US 11,876,640 B2
User station for a serial bus system, and method for transferring data with manipulation protection in a serial bus system
Anouar Sakout, Sindelfingen (DE); Horst Fuhrmann, Steinheim (DE); and Thomas Lorenz, Weinstadt (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 17/288,326
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Oct. 23, 2019, PCT No. PCT/EP2019/078799
§ 371(c)(1), (2) Date Apr. 23, 2021,
PCT Pub. No. WO2020/083960, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. 102018218387.2 (DE), filed on Oct. 26, 2018.
Prior Publication US 2021/0377075 A1, Dec. 2, 2021
Int. Cl. H04L 12/40 (2006.01)
CPC H04L 12/40104 (2013.01) [H04L 12/40013 (2013.01); H04L 12/40084 (2013.01); H04L 2012/40215 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A user station for a serial bus system, comprising:
a communication control device configured to create messages which are to be transmitted serially via a bus line to at least one other user station of the bus system, and/or to read the messages which have been received serially from the bus line, the communication control device being configured to use a predetermined communication rule to create and/or read the messages, and the communication control device, for creating and/or reading the messages, being configured to use, when a predetermined trigger occurs, at least one rule for creating and/or reading the messages, which is different from the predetermined communication rule;
wherein the communication control device is configured to create and/or to read at least one first message and one second message, in each of which, according to the predetermined communication rule, fields are situated in succession which differ in their function with regard to a communication in the bus system, the communication control device being configured to exchange, according to the different rule, at least a portion of a field of the first message with a portion of a field of the second message.