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Opportunistic Multipath Routing in Long-Hop Wireless Sensor Networks.

Sangdae Kim1, Beom-Su Kim2, Kyong Hoon Kim3

  • 1Department of Informatics, Gyeongsang National University, Jinju 52828, Korea. sdkim.cse@gmail.com.

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This study introduces opportunistic multipath routing to boost packet delivery in long-hop wireless sensor networks. The new method significantly cuts energy use and enhances data transmission reliability.

Keywords:
energy efficiencylong-hop wireless sensor networks (WSNs)multipath routingopportunistic routingreliability

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Area of Science:

  • Computer Science
  • Network Engineering
  • Wireless Communication

Background:

  • Wireless sensor networks (WSNs) face challenges in packet delivery ratio (PDR) with increasing network length.
  • Existing routing protocols incur significant overhead in long-hop WSNs, degrading performance.
  • Multipath, opportunistic, and learning-based routing have limitations in long-hop scenarios.

Purpose of the Study:

  • To propose a novel opportunistic multipath routing scheme for long-hop WSNs.
  • To address the overhead issue inherent in traditional long-hop routing protocols.
  • To enhance packet delivery ratio and reduce energy consumption.

Main Methods:

  • Developed an opportunistic multipath routing protocol incorporating path number forecasting.
  • Implemented a bifurcation strategy based on opportunistic routing and reliability requirements.
  • Enabled intermediate nodes to dynamically select transmission nodes and adapt to path failures.

Main Results:

  • The proposed scheme significantly improves packet delivery ratio in long-hop WSNs.
  • Demonstrated substantial energy consumption reduction, ranging from 33% to 65%, compared to existing protocols.
  • Performance gains were validated under an 80% link success ratio.

Conclusions:

  • The proposed opportunistic multipath routing scheme effectively overcomes limitations of existing protocols in long-hop WSNs.
  • Achieved a superior balance between packet delivery performance and energy efficiency.
  • Offers a viable solution for reliable and energy-conscious data transmission in extensive WSN deployments.