METHOD FOR MONITORING A NETWORK

A method for monitoring operation of a controller area network (CAN) comprising a plurality of nodes. The method comprises measuring a voltage associated with a CAN message transmitted on the network, determining a message signature in dependence on the measured voltage, and comparing the message si...

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Bibliographic Details
Main Authors Quigley, Christopher Patrick, Charles, David Stewart Roy
Format Patent
LanguageEnglish
Published 15.09.2022
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A method for monitoring operation of a controller area network (CAN) comprising a plurality of nodes. The method comprises measuring a voltage associated with a CAN message transmitted on the network, determining a message signature in dependence on the measured voltage, and comparing the message signature with a node signature to determine the authenticity of the CAN message. One or more actions may be taken in dependence on the determined authenticity.
Bibliography:Application Number: US202117197849