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RCER: Reliable Cluster-based Energy-aware Routing protocol for heterogeneous Wireless Sensor Networks.

Khalid Haseeb1, Naveed Abbas1, Muhammad Qaisar Saleem2

  • 1Department of Computer Science, Islamia College Peshawar, Peshawar, Pakistan.

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This study introduces a Reliable Cluster-based Energy-aware Routing (RCER) protocol for heterogeneous Wireless Sensor Networks (WSNs). RCER enhances network stability and data delivery by optimizing routing in clustered, energy-aware networks.

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Area of Science:

  • Computer Science
  • Network Engineering
  • Wireless Sensor Networks (WSNs)

Background:

  • Propagating sensory data in Wireless Sensor Networks (WSNs) faces challenges due to unpredictable sensor nodes.
  • Existing energy-efficient solutions often assume homogeneous networks and rely solely on distance for routing, limiting network lifetime and stability.
  • Current next-hop selection methods lack stability and struggle with data delivery interruptions on overloaded links.

Purpose of the Study:

  • To develop a Reliable Cluster-based Energy-aware Routing (RCER) protocol for heterogeneous WSNs.
  • To extend network lifetime and reduce overall routing costs.
  • To improve data delivery performance and network reliability.

Main Methods:

  • The RCER protocol utilizes node heterogeneity based on energy levels.
  • The network field is divided into geographical clusters for enhanced energy efficiency.
  • Optimal next-hop selection is achieved by considering residual energy, hop count, and weighted Round Trip Time (RTT).

Main Results:

  • RCER demonstrates significant improvements in network lifetime and routing cost compared to existing solutions.
  • The protocol effectively restores routing paths by assessing wireless link and node status.
  • Enhanced data delivery performance and network reliability were observed in simulations.

Conclusions:

  • The proposed RCER protocol offers a robust and energy-efficient routing solution for heterogeneous WSNs.
  • RCER addresses limitations of previous methods by incorporating energy awareness and dynamic path restoration.
  • Simulation results validate the superiority of RCER in improving WSN performance metrics.