US 12,494,981 B2
Method for operating units of a communication network
Adwait Sanjay Kale, Ludwigsburg (DE); Markus Schreiter, Gundelsheim (DE); and Michael Menzel, Ingersheim (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Filed by Robert Bosch GmbH, Stuttgart (DE)
Filed on Nov. 16, 2022, as Appl. No. 18/055,903.
Claims priority of application No. 10 2021 213 076.3 (DE), filed on Nov. 22, 2021.
Prior Publication US 2023/0164051 A1, May 25, 2023
Int. Cl. H04L 43/10 (2022.01); H04W 4/40 (2018.01)
CPC H04L 43/10 (2013.01) [H04W 4/40 (2018.02)] 12 Claims
OG exemplary drawing
 
10. A method for operating a communication network including a sending unit and a receiving unit, to recognize an erroneous transfer of useful data from the sending unit to the receiving unit using the receiving unit, the method comprising:
operating the sending unit including:
receiving at least one value of a variable of a multitude of values of the variable, to be temporally consecutively received, using the sending unit,
ascertaining an adapted value of the variable based on the received value of the variable and an adaptation value, ascertained using an adaptation rule, using the sending unit, the adaptation values for temporally consecutively received values of the variable being different; and
sending a data packet including the useful data, encompassing the ascertained adapted value of the variable, using the sending unit to the receiving unit; and
operating the receiving unit including:
temporally consecutively receiving, using the receiving unit, a multitude of data packets, sent using the sending unit, the data packets encompassing useful data including in each case an adapted value of a variable, the adapted values having been ascertained using the sending unit of the communication network, based on a received value of the variable and an adaptation value ascertained using an adaptation rule, and the adaptation values for values of the variable which were temporally consecutively received using the sending unit being different; and
recognizing an erroneous transfer of the adapted values of the variable, encompassed by the useful data, using the receiving unit, when the values of the variable encompassed by a predefined number of temporally consecutively received data packets differ by less than a predefinable or predefined threshold value, wherein the receiving unit is in a vehicle.