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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.
Plos One
|September 20, 2019
Summary
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.
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.
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