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An Optimized Relay Selection Technique to Improve the Communication Reliability in Wireless Sensor Networks.

Suelen Laurindo1,2, Ricardo Moraes3, Ríad Nassiffe4

  • 1Department of Automation and Systems, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil. suelen.m.l@posgrad.ufsc.br.

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|October 3, 2018
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Summary
This summary is machine-generated.

This study introduces new relay selection techniques for Wireless Sensor Networks (WSN) to enhance Internet of Things (IoT) communication reliability. The proposed methods significantly improve network performance by optimizing relay node usage.

Keywords:
WSNcooperative communicationcooperative diversityrelay selectionwireless sensor network

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Networking

Background:

  • Wireless Sensor Networks (WSN) are crucial for the Internet of Things (IoT), enabling smart object communication.
  • The inherent unreliability of wireless communication necessitates enhanced reliability in WSNs.
  • Cooperative communication, where nodes act as relays, is a key strategy to improve WSN reliability.

Purpose of the Study:

  • To propose an efficient, multi-criteria relay selection technique for WSNs.
  • To minimize the number of relay nodes while ensuring network operational adequacy.
  • To investigate periodic and adaptive relay updating schemes.

Main Methods:

  • A multi-criteria approach for selecting the optimal set of relay nodes.
  • Development of two relay updating policies: Periodic Relay Selection and Adaptive Relay Selection.
  • Simulation-based evaluation of the proposed schemes against existing methods.

Main Results:

  • The proposed Periodic Relay Selection and Adaptive Relay Selection schemes significantly enhance WSN communication reliability.
  • The multi-criteria technique effectively balances the number of relays with network performance.
  • Both updating schemes demonstrate superior performance compared to state-of-the-art relay selection strategies.

Conclusions:

  • Efficient relay selection is fundamental to improving WSN communication reliability.
  • The proposed multi-criteria selection and updating schemes offer a robust solution for reliable WSNs.
  • These advancements are vital for the successful implementation and scalability of IoT ecosystems.