Design and Implementation of Wearable Antenna Textile for Ism Band

Harris, Hasri Ainun; Anwar, Radial; Wahyu, Yuyu; Sulaiman, M. I.; Mansor, Zuhanis; Nurmantris, Dwi Andi

doi:10.2528/pierc22022501

Cited by 6 publications

(4 citation statements)

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“…Figure 1A illustrates the geometrical view and design parameters of the proposed antenna. The overall dimensions of the CPW square patch is 80 × 80 mm 2 The purposive wideband CPW antenna evolution steps and corresponding return loss are shown in Figure 1B,C in the patch to improve impedance matching between patch and input impedance, thus minimizing the reflection coefficient and achieving wide impedance bandwidth. Without the semi-circular slot, input impedance of feedline 50 Ω is not matched with 47 Ω patch impedance and the imaginary part of the input impedance capacitive reactance.…”

Section: Antenna Designmentioning

confidence: 99%

“…An inverted E‐shaped textile antenna 1 with DGS structure was developed on a demin substrate, which radiates from 2.23 to 2.59 GHz with a peak gain of 2.09. In Harris et al, 2 a rectangular microstrip patch was developed on the polyester substrate and M‐shaped DGS is introduced on the ground plane to operate from 2.36 to 2.475 GHz with a peak gain of 6.9 dBi. In Soh et al, 3 PIFA slotted broadband textile antenna was constructed on a 6 mm thick felt substrate to operate from 1.8 to 3 GHz with a maximum gain of 1.5 dB.…”

Section: Introductionmentioning

confidence: 99%

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Development of wideband CPW‐fed microstrip patch antenna on textile substrate

Somasundaram

Rajamanickam

Alex

2023

Micro & Optical Tech Letters

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A wideband flexible coplanar microstrip patch (CPW) antenna is developed on a felt substrate to radiate from 1.4 to 3 GHz. The dimension of the antenna is 0.37λ × 0.37λ × 0.007λ, developed on felt, which is a flexible textile material with a 1.38 dielectric constant. The patch and ground are printed on the same side of the substrate, where a semi-circular slot is etched on the patch, and symmetric slots are etched on the ground to achieve wide bandwidth (73%).CPW feed impedance is matched with the connector impedance using the modified feed line. The felt antenna has a measured peak gain of 4.7 dB at 2.45 GHz. Moreover, the performance of the textile antenna under different bending conditions are experimentally carried out. The antenna bandwidth is reduced due to a decrease in bending angle, but still, the antenna operates at the required bandwidth of 1.8-2.9 GHz (upto 80 mm radius).

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Section: Antenna Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Development of wideband CPW‐fed microstrip patch antenna on textile substrate

Somasundaram

Rajamanickam

Alex

2023

Micro & Optical Tech Letters

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“…H. A. Harris et.al presents the structure and performance of a wearable antenna used in place of the ESP8266 Wi-Fi module antenna in dresses [12]. The proposed geometry used a rectangular patch of copper foil tape and polyester as a substrate with a permittivity of 1.44.…”

Section: Literature Reviewmentioning

confidence: 99%

Flexible Wearable Microstrip Patch Antenna based on Graded Dielectric Substrate Profile for Wireless Applications

Singh

Kaur

Singh

2023

Preprint

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The aim of this paper is to investigate the possibilities of designing and fabricating a highly efficient and flexible wearable microstrip patch antenna operating at resonant frequency of 2.45 GHz. Copper Foil Tape (CFT) is used as a conducting medium in designing the patch and ground of antenna. While for designing the substrate, a graded profile based structures are made by combining two non-conducting fabrics i.e. Fleece-Curtain Cotton and Fleece-Polyester. The dielectric constant of these fabrics is measured with the help of ring resonator method. The proposed design models are simulated using CST simulator. To ensure the human body safety from antenna radiations in case of wearable applications, Specific Absorption Rate (SAR) is calculated on the simulated designs. Further some bending analysis of proposed antennas is also performed to ensure their applicability on different body parts like wrist, arm. Finally the proposed designs are fabricated and measured results are obtained using Agilent N5247A: A.09.90.02 VNA. TRL technique is used to calibrate the VNA with 3.5 SMA calibration kit.Simulated and measured results show good matching with each other in terms of resonant frequency, return loss, bandwidth and gain. The antenna designed using fleece-curtain cotton substrate achieved maximum bandwidth of 990 MHz, 2.22 dB gain and -34.99 dB value of S11 parameter. Voltage Standing Wave Ratio (VSWR) for all five antennas is less than 2. Hence the proposed antenna is a suitable candidate for wearable wireless applications.

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“…However, manually aligning multilayer aperture coupled portions such as patch, feedline, and aperture gap is difficult, has low precision, and may degrade the results. In [3], a textile wearable antenna with defective ground surface is developed on a polyester substrate to resonate at 2.45 GHz. The conductive portion of the radiating elements is made on copper foil tape and attached to the polyester substrate with the help of a self-adhesive paste.…”

Section: Introductionmentioning

confidence: 99%

Screen Printed High Gain EBG-based Wearable Textile Antenna for Wireless Medical Band Applications

Arulmurugan,

Suresh Kumar,

Alex

2024

PIER M

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A screen-printed wearable coplanar waveguide (CPW) fed semi-octagonal shaped antenna is developed on a denim textile substrate to resonate at 2.45 GHz for wireless medical body area network communications. The antenna is integrated with a circular ring-type electromagnetic bandgap structure (EBG) to mitigate performance degradation due to the high permittivity of the tissue model when it works on body conditions. The CPW antenna and EBG surfaces are fabricated using the screen-printing method, which provides good conformability, good wearable comfortability, and light weight. The proposed EBG integrated antenna has dimensions of 0.66λ × 0.66λ × 0.056λ and an impedance bandwidth of 13% (2.3-2.62 GHz) with a gain of 6.7 dB. The specific absorption rates (SARs) of the antenna are 0.309 W/kg and 0.14 W/kg for 1 g and 10 g of tissue, respectively, which are within the wearable safety limits. Thus, the fabricated prototype antenna is suitable for wearable WBAN and MBAN applications.

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Design and Implementation of Wearable Antenna Textile for Ism Band

Cited by 6 publications

References 0 publications

Development of wideband CPW‐fed microstrip patch antenna on textile substrate

Development of wideband CPW‐fed microstrip patch antenna on textile substrate

Flexible Wearable Microstrip Patch Antenna based on Graded Dielectric Substrate Profile for Wireless Applications

Screen Printed High Gain EBG-based Wearable Textile Antenna for Wireless Medical Band Applications

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