Competition: Synchronous Transmissions based Flooding for Dependable Internet of Things

We present a reliable, fast, and ultra-low-power protocol stack to disseminate events in IEEE 802.15.4 based networks. Our stack is built on top of F OCUS , a new flooding primitive that exploits constructive interference and capture effect to provide higher energy efficiency, lower latency and higher reliability than state of the art flooding protocols. Our stack adapts key parameters of F OCUS and uses a time synchronized channel hopping scheme to mitigate interference and multipath fading.