CPC H04W 4/33 (2018.02) [G01S 5/0027 (2013.01); G06K 7/10366 (2013.01); H04W 4/029 (2018.02); G06Q 50/28 (2013.01)] | 24 Claims |
1. A method in a tracking device mounted on an asset, the method comprising:
receiving, from a management server, one or more pressure measurement thresholds;
monitoring pressure measurements of the asset;
based on the pressure measurements, entering a non-passive mode of operation;
operating in the non-passive mode of operation, wherein operating in the non-passive mode of operation includes:
obtaining first current location data at a first time;
determining whether the first current location data is different from previously transmitted location data;
transmitting sensor measurements of the asset, including the first current location data, to the management server in response to determining that the first current location data is different from the previously transmitted location data;
storing the first current location data as latest transmitted location data;
obtaining second current location data at a second time that comes after the first time;
determining whether the second current location data is different from the latest transmitted location data; and
refraining from transmitting the second current location data to the management server in response to determining that the second current location data is not different from the latest transmitted location data;
determining new pressure measurements of the asset;
based on the new pressure measurements, entering a passive mode of operation; and
operating in the passive mode of operation, wherein no data is transmitted to or received from the management server.
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