A Survey of Routing Protocols in Wireless Body Area Networks for Healthcare Applications
International Journal of E-Health and Medical Communications
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Implanted biomedical sensor networks provide a major application of sensor networks in the near future. They collect desired biometric data and communicate the data wirelessly to a base-station through a multi-hop network. Their high temperature due to wireless communication and circuitry power consumption, for a prolonged period might damage the surrounding tissues. This paper presents an efficient thermal-aware routing protocol based on Shortest Hop Routing algorithm. Our proposed protocol states that when some nodes in the shortest path have a high temperature, the protocol ignores this path and routes packets through other paths whose nodes have lower temperatures. The simulation results prove the superiority of the proposed method compared to other thermal-aware routing protocols in terms of reducing temperature without a significant increase in packet delivery delay and power consumption of nodes.