Sensor node locating method and device based on sequences
A technology of sensor nodes and positioning methods, applied in electrical components, wireless communication, network topology, etc., can solve problems such as high network communication overhead, inability to make full use of node position relationships, and inability to make full use of unknown node information to achieve reduction requirements, good robustness, and high matching accuracy
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[0046] Example 1
[0047] A sequence-based sensor node localization method, comprising the following steps:
[0048] Step 1: The sensor node to be located collects the signal strength indication values of multiple beacon nodes within the communication range, and generates a plurality of detection sequences according to the signal strength indication values;
[0049] Step 2: Divide the area according to the coordinate position and communication range of each beacon node, sort the signal strength in each area to obtain multiple signature sequences, and construct a signature sequence table according to the multiple signature sequences;
[0050] Step 3: The multiple detection sequences are respectively matched with the signature sequence table for calculation, and the area with the highest matching degree is taken as the primary to-be-located area where the node to be located is located;
[0051] Step 4: The sensor node to be positioned collects the coordinate position of the b...
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