Data collection method of wireless sensor network based on mobile sink
A wireless sensor network and data collection technology, which is applied in the field of data collection of wireless sensor networks, can solve the problems of data loss and other issues, and achieve the effects of reducing data forwarding, saving network energy consumption, and balancing network loads
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[0023] The technical solution of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments of the specification. The specific implementation is described as follows:
[0024] First, we randomly select several nodes, the distribution of nodes is as follows figure 1 As shown, according to the delay requirement, we assume that the longest moving distance of the sink is l max =15, the white nodes in the figure are ordinary nodes, and the black nodes are the stay points of the mobile sink.
[0025] A data collection method for a wireless sensor network based on a mobile sink, which specifically includes the following steps: Figure 4 Shown:
[0026] Step 1: The set of all nodes is V={v 1 ,v 2 ,v 3 ,v 4 ,v 5 ,v 6 ,v 7 ,v 8 ,v 9 ,v 10 ,v 11 ,v 12 },Such as figure 1 , The initial stay point candidate set C=V, assuming that the initial stay position of the sink is s 0 , The initial stay point set is M={s 0 }, according to the d...
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