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Updated: May 14, 2026

Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults

Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults

Published on: February 8, 2019

A cognitive mobile BTS solution with software-defined radioelectric sensing.

Jorge Muñoz¹, Javier Vales Alonso, Francisco Quiñoy García

¹Gradiant, CITEXVI, Campus Universitario, Vigo, Spain. jorgem@gradiant.org

Sensors (Basel, Switzerland)

|February 7, 2013

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This summary is machine-generated.

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This study introduces a software-defined radio solution for private mobile communications in large vehicles. It enables real-time channel adjustments to prevent interference, enhancing reliability for onboard networks.

Area of Science:

Electrical Engineering
Computer Science
Telecommunications

Background:

Standard cellular systems face challenges providing reliable private communications within large moving vehicles like ships.
Existing platforms such as OpenBTS have limitations, particularly supporting only single-channel cells, which are inadequate for dynamic vehicular environments.

Purpose of the Study:

To propose a novel solution for private vehicular communications using software-defined radio (SDR) with electromagnetic sensing.
To enable dynamic reconfiguration of Base Transceiver Station (BTS) channel frequencies without interrupting ongoing calls.
To enhance safety through a rapid terminal detection procedure for emergency situations.

Main Methods:

Development of a software-defined radio platform incorporating electromagnetic sensing capabilities.

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Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults

Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults

Published on: February 8, 2019

Implementation of a dynamic channel reselection procedure for BTS frequency adaptation in real-time.

Design of a fast terminal detection algorithm for locating users, especially in emergencies.

Testing the proposed system's feasibility and compatibility with commercial Global System for Mobile Communications (GSM) terminals.

Main Results:

The proposed SDR solution successfully demonstrated the ability to change BTS channel frequency without disrupting active communications.
Frequency occupancy sensing and real-time channel reselection procedures were detailed and validated.
A fast terminal detection method was developed and tested, showing promise for emergency applications.
Compatibility with commercial GSM terminals was confirmed through various tests.

Conclusions:

The developed software-defined radio system offers a feasible and effective solution for private communications in large vehicles.
The dynamic channel reselection capability is crucial for maintaining reliable connectivity and avoiding interference in rapidly changing vehicular environments.
The system's compatibility with existing GSM terminals ensures practical implementation and adoption.