A low-cost biomedical signal transceiver based on a Bluetooth wireless system.

Area of Science:

• Biomedical Engineering
• Wireless Communication
• Signal Processing

Background:

• Current wireless biomedical signal transceivers often have limited communication range.
• There is a need for cost-effective and adaptable solutions for remote patient monitoring.

Purpose of the Study:

• To develop and demonstrate a low-cost wireless biomedical signal transceiver utilizing Bluetooth technology.
• To create a modular design adaptable to various biomedical signals.
• To assess the performance of the transceiver for transmitting multiple electrocardiogram (ECG) signals.

Main Methods:

• A modular transceiver design was implemented, featuring a signal front end for signal acquisition and processing.
• A microcontroller and wireless module were used for signal transmission.
• Near real-time receive software developed in LabVIEW was used to demonstrate system functionality.
• The prototype was tested for transmitting multiple ECG signals.

Main Results:

• The prototype successfully transmitted ECG signals, including multiple signals simultaneously.
• The transceiver achieved a sampling rate capable of transmitting up to thirteen ECG signals concurrently.
• Error rates were below 0.1% for transmissions exceeding 65 meters.

Conclusions:

• A low-cost, modular wireless biomedical transceiver using Bluetooth technology has been successfully developed.
• The system demonstrates reliable, long-range transmission of multiple biomedical signals, particularly ECG.
• This technology has significant potential for applications in real-time patient monitoring outside clinical settings.