Method and system for wireless locomotive remote control using implicit message sequence numbering

A method for providing wireless communications between a locomotive control unit (LCU) (14) on board a locomotive (16) and a portable operator control unit (OCU) (12) for use in controlling operation of the locomotive from an off-board location includes calculating a transmit bit error check value f...

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Bibliographic Details
Main Authors WHEELER, MARK, WAYNE, HREBEK, GREGORY, PAUL
Format Patent
LanguageEnglish
French
German
Published 24.03.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ENSURING THE SAFETY OF RAILWAY TRAFFIC
GUIDING RAILWAY TRAFFIC
PERFORMING OPERATIONS
PHYSICS
RAILWAYS
SIGNALLING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
TRANSPORTING
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Summary:A method for providing wireless communications between a locomotive control unit (LCU) (14) on board a locomotive (16) and a portable operator control unit (OCU) (12) for use in controlling operation of the locomotive from an off-board location includes calculating a transmit bit error check value for a wireless message. The wireless message includes an explicit sequence number assigned to the message so that the explicit sequence number is implicitly encoded in the transmit bit error check value. The method also includes transmitting an encoded message between the OCU and the LCU with the transmit bit error check value and without the explicit sequence number effective to reduce a total amount information needed to be transmitted compared to a message including the explicit sequence number.
Bibliography:Application Number: EP20070748977