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METHOD AND APPARATUS FOR USING A REMOTE DISTRIBUTED POWER LOCOMOTIVE AS A REPEATER IN THE COMMUNICATIONS LINK BETWEEN A HEAD-OF-TRAIN DEVICE AND AN END-OF-TRAIN DEVICE

  • US 20100130124A1
  • Filed: 11/23/2008
  • Published: 05/27/2010
  • Est. Priority Date: 11/23/2008
  • Status: Abandoned Application
First Claim
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1. A method for communicating messages between an HOT device in a lead locomotive and an EOT device at an end-of-train position of a railroad train, the railroad train further comprising a remote locomotive between the lead locomotive and the EOT device, the method comprising:

  • tuning a DP transceiver onboard the remote locomotive to a frequency of an HOT/EOT communications channel;

    transmitting a message from the EOT device intended for the HOT device or a message from the HOT device intended for the EOT device;

    receiving the message at the DP transceiver;

    if the message was transmitted from the EOT device;

    transmitting the message from the DP transceiver to the HOT device; and

    receiving and executing the message at the HOT device; and

    if the message was transmitted from the HOT device;

    transmitting the message from the DP transceiver to the EOT device; and

    receiving and executing the message at the EOT device.

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