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HARE: Supporting Efficient Uplink Multi-Hop Communications in Self-Organizing LPWANs.

Toni Adame Vázquez1, Sergio Barrachina-Muñoz2, Boris Bellalta3

  • 1Department of Information and Communication Technologies, Universitat Pompeu Fabra, Carrer de Roc Boronat 138, 08018 Barcelona, Spain. toni.adame@upf.edu.

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Summary

The HARE protocol stack enables multi-hop communications in low-power wide area networks (LPWANs), achieving up to 15% energy savings. This new approach enhances scalability and device self-organization for the Internet of Things (IoT).

Keywords:
IoTLPWANM2Mmulti-hoppower saving mechanisms

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Networking

Background:

  • Low-power wide area networks (LPWANs) are crucial for the Internet of Things (IoT).
  • Traditional single-hop LPWANs face scalability and energy efficiency challenges in dense deployments.
  • Existing LPWANs often neglect device self-organization and resilience.

Purpose of the Study:

  • To introduce the HARE protocol stack as an advanced LPWAN technology.
  • To enable flexible uplink multi-hop communications in LPWANs.
  • To improve energy efficiency and scalability in IoT networks.

Main Methods:

  • Development and proposal of the HARE protocol stack.
  • Implementation of uplink multi-hop communication capabilities.
  • Validation through a real-world testbed and network device manipulation.

Main Results:

  • Achieved energy savings of up to 15% using the multi-hop approach.
  • Maintained network reliability comparable to single-hop deployments.
  • Demonstrated system self-organization and resilience through association mechanism iterations and device failures.

Conclusions:

  • The HARE protocol stack offers an energy-efficient and scalable solution for LPWANs.
  • Multi-hop communication in LPWANs significantly reduces energy consumption.
  • The HARE protocol stack enhances IoT network robustness and self-management.