A wearable UHF RFID tag antenna-based metamaterial for biomedical applications

Ennajih, Abdelhadi; Nasiri, Badr; Zbitou, Jamal; Errkik, Ahmed; Latrach, Mohamed

doi:10.11591/eei.v9i2.1661

Cited by 9 publications

(5 citation statements)

References 21 publications

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“…The first case: When the phone model is pressed close to the ear. A dielectric head form inserted into the near field affects antenna matching [36]. The resonant frequency value has decreased by 13% compared to empty space.…”

Section: Resultsmentioning

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: Resultsmentioning

confidence: 99%

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

Hamid

Chisab

2021

Bulletin EEI

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“…Metamaterials are materials that possess a homogeneous composition that is not found in ordinary materials, such as negative permittivity or permeability, or both [14]. In the microwave field, metamaterials are used either to miniaturize the size of passive circuits or antennas, for performance enhancement or to reduce the mutual coupling between antenna array elements [15]- [19].…”

Section: Design Of Mimo Antenna 21 Proposed Unit Cellmentioning

confidence: 99%

Design of a novel compact low specific absorption rate multiple input multiple output antenna for 5G sub-6 GHz terminals

Ennajih,

Sardi,

Mouzouna

et al. 2024

Bulletin EEI

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This investigation presents a new design and analysis of a fourteen elements massive multiple input multiple output (MIMO) compact low specific absorption rate (SAR) antenna system for 5G and beyond terminals. The MIMO antennas are realized for sub-6 GHz LTE-band 46 (5.1-5.8 GHz) long-term evolution 5G wireless communication services. The proposed antenna system is designed on an FR-4 dielectric constant 4.3 substrate consisting of the main board and four sideboards. The radiating elements are developed on the sideboards consisting of a monopole antenna and two metamaterial unit cells, as well as the feed line is designed on the principal board. The overall volume of the proposed structure is 150×80×7.5 mm. Through the use of the metamaterial unit cells, the proposed antennas have been arranged in close proximity without developing a strong mutual coupling. The results obtained were very important in terms of impedance matching, isolation among the antennas, and good gain. Even, the SAR analysis at the operating frequency band of 5.5 GHz proves that the proposed MIMO antenna system satisfies safety standards set for human exposure at the international level. Therefore, the proposed massive MIMO antenna structure is a potential solution for future communication applications.

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“…Cloud computing and artificial intelligence (AI) are two key technologies to enable smart decision-making in various applications, but their accuracy and reliability is based on a huge amount of data from massive sensors, which is only achievable with the introduction of communication technologies, including but not limited to wireless sensor networks (WSN), radio frequency identification (RFID), and 5G. IoT technologies, such as 5G networks [4], radio frequency identification (RFID), and sensor networks, have important applications such as telemedicine, remote surgery, tracking patient activity in healthcare facilities, real-time monitoring using RFID wearable devices [5,6], and providing ongoing treatment information and support for patients.…”

Section: Introductionmentioning

confidence: 99%

Prospective RFID Sensors for the IoT Healthcare System

Xiang

Zhao²,

Tian

et al. 2022

Journal of Sensors

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The outbreak of COVID-19 has attracted people’s attention to our healthcare system, stimulating the advancement of next-generation health monitoring technologies. IoT attracts extensive attention in this advancement for its advantage in ubiquitous communication and sensing. RFID plays a key role in IoT to tackle the challenges in passive communication and identification and is now emerging as a sensing technology which has the ability to reduce the cost and complexity of data collection. It is advantageous to introduce RFID sensor technologies in health-related sensing and monitoring, as there are many sensors used in health monitoring systems with the potential to be integrated with RFID for smart sensing and monitoring. But due to the unique characteristics of the human body, there are challenges in developing effective RFID sensors for human health monitoring in terms of communication and sensing. For example, in a typical IoT health monitoring application, the main challenges are as follows: (1) energy issues, the efficiency of RF front-end energy harvesting and power conversion is measured; (2) communication issues, the basic technology of RFID sensors shows great heterogeneity in terms of antennas, integrated circuit functions, sensing elements, and data protocols; and (3) performance stability and sensitivity issues, the RFID sensors are mainly attached to the object to be measured to carry out identification and parameter sensing. However, in practical applications, these can also be affected by certain environmental factors. This paper presents the recent advancement in RFID sensor technologies and the challenges for the IoT healthcare system. The current sensors used in health monitoring are also reviewed with regard to integrating possibility with RFID and IoT. The future research direction is pointed out for the emergence of the next-generation healthcare and monitoring system.

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A wearable UHF RFID tag antenna-based metamaterial for biomedical applications

Cited by 9 publications

References 21 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

Design of a novel compact low specific absorption rate multiple input multiple output antenna for 5G sub-6 GHz terminals

Prospective RFID Sensors for the IoT Healthcare System

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