A LoRaWAN Wireless Sensor Network for Data Center Temperature Monitoring
Tommaso Polonelli, Davide Brunelli, Andrea Bartolini, Luca Benini

TL;DR
This paper presents a low-cost, battery-powered LoRaWAN wireless sensor network that effectively monitors data center temperatures over six months, significantly improving energy efficiency and enabling better cooling management.
Contribution
Introduction of a novel LoRaWAN-based wireless sensor network for data center temperature monitoring with exceptional energy efficiency and long-term operation.
Findings
Collected over six million data points with no losses
Achieved 300x better energy efficiency than previous WSNs
Operated continuously for six months without battery recharge
Abstract
High-performance computing installations, which are at the basis of web and cloud servers as well as supercomputers, are constrained by two main conflicting requirements: IT power consumption generated by the computing nodes and the heat that must be removed to avoid thermal hazards. In the worst cases, up to 60% of the energy consumed in a data center is used for cooling, often related to an over-designed cooling system. We propose a low-cost and battery-supplied wireless sensor network (WSN) for fine-grained, flexible and long-term data center temperature monitoring. The WSN has been operational collecting more than six million data points, with no losses, for six months without battery recharges. Our work reaches a 300x better energy efficiency than the previously reported WSNs for similar scenarios and on a 7x wider area. The data collected by the network can be used to optimize…
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Taxonomy
TopicsIoT Networks and Protocols · Bluetooth and Wireless Communication Technologies · IoT-based Smart Home Systems
