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Simple and Low-Cost Heartbeat-Based Dual Modular Redundant Systems for Wireless Sensor Networks

  • Jongwhoa Na
  • Dongwoo Lee
  • Munkh Zorigbold
  • Dongmin Lee
  • Sungyup Moon
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 474)

Abstract

Sensor node lifetimes have become a critical issue in the operation of wireless sensor networks (WSNs). The redundancy technique can improve the reliability and availability of WSN sensor nodes. However, augmenting sensor nodes with a redundancy mechanism increases the cost and performance of the system. In this paper, to improve sensor node reliability without increasing costs, we investigate three dual modular redundancy systems using low-cost hardware and a heartbeat mechanism with a UART and direct UDP channels. The proposed systems exhibit three advantages – low latency, cost-effectiveness, and easy configuration. We find that the average failover time for our DMR implementation using the direct UDP connection is 379 ms.

Keywords

Heartbeat Failover Dual Modular Redundancy Wireless Sensor Network (WSN) 

Notes

Acknowledgement

This work was supported by Innovative Enterprise Technology Development Business funded by the Small and Medium Business Administration(SMBA, Korea) [Development of core technology of large rotor drone capable of carrying cargo with load weight of 50 kg or more: S2411346].

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Jongwhoa Na
    • 1
  • Dongwoo Lee
    • 1
  • Munkh Zorigbold
    • 1
  • Dongmin Lee
    • 1
  • Sungyup Moon
    • 1
  1. 1.Department of Electronics EngineeringKorea Aerospace UniversityGoyang-siRepublic of Korea

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