Applications of an Ultra Low-Power Analog Wake-up Detector for Environmental IoT Networks and Military Smart Dust (original) (raw)

2018 IEEE International Conference on Internet of Things and Intelligence System (IOTAIS)

Abstract

Being used for synchronizing and triggering environmental and military Internet of Things (IoT) wireless networks, an ultra low power wake-up system based on frequency analysis is presented in this paper. With an average power consumption of 34μW, this wake-up detector is able to detect signals in different frequency bands, generating a separate output interrupt for each of them. Adding an additional frequency band detector only costs an additional 500nA. Applications to data retrieval in a military smart dust using a drone on a battlefield, and for activation and synchronization of a environmental wireless sensor network are presented. This later uses a multi-frequency light pulses burst propagation algorithm for triggering a whole wireless sensor network in harsh conditions such as a dense rain forest in 50ms, and for synchronizing it with a timing precision of less than 20μs in a large network.

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