Intelligent Communication Planning for Constrained Environmental IoT Sensing with Reinforcement Learning

• URL: http://arxiv.org/abs/2308.10124v1
• Date: Sat, 19 Aug 2023 22:59:09 GMT
• Title: Intelligent Communication Planning for Constrained Environmental IoT Sensing with Reinforcement Learning
• Authors: Yi Hu, Jinhang Zuo, Bob Iannucci and Carlee Joe-Wong
• Abstract summary: Internet of Things (IoT) devices are often power-constrained and utilize wireless communication schemes with limited bandwidth. We formulate the communication planning problem of IoT sensors that track the state of the environment. We propose a multi-agent reinforcement learning (MARL) method to find the optimal communication policies for each sensor.
• Score: 19.715387333728152
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Internet of Things (IoT) technologies have enabled numerous data-driven mobile applications and have the potential to significantly improve environmental monitoring and hazard warnings through the deployment of a network of IoT sensors. However, these IoT devices are often power-constrained and utilize wireless communication schemes with limited bandwidth. Such power constraints limit the amount of information each device can share across the network, while bandwidth limitations hinder sensors' coordination of their transmissions. In this work, we formulate the communication planning problem of IoT sensors that track the state of the environment. We seek to optimize sensors' decisions in collecting environmental data under stringent resource constraints. We propose a multi-agent reinforcement learning (MARL) method to find the optimal communication policies for each sensor that maximize the tracking accuracy subject to the power and bandwidth limitations. MARL learns and exploits the spatial-temporal correlation of the environmental data at each sensor's location to reduce the redundant reports from the sensors. Experiments on wildfire spread with LoRA wireless network simulators show that our MARL method can learn to balance the need to collect enough data to predict wildfire spread with unknown bandwidth limitations.

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