An Overview of Electromagnetic Band-Gap Integrated Wearable Antennas

The recent advancement in the wireless technology has led to the advent of wearable antennas. These antennas are utilized for Wireless Body Area Networks (WBANs) purposes such as health-care, military sportive activities and identification systems. Compared to conventional antennas, wearable antenna...

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Bibliographic Details
Published in:IEEE access 2020, Vol.8, p.7641-7658
Main Authors: Ashyap, Adel Y. I., Dahlan, Samsul Haimi Bin, Zainal Abidin, Zuhairiah, Abbasi, Muhammad Inam, Kamarudin, Muhammad Ramlee, Majid, Huda A., Dahri, Muhammad Hashim, Jamaluddin, Mohd Haizal, Alomainy, Akram
Format: Article
Language:English
Subjects:
Absorption
AMC
Antenna design
Antennas
Body area networks
Conducting materials
Directivity
EBG
Energy gap
Fabrics
Human body
ISM
Metamaterials
metasurface
Periodic structures
Reflectance
SAR
State-of-the-art reviews
Substrates
textile/fabric antennas
Tissues
WBAN applications
Wearable technology
Wearable/flexible antennas
Wireless communication
Wireless networks
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Summary:The recent advancement in the wireless technology has led to the advent of wearable antennas. These antennas are utilized for Wireless Body Area Networks (WBANs) purposes such as health-care, military sportive activities and identification systems. Compared to conventional antennas, wearable antennas operate in an environment which is in highly near proximity to the curved human body. Therefore, the wearable/flexible antenna performance parameters, including reflection coefficient, bandwidth, directivity, gain, radiation characteristic, Specific Absorption Rate (SAR), and efficiency are anticipated to be influenced by the coupling and absorption by the human body tissues. In addition, an electromagnetic band-gap structure is introduced in the wearable/flexible antenna designs to enable and give a high degree of isolation from the human body which also decreases the SAR dramatically. This paper reviews the state-of-the-art wearable/flexible antennas integrated with the electromagnetic band-gap structure on flexible materials concentrating on single and dual-band designs. Besides, it also highlights the challenges and considerations for an appropriate wearable/flexible antenna.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.2963997