A terminal device , comprising a baseband processing module and a radio frequency processing module, wherein the radio frequency processing module controls a plurality of radio frequency channels; characterized in that the baseband processing module is configured to determine, for each of one or more carriers of the terminal device , low power consumption state information of the carrier based on precoding information and duration information of the carrier, wherein the duration information comprises a scheduling slot offset, a scheduling slot number, a start symbol, scheduling duration, data sending start time and/or data sending duration, and wherein the low power consumption state information comprises a target radio frequency channel and a start time and an end time for scheduling the target radio frequency channel; the target radio frequency channel is a radio frequency channel corresponding to an all-zero data sequence in a plurality of data sequences that are mapped to the plurality of radio frequency channels after precoding processing is performed on to-be-sent data of the terminal device based on the precoding information; and the start time and the end time are determined based on the scheduling duration information; the baseband processing module is further configured to send control information to the radio frequency processing module based on the low power consumption state information of each carrier; and the radio frequency processing module is configured to control, based on the control information, one or more of the plurality of radio frequency channels to be in a low power consumption state, wherein the low power consumption state comprises a disabled state or a dormant state. the baseband processing module is configured to determine, for each of one or more carriers of the terminal device , low power consumption state information of the carrier based on precoding information and duration information of the carrier, wherein the duration information comprises a scheduling slot offset, a scheduling slot number, a start symbol, scheduling duration, data sending start time and/or data sending duration, and wherein the low power consumption state information comprises a target radio frequency channel and a start time and an end time for scheduling the target radio frequency channel; the target radio frequency channel is a radio frequency channel corresponding to an all-zero data sequence in a plurality of data sequences that are mapped to the plurality of radio frequency channels after precoding processing is performed on to-be-sent data of the terminal device based on the precoding information; and the start time and the end time are determined based on the scheduling duration information; the baseband processing module is further configured to send control information to the radio frequency processing module based on the low power consumption state information of each carrier; and the radio frequency processing module is configured to control, based on the control information, one or more of the plurality of radio frequency channels to be in a low power consumption state, wherein the low power consumption state comprises a disabled state or a dormant state. <EOS>