A clustering method and system for sensor nodes
A technology of sensor nodes and wireless sensors, which is applied in the clustering method and system field of sensor nodes, can solve the problems such as the inability to guarantee the aggregation efficiency in clustering, and achieve the effects of improving energy efficiency, saving network energy, and ensuring high efficiency
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Embodiment 1
[0035] This embodiment provides a sensor node clustering method, which is applied to a wireless sensor network including a base station and several randomly distributed sensor nodes. The sensor node clustering method described in this embodiment is based on the sensing data between sensor nodes For local correlation and geographic location information of sensor nodes, see figure 1 , is shown as a flow chart of the sensor node clustering method, and the clustering method of the sensor node includes:
[0036] S1, collecting n groups of sensing data as training data; wherein, n is greater than or equal to 2. n is at least 2, and the more groups of sensory data collected, the higher the accuracy.
[0037] S2, use a data mining algorithm to extract the local correlation information in the training data for n groups of training data, and generate initial clustering information C={c according to the local correlation information in the training data 1 , c 2 ,...,c m}; where c 1 ...
Embodiment 2
[0051] This embodiment provides a sensor node clustering system 1, which is applied to a wireless sensor network including a base station and several randomly distributed sensor nodes. Please refer to figure 2 , showing a schematic structural diagram of a sensor node clustering system, the sensor node clustering system includes an acquisition module 11 , an extraction module 12 , a clustering module 13 , and a selection module 14 . Such as figure 1 Said, the collection module 11 is located in the sensing area including several randomly distributed sensor nodes, and the extraction module 12, the clustering module 13, and the selection module 14 are located at the base station side.
[0052] The collection module 11 is used to collect n groups of sensing data as training data; wherein, n is greater than or equal to 2. n is at least 2, and the more groups of sensory data collected, the higher the accuracy.
[0053] The extraction module 12 connected with the collection module ...
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