Temperature-aware routing for telemedicine applications in embedded biomedical sensor networks

Authors:
Daisuke Takahashi;Yang Xiao;Fei Hu;Jiming Chen;Youxian Sun
Affiliations:
Department of Computer Science, The University of Alabama, Tuscaloosa, AL;Department of Computer Science, The University of Alabama, Tuscaloosa, AL;Computer Engineering Department, Rochester Institute of Technology, Rochester, NY;State Key Laboratory of Industrial Control Technology, Institute of Industrial Process Control, Zhejiang University, Hangzhou, China;State Key Laboratory of Industrial Control Technology, Institute of Industrial Process Control, Zhejiang University, Hangzhou, China
Venue:
EURASIP Journal on Wireless Communications and Networking - Wireless Telemedicine and Applications
Year:
2008

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Abstract

Biomedical sensors, called invivo sensors, are implanted in human bodies, and cause some harmful effects on surrounding body tissues. Particularly, temperature rise of the invivo sensors is dangerous for surrounding tissues, and a high temperature may damage them from a long term monitoring. In this paper, we propose a thermal-aware routing algorithm, called least total-route-temperature (LTRT) protocol, in which nodes temperatures are converted into graph weights, and minimum temperature routes are obtained. Furthermore, we provide an extensive simulation evaluation for comparing several other related schemes. Simulation results show the advantages of the proposed scheme.