Method and apparatus for receiving or transmitting downlink signal in wireless communication system
According to one embodiment of the present invention, a method of decoding, by a user equipment, a downlink signal in a wireless communication system comprises the steps of: receiving rate matching pattern information indicating a rate matching resource having a repetition period from a base station; and decoding a downlink shared channel using the rate matching pattern information.
1. A method for receiving a physical downlink shared channel (PDSCH) by a user equipment (UE) in a wireless communication system, the method comprising:
receiving, from a base station (BS), resource configuration information on resources not to be used for a PDSCH; and
receiving, from the BS, the PDSCH based on the resource configuration information,
wherein the resource configuration information includes a first bitmap, a second bitmap and, time unit pattern based on a period,
wherein the first bitmap represents configuration of frequency region for the resources not to be used for the PDSCH and the second bitmap represents configuration of time region for the resources not to be used for the PDSCH, and
wherein the time unit pattern represents one or more time units for the resources not to be used for the PDSCH, among a plurality of time units in the period, the one or more time units are a time unit in which resource configuration represented by the first and the second bitmap is used.
2. The method of claim 1 , wherein the time unit pattern is repeated based on the period.
3. The method of claim 1 , wherein each of the one or more time units is related to a unit of a duration for the second bitmap.
4. The method of claim 1 , wherein the second bitmap represents each of consecutive symbols within a predetermined resource unit.
5. The method of claim 1 , wherein the resource configuration information is used for a resource region configured based on a signal including information on a starting symbol of the PDSCH or an ending symbol of the PDSCH.
6. The method of claim 1 , further comprising:
performing rate matching on the resources not to be used for the PDSCH.
7. A method for transmitting a physical downlink shared channel (PDSCH) by a base station (BS) in a wireless communication system, the method comprising:
transmitting, to a user equipment (UE), resource configuration information on resources not to be used for a PDSCH;
mapping the PDSCH based on the resource configuration information; and
transmitting, to the UE, the PDSCH,
wherein the resource configuration information includes a first bitmap, a second bitmap and, time unit pattern based on a period,
wherein the first bitmap represents configuration of frequency region for the resources not to be used for the PDSCH and the second bitmap represents configuration of time region for the resources not to be used for the PDSCH, and
wherein the time unit pattern represents one or more time units for the resources not to be used for the PDSCH, among a plurality of time units in the period, the one or more time units are a time unit in which resource configuration represented by the first and the second bitmap is used.
8. The method of claim 7 , wherein the time unit pattern is repeated based on the period.
9. The method of claim 7 , wherein each of the one or more time units is related to a unit of a duration for the second bitmap.
10. The method of claim 7 , wherein the second bitmap represents each of consecutive symbols within a predetermined resource unit.
11. The method of claim 7 , wherein the resource configuration information is used for a resource region configured based on a signal including information on a starting symbol of the PDSCH or an ending symbol of the PDSCH.
12. The method of claim 7 , wherein rate matching is performed on the resources not to be used for the PDSCH.
13. A user equipment (UE) for receiving a physical downlink shared channel (PDSCH) in a wireless communication system, the UE comprising:
a transmitter for transmitting a signal,
a receiver for receiving a signal; and
at least one processor controlling the transmitter and the receiver,
wherein the at least one processor is configured to:
control the receiver to receive, from a base station (BS), resource configuration information on resources not to be used for a PDSCH, and
control the receiver to receive, from the BS, the PDSCH based on the resource configuration information,
wherein the resource configuration information includes a first bitmap, a second bitmap and, time unit pattern based on a period,
wherein the first bitmap represents configuration of frequency region for the resources not to be used for the PDSCH and the second bitmap represents configuration of time region for the resources not to be used for the PDSCH, and
wherein the time unit pattern represents one or more time units for the resources not to be used for the PDSCH, among a plurality of time units in the period, the one or more time units are a time unit in which resource configuration represented by the first and the second bitmap is used.
14. A base station (BS) for transmitting a physical downlink shared channel (PDSCH) in a wireless communication system, the BS comprising:
a transmitter for transmitting a signal,
a receiver for receiving a signal; and
at least one processor controlling the transmitter and the receiver,
wherein the at least one processor is configured to:
control the transmitter to transmit, to a user equipment (UE), resource configuration information on resources not to be used for a PDSCH,
mapping the PDSCH based on the resource configuration information, and
control the transmitter to transmit, to the UE, the PDSCH,
wherein the resource configuration information includes a first bitmap, a second bitmap and, time unit pattern based on a period,
wherein the first bitmap represents configuration of frequency region for the resources not to be used for the PDSCH and the second bitmap represents configuration of time region for the resources not to be used for the PDSCH, and
wherein the time unit pattern represents one or more time units for the resources not to be used for the PDSCH, among a plurality of time units in the period, the one or more time units are a time unit in which resource configuration represented by the first and the second bitmap is used.
15. An Apparatus for receiving a physical downlink shared channel (PDSCH) in a wireless communication system, the apparatus comprising:
a memory; and
at least one processor coupled to the memory and configured to:
receive resource configuration information on resources not to be used for a PDSCH, and
receive the PDSCH based on the resource configuration information,
wherein the resource configuration information includes a first bitmap, a second bitmap and, time unit pattern based on a period,
wherein the first bitmap represents configuration of frequency region for the resources not to be used for the PDSCH and the second bitmap represents configuration of time region for the resources not to be used for the PDSCH, and
wherein the time unit pattern represents one or more time units for the resources not to be used for the PDSCH, among a plurality of time units in the period, the one or more time units are a time unit in which resource configuration represented by the first and the second bitmap is used.