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US 12,614,436 B2Granted
LoRaWAN mesh gateway network and method for locating a forest fire
OwnerCarsten Brinkschulte, Daniel Hollosinventors
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Abstract
The invention relates to a LoRaWAN mesh gateway network having a network server, a plurality of first gateways, a second gateway and a plurality of terminal devices, wherein a terminal device comprises a sensor unit, a logic unit, a communication unit and a timekeeper, wherein the logic unit is intended for this purpose and suitable for evaluating the signals recorded by the sensor unit and the time measured by the timekeeper, as well as to a method for locating a forest fire.
Claims13
A method for locating a forest fire having the method steps of
- detecting a first signal from a source with a first sensor unit of a first terminal device,
- recording the time of detection of the first signal,
- detecting a second signal from a source with a second sensor unit of a second terminal device
- recording the time of detection of the second signal, and
- determining a position from the detected signals and the recorded times of detection of the detected signals,
- wherein the first and the second sensor unit have different positions, wherein the first sensor unit is part of a terminal device of a LoRaWAN with several terminal devices, several gateways, wherein the position of the terminal device has been determined when installing the terminal device.
3 more elements
Dependencies are inferred from the claim text.