Patent ID: 11902300
Assignee: AUDI AG
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for monitoring a data transmission system comprising a transmitting device for transmitting messages, a receiving device for receiving the messages, a data transmission means for transmitting the messages and a monitoring device, wherein the data transmission means comprise a vehicle bus or a vehicle network of a motor vehicle, the method comprising:
transmitting, by the monitoring device, a request message to the transmitting device and to the receiving device;
transmitting, by the transmitting device, a transmitter message via the data transmission means;
generating, by the transmitting device, a transmitter response based on the request message and the transmitter message;
transmitting, by the transmitting device, the transmitter response to the monitoring device;
receiving, by the receiving device, a receiver message via the data transmission means;
generating, by the receiving device, a receiver response based on the request message and the receiver message;
transmitting, by the receiving device, the receiver response to the monitoring device;
receiving, by the monitoring device, the transmitter response and the receiver response; and
determining, by the monitoring device, compliance with a trigger condition based on the transmitter response and the receiver response, wherein the compliance indicates a monitoring event.