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Related Experiment Video

Updated: Jan 18, 2026

Home-Based Monitor for Gait and Activity Analysis

Home-Based Monitor for Gait and Activity Analysis

Published on: August 8, 2019

Wearable SIMO Inductive Resonant Link for Posture Monitoring.

Giuseppina Monti¹, Daniele Lezzi¹, Luciano Tarricone¹

¹Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy.

Sensors (Basel, Switzerland)

|September 13, 2025

Summary

This study demonstrates a novel wireless system for wearable posture monitoring using an Inductive Resonant Link (IRL). The textile-based resonators effectively track postural changes by analyzing magnetic coupling variations, offering a simpler alternative to traditional sensors.

Keywords:

inductive resonant coupling posture monitoring single input multiple output textile materials wearable

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An Instrumented Pull Test to Characterize Postural Responses

An Instrumented Pull Test to Characterize Postural Responses

Published on: April 6, 2019

Area of Science:

Wearable technology
Biomedical engineering
Wireless sensing

Background:

Traditional posture monitoring systems often rely on bulky sensors and complex data processing.
There is a need for unobtrusive, low-power wearable solutions for continuous posture tracking.

Purpose of the Study:

To investigate the feasibility of using a wireless Inductive Resonant Link (IRL) for wearable posture monitoring.
To develop a simple and efficient system for detecting postural changes using textile resonators.

Main Methods:

A Single Input Multiple Output (SIMO) configuration with four inductively coupled textile resonators was implemented.
One transmitting coil (neck) and three receiving coils (shoulders) were used.
Variations in transmission coefficients due to magnetic coupling changes with posture were analyzed using scattering parameter measurements.

Main Results:

A consistent and measurable relationship between postural changes and transmission coefficient variations was observed.
The system effectively distinguished between different postures.
Experimental validation was performed using a compact, low-power vector network analyzer.

Conclusions:

Wireless Inductive Resonant Links (IRLs) with textile components are a promising alternative for wearable posture tracking.
The proposed system offers advantages in wearability, power consumption, and simplicity.
Potential applications include ergonomics, rehabilitation, occupational health, and smart clothing.