Abstract
A Wireless Sensor Network (WSN) is made up of nodes that are all located in the same area. Energy consumption is an important factor in WSN because sensor node power is limited and cannot be recharged. Communication will cease when the sensor node’s energy runs out, so this is related to network lifetime. Data transmission is a high-energy activity in WSNs, so we need a solution to this problem. This paper studies energy consumption and network lifetime in the LEACH (Low Energy Adaptive Clustering Hierarchy) and LEACHPSO (Low Energy Adaptive Clustering Hierarchy- Particle Swarm Optimization) protocols. We compare these two protocols in case of energy consumption and network lifetime. The simulation results show that LEACH-PSO outperforms the LEACH protocol. However, in the LEACH-PSO protocol, the sensor node dies earlier than in the LEACH protocol.
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