Fire monitoring network positioning method based on RSSI ranging
A technology for monitoring networks and positioning methods, which is applied to services based on location information, network topology, wireless communication, etc. Monitoring and positioning, reducing positioning overhead, and the effect of small communication overhead
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[0048] The present invention will be further described below in conjunction with embodiment.
[0049] The invention provides a fire monitoring network positioning method based on RSSI ranging, comprising the following steps:
[0050] Step 1: In the forest environment where the fire monitoring system is used, trees of various varieties and sizes and other facilities are densely distributed and unevenly distributed. RF signal modeling gets complicated. Since the monitoring node itself has communication capabilities, it can complete the measurement of RSSI while receiving wireless data, and the network does not need to add additional hardware; therefore, in the forest environment of fire monitoring with limited power consumption and cost, it is more appropriate to use the logarithmic distance path loss model , set up the logarithmic distance path loss model according to formula (1), to obtain the RSSI value expression;
[0051]
[0052] In the formula, n is the path loss ind...
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