Routing algorithm for network of homogeneous and id-less biomedical sensor nodes (RAIN)

Rapid development in microelectronics and MEMS technology in recent years, have led to a wide-scale application of sensor networks. Since the tiny wireless nodes will be deployed in thousands in near future, it will not be possible to provide each of them with unique hardware identifiers. Existing routing algorithms for sensor networks, which assume that all the nodes in the network can be uniquely identified, will not be suitable for being used in such networks of id-less sensors. In this paper we consider a biomedical application of such id-less sensor nodes and propose a routing algorithm (RAIN), that can be used in an in-vivo network of homogeneous and id-less biomedical sensor nodes. Simulation results show that RAIN performs much better than C-FLOOD, a controlled flooding algorithm in terms of reducing the average temperature rise and average energy consumption of the nodes.