Patent ID: 11968107
Assignee: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The method according to claim 1, wherein:
the communication network further comprises a second ECU having a third slave clock, a gateway ECU comprising the validator, and a second communication bus connecting the second ECU via the gateway ECU and the first communication bus to the first ECU,
the second ECU uses a second communication standard having a higher safety integrity level than the first communication standard used by the first ECU,
an integrity of the master clock according to the validator is sufficient to fulfill safety requirements of the second communication standard having the higher safety integrity level than the first communication standard, and
the validator determines the correctness of the actually received timestamp provided by the first ECU according to the safety requirements of the second communication standard.