G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 5/14 (2006.01) B61L 25/02 (2006.01) G01S 5/00 (2006.01) G08G 1/127 (2006.01) H04B 7/185 (2006.01) H04L 12/28 (2006.01)
Patent
CA 2176882
A mode of communication for asset tracking units involves communication between a central station and the individual tracking units, usually through a satellite link. This mode is the primary communication link for tracking the assets. A second mode is the local area network (LAN) or "mutter" mode, in which a subset of tracking units communicate with each other in a mobile LAN. This mode is used as the secondary communication mechanism to conserve power, since mutter mode communication requires much less energy for local communication between the tracking units as opposed to direct satellite communication with the central station. In addition, mutter mode leads to increased reliability of the asset tracking system by enabling tracking of units which have batteries too weak to support communication with the central station, but strong enough to support communication in mutter mode. The mutter mode is also useful in finding tracking units which are not communicating with the central station due primary communication equipment fault or other inhibiting condition.
Ali Irfan
Chennakeshu Sandeep
Hassan Amer Aref
Hershey John Erik
Hladik Stephen Michael
Company General Electric
Craig Wilson And Company
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