Enhancing the performance of medical implant communication systems through cooperative diversity

Authors:
Barnabás Hegyi;János Levendovszky
Affiliations:
Faculty of Information Technology, Pázmány Péter Catholic University, Budapest, Hungary;Faculty of Information Technology, Pázmány Péter Catholic University, Budapest, Hungary and Department of Telecommunications, Budapest University of Technology and Economics, Budape ...
Venue:
International Journal of Telemedicine and Applications
Year:
2010

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Abstract

Battery-operated medical implants--such as pacemakers or cardioverter-defibrillators--have already been widely used in practical telemedicine and telecare applications. However, no solution has yet been found to mitigate the effect of the fading that the in-body to off-body communication channel is subject to. In this paper, we reveal and assess the potential of cooperative diversity to combat fading--hence to improve system performance--in medical implant communication systems. In the particular cooperative communication scenario we consider, multiple cooperating receiver units are installed across the room accommodating the patient with a medical implant inside his/her body. Our investigations have shown that the application of cooperative diversity is a promising approach to enhance the performance of medical implant communication systems in various aspects such as implant lifetime and communication link reliability.