METHOD AND DEVICE FOR SETTING AN INTEGRITY PROTECTION UPGRADE APPLICATION TIME FOR SIGNALING CARRIER RBO IN A UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM

摘要

The details of an apparatus and method are disclosed for setting the Uplink RRC message sequence number for a new integrity protection configuration to be applied for signalling radio bearer RB0, on completion of a UTRAN MOBILITY INFORMATION procedure. The sequence number is set to a value such that the next RRC message to be sent on uplink RB0 will use the new integrity protection configuration.