Wireless hearth rate monitor based on infra light detection

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Fehér Gábor
Department of Broadband Infocommunications and Electromagnetic Theory

Wireless Infrared Heart-rate monitor

During my internship I was working on a sensor capable of measuring the human heart-rate. The sensor was designed to a wireless application, therefore the power consumption of the device is limited. The sensor is connected to a microcontroller which provide the signals controlling the measurement and accepts the biophysical data acquired.

The microcontroller is integrated in a low power Bluetooth chip and transmits the data through a wireless connection to a central unit which is capable of processing the measured biophysical parameters, having a greater calculation capacity.

In my thesis I will primarily working on the measurement controllig signals (starting, finishing measurements, register and transmit data), and the measurement of power consumption of the device, which I will make an effort to moderate..

Further Aims are to analyse the radio link between the central unit and the sensor in aspects of signal propagation, noise sensitivity and EMC compatibility. In addition to these aims is a software to be developed which can visualise the heart-rate.


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