A Review of the Wearable Textile-Based Antenna using Different Textile Materials for Wireless Applications

Noor, Shehab Khan; Ramli, Norazan Mohamed; Hanapi, Nurul Liyana

doi:10.31580/ojst.v3i3.1665

Cited by 9 publications

(4 citation statements)

References 9 publications

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“…During the embryonic stages of wearable electronics development, it was customary for researchers to persist with copper as the conductive material, which comes at the cost of flexibility. A notable exemplar of this paradigm is evident in textile-based wearable antennas [ 50 , 51 ], which typically employ fabrics, including denim [ 52 , 53 ], cotton [ 54 , 55 ], and flannel [ 56 , 57 , 58 ], as substrates. Such antennas, often referred to as intelligent garments [ 59 ], e-textiles [ 60 ], or smart fabrics [ 61 ], incorporate a thin copper-based conductive layer or conductive fabrics [ 62 , 63 , 64 ] onto these supple fabrics, thereby enabling the integration of wearable electronic functionality.…”

Section: Traditional/emerging Materials For Wearable Antennas and Cir...mentioning

confidence: 99%

Materials, Designs, and Implementations of Wearable Antennas and Circuits for Biomedical Applications: A Review

Yang,

Ye,

Ren

et al. 2023

Micromachines

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The intersection of biomedicine and radio frequency (RF) engineering has fundamentally transformed self-health monitoring by leveraging soft and wearable electronic devices. This paradigm shift presents a critical challenge, requiring these devices and systems to possess exceptional flexibility, biocompatibility, and functionality. To meet these requirements, traditional electronic systems, such as sensors and antennas made from rigid and bulky materials, must be adapted through material science and schematic design. Notably, in recent years, extensive research efforts have focused on this field, and this review article will concentrate on recent advancements. We will explore the traditional/emerging materials for highly flexible and electrically efficient wearable electronics, followed by systematic designs for improved functionality and performance. Additionally, we will briefly overview several remarkable applications of wearable electronics in biomedical sensing. Finally, we provide an outlook on potential future directions in this developing area.

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Section: Traditional/emerging Materials For Wearable Antennas and Cir...mentioning

confidence: 99%

Materials, Designs, and Implementations of Wearable Antennas and Circuits for Biomedical Applications: A Review

Yang,

Ye,

Ren

et al. 2023

Micromachines

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“…In [16], various substrate materials were discussed for antenna fabrication, and it was determined that a Jeans material (with ε r = 1.67 and loss tangent = 0.025) having a thickness of 0.5 mm was used as a substrate to achieve the desired flexibility for the antenna. A 50 Ω transmission line backed with a defected ground structure (DGS) was employed to excite the radiating element.…”

Section: Antenna Designmentioning

confidence: 99%

Flexible Microstrip Patch Antenna Design on Jeans Substrate Radiating at 2.45 GHz for WBAN Application

Mulkalla,

Fakirde,

Peshwe

2023

PIER M

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This study presents a compact, low-profile, and flexible fabric antenna specifically designed for on-body Wireless Body Area Networks operating within the Industrial, Scientific, and Medical (ISM) frequency band at a central frequency of 2.45 GHz. The proposed antenna employs a jeans substrate, with a dielectric constant εr = 1.67 and loss tangent tan δ = 0.025, which is 0.5 mm in thickness, allowing for its flexibility. The antenna incorporates slots on the patch and a Defected Ground Structure (DGS), with a total size of 36 × 55 × 0.6 mm 3 (0.29λo × 0.45λo × 0.005λo mm 3 ). To assess the antenna's flexibility, bending analysis was performed, while its performance was evaluated using a phantom model that simulates human tissue, comprising skin, fat, and bone, with respective thicknesses of 1 mm, 0.5 mm, and 4 mm. The final model of the antenna operates at a central frequency of 2.45 GHz, with an impressive bandwidth of 0.8 GHz. The proposed design maintains a high level of directivity, gain, and reflection coefficient (S11) at the desired frequency, with values of 4.7 dBi, 3.6 dBi, and −41 dB, respectively. The Specific Absorption Rate (SAR) of the final antenna was measured on the above model and found to be 0.114 W/Kg for 1 g of tissue, which is well within the limits established by IEEE and FCC standards. Both the measured and simulated values of return loss and gain suggest that the proposed antenna is eminently suitable for body-worn applications.

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“…The increased efficiency and thicker substrate will make the gain higher. Then, the reduced loss tangent can improve antenna performance [6]. The uniplanar compact EBG is best for wearable applications because they are inexpensive, not used via, etc.…”

Section: Introductionmentioning

confidence: 99%

Wearable Antenna Dual Band With Electromagnetic Band Gap (Ebg) Structure for Health Applications

Ash-Shiddiq,

Ryanu,

Nur

2023

CEPAT

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Telemedicine can solve several issues in the healthcare system. The wearable antenna works with the Industrial, Scientific, and Medical (ISM) band for wireless body area network (WBAN) communications. Wearable antennas are lightweight, easy to make, and so on. This antenna application's bandwidth is limited by the thin substrate. This research will create a wearable planar monopole antenna with a circular patch that can operate at 2,4 and 5,8 GHz. Antenna without the UC-EBG structure and antenna with the UC-EBG structure were tested. The simulation results without UC-EBG show that the return loss is -14.629 dB and -28,639 dB, the VSWR is 1,456 and 1,077, the bandwidth is 4988 MHz, and the gain is 2,517 dBi and 4,270 dBi. The simulation results with the addition of UC-EBG show that the return loss is -13,835 dB and -17,46 dB, the VSWR is 1,511 and 1,309, the bandwidth is 1480 MHz and 2320 MHz, and the gain is 2,869 dBi and 5,208 dBi. The measurement results with UC-EBG show that the return loss is -13,134 dB and -18,421 dB, the VSWR is 1,566 and 1,273, the bandwidth is 1080 MHz and 960 MHz, and the gain is 2,198 dBi and 4,98 dBi.

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A Review of the Wearable Textile-Based Antenna using Different Textile Materials for Wireless Applications

Cited by 9 publications

References 9 publications

Materials, Designs, and Implementations of Wearable Antennas and Circuits for Biomedical Applications: A Review

Materials, Designs, and Implementations of Wearable Antennas and Circuits for Biomedical Applications: A Review

Flexible Microstrip Patch Antenna Design on Jeans Substrate Radiating at 2.45 GHz for WBAN Application

Wearable Antenna Dual Band With Electromagnetic Band Gap (Ebg) Structure for Health Applications

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