Intelligent Duty Cycling Management and Wake-up for Energy Harvesting IoT Networks with Correlated Activity

• URL: http://arxiv.org/abs/2405.06372v1
• Date: Fri, 10 May 2024 10:16:27 GMT
• Title: Intelligent Duty Cycling Management and Wake-up for Energy Harvesting IoT Networks with Correlated Activity
• Authors: David E. Ruíz-Guirola, Onel L. A. López, Samuel Montejo-Sánchez, Israel Leyva Mayorga, Zhu Han, Petar Popovski,
• Abstract summary: This paper presents an approach for energy-neutral Internet of Things (IoT) scenarios where the IoT devices rely entirely on their energy harvesting capabilities to sustain operation. We use a Markov chain to represent the operation and transmission states of the IoTDs, a modulated Poisson process to model their energy harvesting process, and a discrete-time Markov chain to model their battery state. We propose a duty-cycling management based on K- nearest neighbors, aiming to strike a trade-off between energy efficiency and detection accuracy.
• Score: 43.00680041385538
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: This paper presents an approach for energy-neutral Internet of Things (IoT) scenarios where the IoT devices (IoTDs) rely entirely on their energy harvesting capabilities to sustain operation. We use a Markov chain to represent the operation and transmission states of the IoTDs, a modulated Poisson process to model their energy harvesting process, and a discrete-time Markov chain to model their battery state. The aim is to efficiently manage the duty cycling of the IoTDs, so as to prolong their battery life and reduce instances of low-energy availability. We propose a duty-cycling management based on K- nearest neighbors, aiming to strike a trade-off between energy efficiency and detection accuracy. This is done by incorporating spatial and temporal correlations among IoTDs' activity, as well as their energy harvesting capabilities. We also allow the base station to wake up specific IoTDs if more information about an event is needed upon initial detection. Our proposed scheme shows significant improvements in energy savings and performance, with up to 11 times lower misdetection probability and 50\% lower energy consumption for high-density scenarios compared to a random duty cycling benchmark.

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