Method and apparatus for transmitting or receiving downlink control information in wireless communication system

A user equipment (UE) in a wireless communication system, the UE comprising:

• a transceiver;
• and
• a processor configured to:
• receive, through the transceiver from a base station, information on a downlink control information (DCI) format for scheduling one physical downlink shared channel (PDSCH) in one cell or multiple PDSCHs in multiple cells;
• receive, through the transceiver, data on the one PDSCH of the one cell in case that the DCI format schedules the one PDSCH of the one cell;
• and
• receive, through the transceiver, data on the multiple PDSCHs of the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein an indicator included in the DCI format indicates scheduled cells corresponding to the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein a bandwidth part (BWP) indicator included in the DCI format is applicable to the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, the BWP indicator corresponding to an ascending order of a BWP identifier,
• wherein a rate matching indicator (RMI) included in the DCI format indicates a rate matching value to be used on active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, and
• wherein a zero power channel state information-reference signal (ZP CSI-RS) trigger indicator included in the DCI format indicates a CSI-RS value to be used on the active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells.

A method performed by a base station in a wireless communication system, the method comprising:

• transmitting, to a user equipment (UE), information on a downlink control information (DCI) format for scheduling one physical downlink shared channel (PDSCH) in one cell or multiple PDSCHs in multiple cells;
• transmitting data on the one PDSCH of the one cell in case that the DCI format schedules the one PDSCH of the one cell;
• and
• transmitting data on the multiple PDSCHs of the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein an indicator included in the DCI format indicates scheduled cells corresponding to the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein a bandwidth part (BWP) indicator included in the DCI format is applicable to the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, the BWP indicator corresponding to an ascending order of a BWP identifier,
• wherein a rate matching indicator (RMI) included in the DCI format indicates a rate matching value to be used on active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, and
• wherein a zero power channel state information-reference signal (ZP CSI-RS) trigger indicator included in the DCI format indicates a CSI-RS value to be used on the active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells.

A base station in a wireless communication system, the base station comprising:

• a transceiver;
• and
• a processor configured to:
• transmit, to a user equipment (UE) through the transceiver, information on a downlink control information (DCI) format for scheduling one physical downlink shared channel (PDSCH) in one cell or multiple PDSCHs in multiple cells;
• transmit, through the transceiver, data on the one PDSCH of the one cell in case that the DCI format schedules the one PDSCH of the one cell;
• and
• transmit, through the transceiver, data on the multiple PDSCHs of the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein an indicator included in the DCI format indicates scheduled cells corresponding to the multiple cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells,
• wherein a bandwidth part (BWP) indicator included in the DCI format is applicable to the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, the BWP indicator corresponding to an ascending order of a BWP identifier,
• wherein a rate matching indicator (RMI) included in the DCI format indicates a rate matching value to be used on active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells, and
• wherein a zero power channel state information-reference signal (ZP CSI-RS) trigger indicator included in the DCI format indicates a CSI-RS value to be used on the active BWPs of the scheduled cells in case that the DCI format schedules the multiple PDSCHs of the multiple cells.