Locating method of wireless sensor network based on RSSI (Received Signal Strength Indicator)
A wireless sensor and positioning method technology, applied in network topology, wireless communication, transmission monitoring, etc., can solve problems such as being susceptible to environmental interference, affecting positioning accuracy, and unsatisfactory positioning accuracy
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[0028] This embodiment includes the following steps:
[0029] Step 1: Establish a Cartesian coordinate system to obtain the position information of each anchor node in the wireless sensor network, and measure the RSSI values of the anchor node and the node to be tested respectively, and estimate the obtained RSSI value to obtain the node to be tested and each node to be tested. The distance information of the anchor node.
[0030] The estimation process described is:
[0031] r j = r 0 e p j - p 0 10 n ,
[0032] where: r j is the distance between the node to be tested and the jth anchor node, p j is the RSSI value of the jth anchor node, n is the ch...
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