A Design and Construction of 4 Channel Biotelemetry Device Employing Indoor

Authors:
Uğur Fidan;Nihal Fatma Güler
Affiliations:
Gazi Üniversitesi Teknik Eğitim Fakültesi, Elektronik ve Bilgisayar Eğitimi Bölümü, Teknikokullar, Turkey 06500;Gazi Üniversitesi Teknik Eğitim Fakültesi, Elektronik ve Bilgisayar Eğitimi Bölümü, Teknikokullar, Turkey 06500
Venue:
Journal of Medical Systems
Year:
2007

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Abstract

In this study, 4 channel biotelemetry device was designed and implemented for monitoring physiological and biological signals of the patients at indoor. Body temperature, respiratory rate, heart rate, electrocardiogram (ECG) and electromyogram (EMG) signals were transmitted using 10 mW 433 MHz and 500 mW 868 MHz FM/FSK transmitter with 9.6 Kps transmission speed. At indoor, receive signal strength indicator (RSSI) levels were measured and compared with 433 and 868 MHz carrier frequency. The placement of repeater at indoor was decided as a result of RSSI measurement.