Patent ID: 11889373
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. The wireless device of claim 9, wherein the wireless device is configured to determine of the updated version of the one or more parameters of the first set of parameters by converting the one or more parameters of the first set of parameters to a format corresponding to the format of the one or more parameters of the second RAT by performing one or more out of:
mapping, recalculating or truncating the one or more parameters of the first set of parameters to a shortened bit string when the first RAT is 5G New Radio, NR, technology and the second RAT is Long Term Evolution, LTE, technology, and
mapping, recalculating or padding the one or more parameters of the first set of parameters to an extended bit string when the first RAT is LTE and the second RAT is NR; and
wherein the wireless device is configured to determine the security token by using the converted one or more parameters of the first set of parameters in one or more variables defined in the second RAT as input in calculation of the security token for the second RAT.