Recent advances in fabrication methods for flexible antennas in wearable devices: State of the art

B Mohamadzade, RM Hashmi, RBVB Simorangkir… - Sensors, 2019 - mdpi.com
Antennas are a vital component of the wireless body sensor networks devices. A wearable
antenna in this system can be used as a communication component or energy harvester …

Ultrasensitive miniaturized planar microwave sensor for characterization of water–alcohol mixtures

S Javadizadeh, M Badieirostami, M Shahabadi - Scientific Reports, 2023 - nature.com
Designing a low-cost, compact, yet sensitive planar microwave sensor for complex
permittivity measurement is highly desired for numerous applications though quite …

A flexible and wearable dual band bio-based antenna for WBAN applications

A Sid, PY Cresson, N Joly, F Braud, T Lasri - AEU-International Journal of …, 2022 - Elsevier
This paper presents a flexible and wearable (on-body) dual band antenna operating in two
Industrial, Scientific and Medical (ISM) frequency bands. The central frequencies selected …

Analysis of dielectric properties of polydimethylsiloxane (PDMS) as a flexible substrate for sensors and antenna applications

PK Sharma, N Gupta, PI Dankov - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
In this paper, a complete analysis of the complex dielectric constant of a flexible substrate
from the silicon-based polymer-Polydimethylsiloxane (PDMS) is performed, and the …

Dielectric characterization of polylactic acid substrate in the frequency band 0.5–67 GHz

G Boussatour, PY Cresson, B Genestie… - IEEE Microwave and …, 2018 - ieeexplore.ieee.org
Polylactic acid (PLA) is a bio-based and biodegradable polymer currently used in a wide
range of packaging, medical, and industrial applications. PLA is also envisaged for the …

[HTML][HTML] Bio-based substrate for flexible electronics-application to a 2.45 GHz wearable patch antenna

A Sid, PY Cresson, N Joly, F Braud, T Lasri - Materials Today Electronics, 2023 - Elsevier
In this paper, a bio-based and biocompatible polymer, Cellulose Laurate (CL), is proposed
for flexible radio-frequency (RF) electronics. The synthesis of CL films together with their …

An improved NRW method for thin material characterization using dielectric filled waveguide and numerical compensation

H Chen, J Zhang, Y Wang, W Che… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this article, permittivity measurements based on the Nicholson–Ross–Weir (NRW)
technique are reviewed, and an improved method is proposed based on dielectric-filled …

Broadband electromagnetic properties of engineered flexible absorber materials

L Suriyasena Liyanage, CS Smith… - Advanced Materials …, 2023 - Wiley Online Library
Flexible and stretchable materials have attracted significant interest in wearable electronics
and bioengineering fields. Recent developments also incorporate embedded microwave …

An ex vivo study of wireless linkage distance between implantable LC resonance sensor and external readout coil

M Farooq, B Amin, MJ Kraśny, A Elahi, MRU Rehman… - Sensors, 2022 - mdpi.com
The wireless monitoring of key physiological parameters such as heart rate, respiratory rate,
temperature, and pressure can aid in preventive healthcare, early diagnosis, and patient …

Dielectric spectroscopy of fluids and polymers for microwave microfluidic circuits and antennas

H Banting, CE Saavedra - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
The permittivity response from 0.5 to 40 GHz of ethyl acetate (C 4 H 8 O 2), ethylene glycol
(CH 2 OH) 2, castor oil (C 57 H 104 O 9), liquid paraffin, and other fluids commonly used for …