CPC H04Q 9/00 (2013.01) [H04Q 2209/40 (2013.01); H04Q 2209/88 (2013.01)] | 7 Claims |
1. A system comprising:
a plurality of devices buried in a movable ground region of a mine, each of which comprises:
one or more sensors configured to sense one or more parameters useful in determining movement and/or the potential for movement in a movable ground region of a mine and output the one or more parameters as sensor data;
a radio transmitter configured to transmit sensor data to another of the plurality of devices;
a radio receiver configured to receive sensor data from another of the plurality of devices;
a power source configured to power the radio transmitter and the radio receiver; and
a housing configured to protect the power source, the radio transmitter and the radio receiver, and enclose or be integral with the one or more sensors,
wherein:
the plurality of devices form a mesh network across which sensor data is propagated via the radio transmitters and the radio receivers; and
a device of the plurality of devices is configured to transmit sensor data to another of the plurality of devices when there is a change, or an appreciable change in sensor data compared to an earlier time point.
|