Implementation of Average Consensus Protocols for Commercial Sensor Networks Platforms

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Abstract

In sensor networks, average consensus and gossiping algorithms, featuring only near neighbor communications, present advantages over flooding and epidemic algorithms in a number of distributed signal processing applications. This chapter looks into the implementation of average consensus algorithms within the constraints of current sensor network technology. Our event-based protocols work in the real event-based environment provided by a common Mica2 platform and use its wireless CSMA packet-switched network interface. Within this architecture our chapter derives different protocols according to an event-based software architecture that are suitable for an environment like TinyOS, the most used operating system for low-power mote platforms. Theoretical and simulation results are presented, and the main advantage over traditional routing protocols is given by the fully distributed and scalable nature this approach follows.