2019
DOI: 10.1109/access.2019.2955993
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Energy-Efficient Routing in WSN: A Centralized Cluster-Based Approach via Grey Wolf Optimizer

Abstract: Energy efficiency is one of the main challenges in developing Wireless Sensor Networks (WSNs). Since communication has the largest share in energy consumption, efficient routing is an effective solution to this problem. Hierarchical clustering algorithms are a common approach to routing. This technique splits nodes into groups in order to avoid long-range communication which is delegated to the cluster head (CH). In this paper, we present a new clustering algorithm that selects CHs using the grey wolf optimize… Show more

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Cited by 125 publications
(120 citation statements)
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“…In case if this distance is less than its threshold value (d th ), then it employs the free space model as a channel model or else the multipath fading model is chosen as a channel model. The energy utilization of the data based on the distance factor is mathematically given as follows [ 55 ]: where E energy is a total dissipated energy of the circuit per bit, E tm and E am are the transmitter and amplifier model of the network, and d th is the threshold distance of the network and it is given as below in (8) …”
Section: Proposed Methodsmentioning
confidence: 99%
“…In case if this distance is less than its threshold value (d th ), then it employs the free space model as a channel model or else the multipath fading model is chosen as a channel model. The energy utilization of the data based on the distance factor is mathematically given as follows [ 55 ]: where E energy is a total dissipated energy of the circuit per bit, E tm and E am are the transmitter and amplifier model of the network, and d th is the threshold distance of the network and it is given as below in (8) …”
Section: Proposed Methodsmentioning
confidence: 99%
“…However, the single-hop routing mechanism will aggravate the fast energy consumption of nodes far away from the base station, which brings some limitations to the protocol. In [17], a clustering routing protocol based on Grey Wolf Optimizer (GWO) is proposed, it makes use of the infinite computing power and infinite energy of the base station to accurately calculate the energy that the network will consume in the next round, and the corresponding fitness function is proposed. The GWO is used to find the optimal solution of the problem, so as to select the optimal cluster head set.…”
Section: Related Workmentioning
confidence: 99%
“…After calculating the energy Gini coefficients of all clusters through equation 16, calculate the standard deviation of this group of energy Gini coefficients according to equation (17).…”
Section: Proposed Fitness Functionmentioning
confidence: 99%
“…Simulation with Matlab / Simulink software and comparison with other optimization techniques show that the controller based on GWO has advantages in stability, speed and accuracy in applications such as robot power supply. In [36], the author researched routing protocols and proposed a new clustering algorithm to solve the problem of energy consumption in WSN. In order to improve energy efficiency, GWO is used to select cluster head nodes, and the protocol algorithm is allowed to use the same cluster in multiple consecutive rounds.…”
Section: Related Workmentioning
confidence: 99%
“…The Grey Wolf Optimizer (GWO), a swarm intelligence optimization algorithm that mimics the predation process of grey wolves, is a heuristic search algorithm proposed by Mirjalili et al [31]. Because the algorithm has good convergence ability and high optimization precision, it has been widely used in neural network training [32], [33], controller design [34], [35], wireless sensor network coverage [36], [37] and other research fields [38]- [40]. The optimization performance of the GWO algorithm, however, still has room for improvement.…”
Section: Introductionmentioning
confidence: 99%