The node energy, storage space, and computation ability are limited, so energy saving is the primary goal in the design of wireless routing. The traditional wireless routing cannot be directly applied to the WSN, so WSN routing protocol research has important practical significance. The improved LEACH protocol means to make each nodes energy utilization more equalized to extend the total amount of data and network survival time. To improve the performance of the whole network is a crucial principle for the research of WSN according to a specific application in the future.
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