Wireless sensor network positioning method with unknown transmitting power based on hybrid RSS/AOA
A wireless sensor network, transmit power technology, applied in specific environment-based services, wireless communications, radio wave measurement systems, etc., can solve the problems of decreased positioning accuracy, poor positioning performance, low complexity, etc., to suppress measurement noise error, the effect of improving positioning accuracy
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[0028] The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.
[0029] A hybrid RSS / AOA-based wireless sensor network positioning method with unknown transmit power proposed by the present invention, the overall implementation block diagram of which is as follows: figure 1 shown, it includes the following steps:
[0030] Step 1: Deploy a target node with an unknown position and N anchor nodes with known positions in the wireless sensor network, and set the transmission power of the target node to be unknown; and establish a three-dimensional coordinate system in the wireless sensor network as a reference coordinate system, denote the position of the target node in the reference coordinate system as x, and denote the position of the i-th anchor node in the reference coordinate system as a i ; wherein, N is a positive integer, N represents the number of anchor nodes deployed in the wireless sensor network,...
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