A base station (101, 102, 103) for a wireless communication system, the base station (101, 102, 103) comprising: at least one antenna (405a-405n) configured to communicate with a user equipment, UE; and a processing circuitry (415, 420) configured to: transmit downlink control information through downlink control channel, wherein the downlink control information includes a configuration of a downlink, DL-uplink, UL, pattern related to a DL resource and a UL resource and a configuration of a channel occupancy duration for an unlicensed carrier; and receive, from the UE, an uplink signal through at least one UL resource in the unlicensed carrier, based on the configuration of the DL-UL pattern and the configuration of the channel occupancy duration for the unlicensed carrier, wherein the uplink signal comprises at least one of uplink data or uplink control information, wherein the downlink control information is transmitted with cyclic redundancy check, CRC, of the UE common signaling scrambled with a radio network temporary identifier, RNTI, using a UE-common channel, and wherein the DL-UL pattern includes at least one of a pattern related to only DL resources, a pattern related to only UL resources, or a pattern related to a same number of DL resources and UL resources. at least one antenna (405a-405n) configured to communicate with a user equipment, UE; and a processing circuitry (415, 420) configured to: transmit downlink control information through downlink control channel, wherein the downlink control information includes a configuration of a downlink, DL-uplink, UL, pattern related to a DL resource and a UL resource and a configuration of a channel occupancy duration for an unlicensed carrier; and receive, from the UE, an uplink signal through at least one UL resource in the unlicensed carrier, based on the configuration of the DL-UL pattern and the configuration of the channel occupancy duration for the unlicensed carrier, wherein the uplink signal comprises at least one of uplink data or uplink control information, wherein the downlink control information is transmitted with cyclic redundancy check, CRC, of the UE common signaling scrambled with a radio network temporary identifier, RNTI, using a UE-common channel, and wherein the DL-UL pattern includes at least one of a pattern related to only DL resources, a pattern related to only UL resources, or a pattern related to a same number of DL resources and UL resources. transmit downlink control information through downlink control channel, wherein the downlink control information includes a configuration of a downlink, DL-uplink, UL, pattern related to a DL resource and a UL resource and a configuration of a channel occupancy duration for an unlicensed carrier; and receive, from the UE, an uplink signal through at least one UL resource in the unlicensed carrier, based on the configuration of the DL-UL pattern and the configuration of the channel occupancy duration for the unlicensed carrier, wherein the uplink signal comprises at least one of uplink data or uplink control information, wherein the downlink control information is transmitted with cyclic redundancy check, CRC, of the UE common signaling scrambled with a radio network temporary identifier, RNTI, using a UE-common channel, and wherein the DL-UL pattern includes at least one of a pattern related to only DL resources, a pattern related to only UL resources, or a pattern related to a same number of DL resources and UL resources.