A method for transmitting, by a user equipment, uplink signals in a wireless communication system, the method comprising: receiving a semi-persistent scheduling, SPS, configuration for a predetermined time duration; and configuring an SPS resource periodically within the predetermined time duration based on the SPS configuration, the method characterized by further comprising: based on an SPS resource being not a last SPS resource among a plurality of SPS resources configured in the predetermined time duration based on the SPS configuration: performing uplink transmission without indication information on the SPS resource which is not the last SPS resource among the plurality of SPS resources; based on an SPS resource being the last SPS resource among the plurality of SPS resources: determining whether the last SPS resource among the plurality of SPS resources is sufficient to accommodate uplink data available for transmission; based on a determination that the last SPS resource is not sufficient to accommodate the uplink data available for transmission: transmitting a medium access control, MAC, protocol data unit, PDU, including the indication information on the last SPS resource; and based on a determination that the last SPS is sufficient to accommodate the uplink data available for transmission: transmitting the MAC PDU without the indication information on the last SPS resource, wherein the indication information informs a base station that there is remaining uplink data at the user equipment after transmission of the MAC PDU on the last SPS resource. receiving a semi-persistent scheduling, SPS, configuration for a predetermined time duration; and configuring an SPS resource periodically within the predetermined time duration based on the SPS configuration, the method characterized by further comprising: based on an SPS resource being not a last SPS resource among a plurality of SPS resources configured in the predetermined time duration based on the SPS configuration: performing uplink transmission without indication information on the SPS resource which is not the last SPS resource among the plurality of SPS resources; based on an SPS resource being the last SPS resource among the plurality of SPS resources: determining whether the last SPS resource among the plurality of SPS resources is sufficient to accommodate uplink data available for transmission; based on a determination that the last SPS resource is not sufficient to accommodate the uplink data available for transmission: transmitting a medium access control, MAC, protocol data unit, PDU, including the indication information on the last SPS resource; and based on a determination that the last SPS is sufficient to accommodate the uplink data available for transmission: transmitting the MAC PDU without the indication information on the last SPS resource, wherein the indication information informs a base station that there is remaining uplink data at the user equipment after transmission of the MAC PDU on the last SPS resource. based on an SPS resource being not a last SPS resource among a plurality of SPS resources configured in the predetermined time duration based on the SPS configuration: performing uplink transmission without indication information on the SPS resource which is not the last SPS resource among the plurality of SPS resources; based on an SPS resource being the last SPS resource among the plurality of SPS resources: determining whether the last SPS resource among the plurality of SPS resources is sufficient to accommodate uplink data available for transmission; based on a determination that the last SPS resource is not sufficient to accommodate the uplink data available for transmission: transmitting a medium access control, MAC, protocol data unit, PDU, including the indication information on the last SPS resource; and based on a determination that the last SPS is sufficient to accommodate the uplink data available for transmission: transmitting the MAC PDU without the indication information on the last SPS resource, wherein the indication information informs a base station that there is remaining uplink data at the user equipment after transmission of the MAC PDU on the last SPS resource. transmitting a medium access control, MAC, protocol data unit, PDU, including the indication information on the last SPS resource; and based on a determination that the last SPS is sufficient to accommodate the uplink data available for transmission: transmitting the MAC PDU without the indication information on the last SPS resource, wherein the indication information informs a base station that there is remaining uplink data at the user equipment after transmission of the MAC PDU on the last SPS resource. transmitting the MAC PDU without the indication information on the last SPS resource, wherein the indication information informs a base station that there is remaining uplink data at the user equipment after transmission of the MAC PDU on the last SPS resource.