Resource allocation method in wireless communication system, data reception method on basis of same and device for same

A method by a terminal in a wireless communication system, the method comprising:

• receiving, from a base station, downlink control information (DCI) including information on a frequency domain resource allocation for a physical downlink shared channel (PDSCH) according to a downlink resource allocation type 0, based on a received configuration, the received configuration being one of a first configuration and a second configuration, wherein the first configuration and the second configuration are associated with the downlink resource allocation type 0, and the received configuration is used for reception of the PDSCH;
• and
• receiving, from the base station, the PDSCH according to the DCI,
• wherein the information on the frequency domain resource allocation indicates one or more resource block groups (RBGs), and an RBG is a set of consecutive virtual resource blocks in the downlink resource allocation type 0,
• wherein a number of the consecutive virtual resource blocks in one RBG is determined by a size of a bandwidth and the received configuration,
• wherein the size of the bandwidth is within one of a plurality of ranges including a first range and a second range,
• wherein, in case that the size of the bandwidth is within the first range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 4 and the number of the consecutive virtual resource blocks in one RBG for a second configuration is 2,
• wherein, in case that the size of the bandwidth is within the second range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 8 and the number of the consecutive virtual resource blocks in one RBG for the second configuration is 4,
• wherein the number of the consecutive virtual resource blocks in one RBG for the first configuration depends on a symbol length of a transmission time interval (TTI),
• wherein, in case that the TTI has a one symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a first set of values,
• wherein, in case that the TTI has a two symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a second set of values,
• wherein, in case that the TTI has a third or four symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a third set of values, and
• wherein, in case that the TTI has a seven symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a fourth set of values.

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

• a transceiver;
• and
• a controller configured to:
• transmit, to the terminal, downlink control information (DCI) including information on a frequency domain resource allocation for a physical downlink shared channel (PDSCH) according to a downlink resource allocation type 0, based on a transmitted configuration, the transmitted configuration being one of a first configuration and a second configuration, wherein the first configuration and the second configuration are associated with the downlink resource allocation type 0, and the transmitted configuration is used for transmission of the PDSCH, and
• transmit, to the terminal, the PDSCH according to the DCI,
• wherein the information on the frequency domain resource allocation indicates one or more resource block groups (RBGs), and an RBG is a set of consecutive virtual resource blocks in the downlink resource allocation type 0,
• wherein a number of the consecutive virtual resource blocks in one RBG is determined by a size of a bandwidth and the transmitted configuration,
• wherein the size of the bandwidth is within one of a plurality of ranges including a first range and a second range,
• wherein, in case that the size of the bandwidth is within the first range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 4 and the number of the consecutive virtual resource blocks in one RBG for the second configuration is 2,
• wherein, in case that the size of the bandwidth is within the second range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 8 and the number of the consecutive virtual resource blocks in one RBG for the second configuration is 4,
• wherein the number of the consecutive virtual resource blocks in one RBG for the first configuration depends on a symbol length of a transmission time interval (TTI),
• wherein, in case that the TTI has a one symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a first set of values,
• wherein, in case that the TTI has a two symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a second set of values,
• wherein, in case that the TTI has a third or four symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a third set of values, and
• wherein, in case that the TTI has a seven symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a fourth set of values.

A terminal in a wireless communication system, the terminal comprising:

• a transceiver;
• and
• a controller configured to:
• receive, from a base station, downlink control information (DCI) including information on a frequency domain resource allocation for a physical downlink shared channel (PDSCH) according to a downlink resource allocation type 0, based on a received configuration, the received configuration being one of a first configuration and a second configuration, wherein the first configuration and the second configuration are associated with the downlink resource allocation type 0, and the received configuration is used for reception of the PDSCH, and
• receive, from the base station, the PDSCH according to the DCI,
• wherein the information on the frequency domain resource allocation indicates one or more resource block groups (RBGs), and an RBG is a set of consecutive virtual resource blocks in the downlink resource allocation type 0,
• wherein a number of the consecutive virtual resource blocks in one RBG is determined by a size of a bandwidth and the received configuration,
• wherein the size of the bandwidth is within one of a plurality of ranges including a first range and a second range,
• wherein, in case that the size of the bandwidth is within the first range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 4 and the number of the consecutive virtual resource blocks in one RBG for the second configuration is 2,
• wherein, in case that the size of the bandwidth is within the second range, the number of the consecutive virtual resource blocks in one RBG for the first configuration is 8 and the number of the consecutive virtual resource blocks in one RBG for the second configuration is 4,
• wherein the number of the consecutive virtual resource blocks in one RBG for the first configuration depends on a symbol length of a transmission time interval (TTI),
• wherein, in case that the TTI has a one symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a first set of values,
• wherein, in case that the TTI has a two symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a second set of values,
• wherein, in case that the TTI has a third or four symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a third set of values, and
• wherein, in case that the TTI has a seven symbol length, the number of the consecutive virtual resource blocks in one RBG is based on a fourth set of values.