Consumed energy-saving routing protocol based on Gray Wolf’s Optimization for wireless sensor networks

What is it about?

Abstract. The Energy Management (EM) procedures within the Wireless Sensor Network (WSN) are considered to be efficacious factors that affecting the network lifetime, which are the prime concern in routing protocol of WSN. In WSNs, sensor nodes have scarce resources with limited energy and possess the capabilities to sense the environments, data processing and transmitting. Due to the limited energy of the sensor, the issue of reducing its consumed energy during sensors activity is considered the main goal for the purpose of developing a treatment for it in this research, as the issue of reducing the amount of energy consumed on the entire network will be of great importance in affecting the stability of the network and prolonging its life. The issue of reducing the consumed energy amount on the entire network will have a major importance in affecting the network stability and prolonging its lifetime. The adoption of a protocol that manage energy consumption has occupied a great deal of researchers' attention. Therefore, the research methodology mainly focuses on proposing a routing protocol that depends on a set of effective algorithms in nodes deploying, clustering and data transmission to base station (BS). The smart algorithm GWO was also chosen, which has a significant impact on optimizing the routing process and selecting the perfect path for data delivery to BS. The GWO algorithm and other proposed algorithms contributed to building the MVFGWO routing protocol, which has contributed significantly in reducing the consumed energy in the entire network, improving network performance and extending network lifetime. If we compare MVFGWO with the best similar routing protocols. The practical results showed the superiority of the proposed protocol over the rest of the best routing protocols that were adopted for comparison (LEACH, Z-SEP and DEEC), to evaluate the MVFGWO protocol performance. The adopt evaluation metrics like network life, consumed energy and network stability. The practical results show an improvement reached more than 34% network lifetime. Also for the metric of consumed energy in the entire network, the improvement in results is more than 40%. These comparison results have been calculated only with the best routing protocol among the proposed protocols, which is DEEC.

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Why is it important?

Due to the limited energy of the sensor, the issue of reducing its consumed energy during sensors activity is considered the main goal for the purpose of developing a treatment for it in this research, as the issue of reducing the amount of energy consumed on the entire network will be of great importance in affecting the stability of the network and prolonging its life.

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