Addressing and routing schemes for body area networks

Publication Type:
Thesis
Issue Date:
2012
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NO FULL TEXT AVAILABLE. Access is restricted indefinitely. ----- Wireless Body Area Networks (BANs) is an exciting new networking technology leveraging the emerging IEEE 802.15.6 standard that enables the wireless interconnection of miniature, lightweight and low power monitoring devices. Their aim is to simplify and improve the speed and accuracy of data collection from sensors placed in or around a human body. Sensors in a BAN are capable of monitoring vital signals, providing real-time feedback and information on the recovery process in case of health monitoring applications. Further, BANs may also control actuators for the timely release of medication. As some of these nodes are actuators, it is very important that information arrives at the nodes at the appropriate time and in the same way as they were first transmitted. An appropriate method of addressing will lead to such an aim. However, due to the stringent power constraints and limited address space in BANs no existing or traditional addressing scheme is applicable to these networks. In our research, we have proposed two collision-free addressing schemes with low complexity, low latency, and low communication overhead. The first allocations scheme, OPAA, is an optimization of the Prophet algorithm to reduce the number of collisions by which we have reached very little collision percentage. This scheme uses a centralized architecture and is totally dynamic. The next proposed addressing scheme, HCAP, has specified a number of bits towards allocation of addresses to nodes in different levels and is completely collision free. Their efficiency and usability has also been tested through various simulations. Moreover, the challenges of routing in BANs in comparison with WSNs, MANETs and WMNs have been studied and an energy-efficient, thermal-aware routing protocol has been proposed for Body Area Networks and evaluated through various simulations.
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