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A LoRaWAN Wireless Sensor Network for Data Center Temperature Monitoring

  • Tommaso Polonelli
  • Davide BrunelliEmail author
  • Andrea Bartolini
  • Luca Benini
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 573)

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 300× better energy efficiency than the previously reported WSNs for similar scenarios and on a 7× wider area. The data collected by the network can be used to optimize cooling effort while avoiding dangerous hot spots.

Notes

Acknowledgements

This work was partially supported by a collaboration grant with CINECA. A special thanks for the support to Michele Toni, Massimo Alessio Mauri, Emanuele Sacco is also acknowledged.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Tommaso Polonelli
    • 1
  • Davide Brunelli
    • 2
    Email author
  • Andrea Bartolini
    • 1
  • Luca Benini
    • 1
    • 3
  1. 1.University of BolognaBolognaItaly
  2. 2.University of TrentoTrentoItaly
  3. 3.ETH ZurichZurichSwitzerland

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