FRAME INVALIDATION IN THE BUS SYSTEM INCLUDING INTRUSION DETECTION SYSTEM

• Main Authors: Kneib, Marcel, Schell, Oleg
• Format: Patent
• Language: English
• Published: 06.10.2022
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

A node device for a bus system, including a transceiver for connecting to a bus of the bus system; a controller connected to the transceiver via a transmit line and via a receive line, the controller and the transceiver designed to transfer data from the controller to the transceiver via the transmit line and transferring data from the transceiver to the controller via the receive line; a processor; and an intrusion detection system; the processor being connected to the transceiver via a controller bypass line and being designed to, via the controller bypass line, intercept an intrusion into the bus system identified by the intrusion detection system, the intrusion detection system being designed to detect an intrusion into the bus system in which a further node of the bus system sends a frame including an identifier assigned to a third node of the bus system to the bus.