CPC H04W 36/0079 (2018.08) [H04W 36/0033 (2013.01); H04W 36/0083 (2013.01); H04W 76/18 (2018.02); H04W 76/27 (2018.02); H04W 84/042 (2013.01)] | 6 Claims |
1. A method performed by a User Equipment (UE) for resuming an Radio Resource Control (RRC) connection to a target cell in a wireless communications network, the method comprising:
when the target cell has been found, generating a security token, wherein an input value in a security token generating function of the UE comprises a set of input parameters, which set of input parameters comprises at least a cell identifier of the target cell, wherein the cell identifier of the target cell is selected from a plurality of cell identifiers in system information broadcasted by the target cell and is the cell identifier associated with the first in order of a plurality of Public Land Mobile Network (PLMN) identifiers in the system information broadcasted by the target cell, and wherein the set of input parameters further comprises a Tracking Area Code (TAC) associated to the PLMN or a RAN Area Code (RANAC) associated to the PLMN; and
sending a resuming request to a target network node serving the target cell, which resuming request comprises the security token.
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