The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 04, 2022

Filed:

Aug. 07, 2019
Applicant:

Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;

Inventors:

Florian Bogenberger, Poing, DE;

Emily Hudoletnjak, Munich, DE;

Alexander Maier, Langenbach, DE;

Max Turner, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/06 (2006.01); G06F 1/12 (2006.01); G06F 1/14 (2006.01); H04L 12/751 (2013.01); H04L 12/727 (2013.01);
U.S. Cl.
CPC ...
H04J 3/0667 (2013.01); G06F 1/12 (2013.01); G06F 1/14 (2013.01); H04J 3/0641 (2013.01); H04L 45/02 (2013.01); H04L 45/121 (2013.01);
Abstract

A method for validating a time function in a network of a vehicle includes: ascertaining a receiving time of a sync message of a master; receiving a follow-up message of the master; ascertaining a receiving time of a further sync message of the master; receiving a further follow-up message of the master; determining a time function of the first client based on the receiving time of the sync message, the receiving time of the further sync message, the transmission time of the follow-up message, and the transmission time of the further follow-up message; ascertaining a synchronized transmission time of a path delay request message from the first client to the master; ascertaining a synchronized receiving time of a path delay response message from the master; receiving a path delay response follow-up message from the master by the first client; and validating a time function of the master.


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