Wireless sensor network time synchronization method
A wireless sensor and network time technology, applied in the direction of synchronization device, wireless communication, network topology, etc., can solve the problem of low time synchronization accuracy of wireless sensor network, and achieve the effects of accurate time difference, high time synchronization accuracy, and accurate time synchronization method
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[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples.
[0033] figure 1 It is a flow chart of the method of the present invention. As can be seen from this figure, the present invention includes three stages, such as coarse correction operation, fine correction operation and delay stage, wherein the coarse correction operation is the first stage, the fine correction operation is the second stage, and the two stages The interval time is recorded as N;
[0034] figure 2 It is a system structure diagram of the present invention. figure 2 Node A is the reference node, node B is the node to be synchronized and the time comparator is included in the node B to be synchronized, nodes A and B have separate timing clocks, wherein the timing clock of node A is the reference clock, and the timi...
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