Disclosed are user equipment, network side equipment and a DPCCH (Dedicated Physical Control Channel) transmission method, aiming to realize periodic DPCCH transmission in which the transmission time of the network side equipment for DPCCH is known, wherein the method comprises: receiving, through the user equipment, indicating information transmitted by the network side equipment; activating a secondary carrier of DC-HSUPA (Dual Cell High Speed Uplink Packet Access) according to the indicating information; obtaining an uplink DTX (Discontinuous Transmission) parameter; and periodically transmitting uplink DPCCH on the secondary carrier of DC-HSUPA according to the indicating information and the uplink DTX parameter.