A user equipment, comprising: a carrier configuration module, configured to: receive configuration information that is of a secondary component carrier and sent by a base station, and configure the secondary component carrier according to the configuration information, wherein the secondary component carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is a frequency band granted to at least two operators for sharing; a first control module, configured to: after receiving a first activation command sent by the base station, activate the secondary component carrier configured by the carrier configuration module to obtain an activated secondary component carrier, and control to enable a radio frequency, RF, module of the user equipment; a time determining module, configured to: receive use right control information that is of the activated secondary component carrier and sent by the base station, and determine an available time of the activated secondary component carrier according to the use right control information, wherein the time determining module comprises: a first information receiving submodule, configured to receive a second activation command and a second deactivation command sent by the base station in sequence; and a first time determining submodule, configured to determine an interval time between receiving the second activation command and receiving the second deactivation command by the first information receiving submodule as the available time of the activated secondary component carrier; and a second control module, configured to: perform an operation related to the activated secondary component carrier within the available time determined by the time determining module, and stop performing the operation related to the activated secondary component carrier after the available time determined by the time determining module is reached. a carrier configuration module, configured to: receive configuration information that is of a secondary component carrier and sent by a base station, and configure the secondary component carrier according to the configuration information, wherein the secondary component carrier is a carrier resource in an unlicensed frequency band or a shared frequency band, and the shared frequency band is a frequency band granted to at least two operators for sharing; a first control module, configured to: after receiving a first activation command sent by the base station, activate the secondary component carrier configured by the carrier configuration module to obtain an activated secondary component carrier, and control to enable a radio frequency, RF, module of the user equipment; a time determining module, configured to: receive use right control information that is of the activated secondary component carrier and sent by the base station, and determine an available time of the activated secondary component carrier according to the use right control information, wherein the time determining module comprises: a first information receiving submodule, configured to receive a second activation command and a second deactivation command sent by the base station in sequence; and a first time determining submodule, configured to determine an interval time between receiving the second activation command and receiving the second deactivation command by the first information receiving submodule as the available time of the activated secondary component carrier; and a second control module, configured to: perform an operation related to the activated secondary component carrier within the available time determined by the time determining module, and stop performing the operation related to the activated secondary component carrier after the available time determined by the time determining module is reached. a first information receiving submodule, configured to receive a second activation command and a second deactivation command sent by the base station in sequence; and a first time determining submodule, configured to determine an interval time between receiving the second activation command and receiving the second deactivation command by the first information receiving submodule as the available time of the activated secondary component carrier; and a second control module, configured to: perform an operation related to the activated secondary component carrier within the available time determined by the time determining module, and stop performing the operation related to the activated secondary component carrier after the available time determined by the time determining module is reached.