Method and system for wireless locomotive remote control...

B - Operations – Transporting – 61 – L

Patent

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B61L 3/12 (2006.01) H04L 29/06 (2006.01) G08C 17/02 (2006.01)

Patent

CA 2641005

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.

La présente invention concerne un procédé de réalisation de communications sans fil entre une unité de commande de locomotive (LCU) (14) située à bord d'une locomotive (16) et une unité portable de commande d'opérateur (OCU) (12) pour une utilisation dans la commande de la locomotive à partir d'un emplacement non embarqué, qui comprend le calcul d'une valeur de vérification d'erreur binaire pour un message sans fil. Le message sans fil comprend un numéro de séquence explicite affecté au message de telle manière que le numéro de séquence explicite est implicitement codé dans la valeur de vérification d'erreur binaire. Le procédé comprend également la transmission d'un message codé entre l'OCU et la LCU avec la valeur de vérification d'erreur binaire transmise et sans le numéro de séquence explicite efficace dans la réduction d'une quantité totale d'informations à transmettre par rapport à un message contenant le numéro de séquence explicite.

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