Abstract
Limited battery power directly affects the performance and survival time of sensor networks. In this study, solar energy was used to provide additional energy for sensor nodes, and a clustering algorithm for heterogeneous wireless sensor networks (WSNs) based on a solar energy supply is proposed. A cluster head is selected on the basis of the self-replenishment state and the remaining energy of the nodes. A cluster-head selection mechanism and network layer multi-hop routing are adopted to balance the energy consumption of the network. A set of experiments showed that the proposed algorithm can effectively prolong the network lifetime, improve the stability and efficiency of the network, and balance the energy consumption compared with other algorithms under the same environmental energy supply.
Highlights
A wireless sensor network (WSN) is a distributed sensing network that is composed of sensor nodes that can perceive and detect the external world [1,2]
Considering the above problems, this study proposes a heterogeneous sensor network clustering routing algorithm called CHSES that contains energy recharge
The EH-low-energy adaptive clustering hierarchy (LEACH), power-harvesting clustering (PHC), and heterogeneous network includes self-Supplying Nodes (HNS) algorithms with an energy supply increased at the same rate after the 1500th round, because only a few advanced nodes and a small number of ordinary nodes were observed in the network at this time
Summary
A wireless sensor network (WSN) is a distributed sensing network that is composed of sensor nodes that can perceive and detect the external world [1,2]. A network cluster structure can be used to divide nodes and assign tasks to utilize the energy of the nodes and extend the lifetime of the WSN. These measures only reduce the energy consumption and cannot fundamentally solve the problem of battery energy limitation. Few studies have reported on clustering routing algorithms for heterogeneous sensor networks that have advanced nodes with an energy supply and ordinary nodes without an energy supply. A clustering algorithm for heterogeneous sensor networks based on a solar energy supply (CHSES) is proposed.
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