Wireless sensor network data transmission method
A network data transmission, wireless sensor technology, applied in the field of sensor network
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[0039] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0040] All nodes in the network wake up and sleep at the same period, and each node aligns the wake-up and sleep plans of other neighbor nodes to the local clock, and uses TW_LENGTH to represent the size of the previously defined acceptance window. Such as figure 2 As shown, for node i, t i ( ) indicates the last time i woke up. Node j is a neighbor of i, calculate t i ( ) and t j (·) interval between offset i (j), offset i (j) is a constant. Based on this constant and the local wake-up schedule, it is possible to calculate when the neighbor was most recently awake.
[0041] This constant offset i The calculation of (j) is based on the interrupt timestamp of the ...
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