ULTRA-WIDEBAND WORK TRAIN PROTECTION
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United States of America Patent
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Issued Date -
Aug 5, 2021
app pub date -
Jan 31, 2020
filing date -
Jan 31, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Systems for protecting a work train using an ultra-wideband (UWB) ranging system are disclosed. Aspects include a plurality of UWB wayside beacons disposed along a track, each of the plurality of UWB beacons configured to broadcast a unique beacon identification number. Aspects also include an onboard UWB control system disposed on a work train, the onboard UWB control system having a processing system in communication with radio-frequency communication device and an onboard UWB beacon. The onboard UWB beacon is configured to receive the unique beacon identification number from at least one of the plurality of UWB wayside beacons. The processing system is configured to determine a position of the work train on the track based upon known locations of the plurality of UWB wayside beacons, to transmit this position to a wayside Zone Controller, and to enforce a movement authority limit provided by the wayside zone controller.
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