. Hence, this research mainly aims to create and optimise a compact Vivaldi antenna through the fractal slot for the detection of stroke in the human head. The antenna is designed with an overall dimension of 65 × 65 × 1.6 mm 3 using Roger RO4350B as a substrate through the CST Studio Suite 2019 software. The proposed antenna will also be compared with an antipodal Vivaldi antenna without the fractal slot to observe differences in the result. The proposed antenna can produce a wide bandwidth of 1.44 GHz ranging from 2.35 GHz to 3.79 GHz at the maximum gain of 7.35 dBi. Furthermore, the prototype antenna has a directivity characteristic, which produces the unidirectional radiation necessary for microwave imaging procedures. The proposed antenna is also evaluated with the CST studio head model, thus providing satisfactory penetration results through the head tissue. A value of 0.0013 W/kg per 10 g is achieved for the maximum SAR. Thus, the proposed antenna met most of the requirements for the imaging process, which will affect its effectiveness during scanning of head stroke. Fractal slot, Vivaldi antenna, wideband, unidirectional, head imaging. INDEX TERMS

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A double hollow rectangular‐shaped patch and with the slotted ground plane monopole wideband antenna for microwave head imaging applications

Samsuzzaman

Fakeeh

Talukder

et al. 2021

Int J Communication

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This paper introduces a lightweight wideband planar antenna with an antenna array configuration for microwave head imaging. The designed antenna is composed of a double hollow rectangular-shaped patch and with the slotted ground. Its measurements are small: 0.28λ Â 0.24λ Â 0.006λ, where λ is the lowest operating frequency's wavelength. The design process has been completed using CST and then fine-tune the parameters of the architecture structure to accomplish the ideal bandwidth. The antenna is manufactured and measured in order to test antenna properties. The prototype was being used for brain screening than with the Hugo-head model. With adequate impedance matching, the antenna meets an operational bandwidth of 1.82 GHz (1.22-3.04 GHz) with an overall peak gain of 5 dBi with a stable radiation property.Fidelity factors both for face-to-face and side by side alignment are 92.7% and 83.75%, respectively, indicating that the antenna had a little signal interruption. To determine the backscattered signals of the antenna with Hugo-head phantom, a nine-antenna array-based setup is assumed, with one antenna serving as a transmitter and the remaining eight receiving the dispersed signals.

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Square Enclosed Circle Microstrip Patch Antenna for Microwave Head Imaging

Cited by 4 publications

References 15 publications

Slotted Monopole Patch Antenna for Microwave-Based Head Imaging Applications

Slotted Monopole Patch Antenna for Microwave-Based Head Imaging Applications

A Sierpinski Arrowhead Curve Slot Vivaldi Antenna for Microwave Head Imaging System

A double hollow rectangular‐shaped patch and with the slotted ground plane monopole wideband antenna for microwave head imaging applications

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