A method for transmitting an uplink control signal in a single uplink carrier of a wireless communication system, comprising: determining, by a terminal, a plurality of time-frequency resources for transmitting the uplink control signal in a time-domain scheduling unit; and transmitting, by the terminal, the uplink control signal to a network device on the plurality of time-frequency resources, the uplink control signal being transmitted by use of a Cyclic Prefix-Orthogonal Frequency Division Multiplexing, CP-OFDM, waveform; wherein the uplink control signal at least comprises uplink control signals of three different types: Acknowledgement, ACK, / Negative Acknowledgement, NACK, Channel State Information, CSI, feedback and reference signal; wherein the time-domain scheduling unit comprises different physical resource regions used to transmit the uplink control signals of different types, and the plurality of time-frequency resources for transmitting the uplink control signals in the time-domain scheduling unit are arranged into one or more of the different physical resource regions; the one or more physical resource regions comprise a first physical resource region for transmitting the uplink control signals of the type ACK/NACK and a second physical resource region for transmitting uplink control signals of the type CSI feedback; charactensed in that time-frequency resources for transmitting the uplink control signals of the type reference signal are configured into multiple resource groups, wherein the multiple resource group are allocated in one of the first physical resource region or the second physical resource region of the time-domain scheduling unit; wherein each resource group occupies one or more continuous OFDM symbols, the multiple resource groups are non-contiguously allocated in time domain of the time-domain scheduling unit, and the time-domain scheduling unit is a slot. determining, by a terminal, a plurality of time-frequency resources for transmitting the uplink control signal in a time-domain scheduling unit; and transmitting, by the terminal, the uplink control signal to a network device on the plurality of time-frequency resources, the uplink control signal being transmitted by use of a Cyclic Prefix-Orthogonal Frequency Division Multiplexing, CP-OFDM, waveform; wherein the uplink control signal at least comprises uplink control signals of three different types: Acknowledgement, ACK, / Negative Acknowledgement, NACK, Channel State Information, CSI, feedback and reference signal; wherein the time-domain scheduling unit comprises different physical resource regions used to transmit the uplink control signals of different types, and the plurality of time-frequency resources for transmitting the uplink control signals in the time-domain scheduling unit are arranged into one or more of the different physical resource regions; the one or more physical resource regions comprise a first physical resource region for transmitting the uplink control signals of the type ACK/NACK and a second physical resource region for transmitting uplink control signals of the type CSI feedback; charactensed in that time-frequency resources for transmitting the uplink control signals of the type reference signal are configured into multiple resource groups, wherein the multiple resource group are allocated in one of the first physical resource region or the second physical resource region of the time-domain scheduling unit; wherein each resource group occupies one or more continuous OFDM symbols, the multiple resource groups are non-contiguously allocated in time domain of the time-domain scheduling unit, and the time-domain scheduling unit is a slot.