Fully Fabric High Impedance Surface-Enabled Antenna for Wearable Medical Applications

Ashyap, Adel Y. I.; Dahlan, Samsul Haimi; Abidin, Zuhairiah Zainal; Rahim, Sharul Kamal Abdul; Majid, H. A.; Alqadami, Abdulrahman S. M.; Atrash, Mohamed El

doi:10.1109/access.2021.3049491

Cited by 35 publications

(22 citation statements)

References 39 publications

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“…The formation of such interference zeros is discussed in [21], [22] for example of, a Huygens element with an arbitrary ratio of currents and in [23], [24] for a system of two parallel electric dipoles (vibrators). The formation of the fixed zeros of the electric field at a finite distance from the system of radiators carried out by selecting the amplitude and phase difference of their currents [25].…”

Section: Research Methods 21 Broblem Formulationmentioning

confidence: 99%

The calculation of the field of an antenna located near the human head

Hamid

Chisab

2021

Bulletin EEI

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In this work, a numerical calculation was carried out in one of the universal programs for automatic electro-dynamic design. The calculation is aimed at obtaining numerical values for specific absorbed power (SAR). It is the SAR value that can be used to determine the effect of the antenna of a wireless device on biological objects; the dipole parameters will be selected for GSM1800. Investigation of the influence of distance to a cell phone on radiation shows that absorbed in the head of a person the effect of electromagnetic radiation on the brain decreases by three times this is a very important result the SAR value has decreased by almost three times it is acceptable results.

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Section: Research Methods 21 Broblem Formulationmentioning

confidence: 99%

The calculation of the field of an antenna located near the human head

Hamid

Chisab

2021

Bulletin EEI

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“…Antennas can be made bulkier by adding additional ground plane components, and a truncated ground plane was created to prevent electric field hot spots [80]. Implementing an inverted ground section with a single-arm antenna meander near the feeding line minimizes the amount of interference around the feed while leaving the feed untouched [109]- [111]. For additional SAR reduction techniques, ferrite sheets and metamaterials can be integrated and Table 4 compares these methods.…”

Section: B Reducing Sar Levelsmentioning

confidence: 99%

Wearable Textile Patch Antenna: Challenges and Future Directions

et al. 2022

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Wearable antennas have grown in popularity in recent years as a result of their appealing features and prospects to actualize lightweight, compact, low-cost and adaptable wireless communications and surroundings. These antennas have to be conformal and made of lightweight materials in a low-profile arrangement when attached to various parts of the human body. Near-body operation of these antennas should be possible without degradation. When these characteristics are taken into account, the layout of wearable antennas become challenging, especially when textile substrates are investigated, high conductivity materials are used during manufacturing procedures and body binding scenarios have an impact on the design's performance. Several of these issues arise in the context of body-worn deployment, despite modest changes in magnitude between implementations. This paper examines the multiple issues and obstacles encountered in the construction of wearable antennas as well as the range of materials used, and the Specific Absorption Rate (SAR) effects employed as well as the bending scheme. An overview of the innovative features and their separate approaches to addressing the difficulties lately raised by work in this field conducted by the scientific community is provided as an appendix.

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“…Recently, wireless body area network (WBAN), which can promote in-depth communication between people and internet of things, is becoming a research hotspot. [1][2][3] With advancement of the WBAN system, the wearable antennas, as a key component in wireless communication between WBAN and external devices, entered people field of vision. There are still many challenges for designing wearable antennas because of the special working environments.…”

Section: Introductionmentioning

confidence: 99%

Design of flexible dual‐band antenna and metamaterial structure for wearable body area network

Zheng

Liu

et al. 2022

Int J RF Mic Comp-Aid Eng

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To adapt to the application of wireless body area network (WBAN), a wearable flexible dual-band antenna is developed, which has a compact size of 17 Â 29 Â 0.15 mm 3 and a better bandwidth of 61.2% and 43.1% at 2.4 and 5.8 GHz, respectively. The dual-band characteristic is achieved by slotting technique without changing the contour size. A dual-band metamaterial structure (MS) is designed to improve radiation performance and reduce the specific absorption rate (SAR) of the proposed antenna. To verify the validity of the MS, we build two simulation human models. The forward gain of the antenna is increased and the SAR is significantly decreased when adding the MS between antenna and human skin. The antenna is designed and fabricated on a flexible substrate, and its performance is verified for both flat and curved configurations. To examine its performance as a wearable antenna, it is measured on a human body. The measurements show an excellent agreement with the simulations. Good performances of designed antenna make it potential to application of the miniaturized wearable devices.

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Fully Fabric High Impedance Surface-Enabled Antenna for Wearable Medical Applications

Cited by 35 publications

References 39 publications

The calculation of the field of an antenna located near the human head

The calculation of the field of an antenna located near the human head

Wearable Textile Patch Antenna: Challenges and Future Directions

Design of flexible dual‐band antenna and metamaterial structure for wearable body area network

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