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