A system, comprising: a plurality of wayside devices positioned along a train track, the plurality of wayside devices having known positions, each of the plurality of wayside devices comprising at least one first radio-frequency (RF) antenna; a work zone device positioned along the train track, the work zone device comprising at least one second RF antenna configured to transmit RF signals to and/or receive RF signals from the plurality of wayside devices; and at least one processor configured to determine a position of the work zone device using the known positions and using RF signals transmitted between the work zone device and the plurality of wayside devices.
SYSTEMS AND METHODS FOR WORKER SAFETY
2021-02-18
Patent
Electronic Resource
English
Systems, methods, and apparatuses for ensuring worker safety
European Patent Office | 2022
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