Patent ID: 11889448
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: nan (nan)
Classification: CPC nan | IPC H

Claim 4:
5. A wireless device of a cellular communications system enabled to determine timing advance, TA, validity, the wireless device comprising processing circuitry coupled to a memory, the processing circuitry configured to:
obtain a TA for a cell of the cellular communications system;
determine that none of a predefined set of TA validation mechanisms are configured, wherein:
each TA validation mechanism comprises a TA validation functionality of the wireless device that corresponds to one or more configuration parameters within an information element (IE) transmitted to the wireless device and operates according to the one or more configuration parameters; and
the processing circuitry is configured to determine that none of the predefined set of TA validation mechanisms are configured by being configured to determine, for each TA validation mechanism of the predefined set of TA validation mechanism, that the one or more configuration parameters are absent from the IE or indicate that the TA validation mechanism is not to be performed by the wireless device; and

responsive to determining that none of the predefined set of TA validation mechanisms are configured, determine that the TA is valid for an entirety of the cell.