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An Energy-Efficient Clustering Routing Protocol Based on a High-QoS Node Deployment with an Inter-Cluster Routing
Kaida Xu1, Zhidong Zhao2,3,4, Yi Luo5
1School of Communication Engineering, Hangzhou Dianzi University, Hangzhou 310018, China. xukaidahdu@gmail.com.
Sensors (Basel, Switzerland)
|June 29, 2019
Summary
This study introduces an energy-efficient clustering routing protocol for wireless sensor networks (WSNs) that enhances data quality and network longevity through optimized node deployment and routing. The protocol improves information integrity and validity while reducing redundancy and balancing energy consumption.
Area of Science:
- Computer Science
- Network Engineering
- Wireless Sensor Networks
Background:
- Wireless sensor network (WSN) protocols primarily focus on low power consumption, with limited research on Quality of Service (QoS).
- Network coverage is a key metric for WSN QoS, reflecting data information quality.
- Real-world applications have varying coverage requirements for monitoring target points.
Purpose of the Study:
- To propose an energy-efficient clustering routing protocol (EECRP-HQSND-ICRM) for WSNs.
- To enhance QoS through high-quality node deployment and an inter-cluster routing mechanism.
- To address the differing coverage needs of monitoring points in WSN applications.
Main Methods:
- Defined formulas for information integrity, validity, and redundancy based on coverage rate.
- Introduced a node deployment strategy using twofold coverage.
- Divided the monitoring area into four cells around the base station (BS) for uniform cluster head (CH) distribution.
- Optimized the Dijkstra algorithm by neglecting nonessential paths and incorporating end-to-end and path weights for optimal inter-CH data transmission.
Main Results:
- The proposed deployment strategy demonstrated higher information integrity and validity, with lower redundancy compared to general strategies.
- The EECRP-HQSND-ICRM protocol significantly reduced and balanced network energy consumption.
- The protocol effectively extended the network lifetime compared to classic protocols.
Conclusions:
- The developed protocol enhances WSN QoS by improving data quality metrics (integrity, validity, redundancy).
- The optimized deployment and routing strategies contribute to significant energy savings and network longevity.
- This research provides a valuable contribution to improving the performance and reliability of WSNs.
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