Uplink synchronization method and user equipment

摘要: It is presented a method, performed in user equipment, UE. The method comprises the steps of: saving timing advance, TA, value when TA timer associated with expires, indicating UE should start its uplink, UL, transmission before nominal time given by of download, DL, signal received UE; and receives command from an evolved Node B, containing update for expired timer, starting that timer. A corresponding presented.