Mobile terminal assisted wireless sensor network information acquisition method
A wireless sensor and mobile terminal technology, applied in data exchange networks, transmission systems, digital transmission systems, etc., can solve the problems of difficulty in improving network throughput, delay in information acquisition, and short network survival time, so as to alleviate communication bottlenecks and improve data. Transmission success rate, the effect of increasing network capacity
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[0028]The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] The mobile terminal-assisted wireless sensor network information acquisition method of the present invention includes the following steps:
[0030] Step 1) All nodes in the network are powered on and complete their own initialization. The fixed sink node (SS) broadcasts a self-declaration message (Static Sink Announcement, SS_ANNONCE), and the information included in the message includes: the identifier of the fixed sink node, the identifier of the last hop node, and the number of hops between the last hop node and the sink node. All sensor nodes in the network establish distance gradients to fixed sink nodes by spreading SS_ANNOUNCE messages. This process can be broken down into the following two parts:
[0031] a. The fixed sink node broadcasts the SS_ANNOUNCE message, the last hop node identifier of the message is set as its own ID, and the h...
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