Method and apparatus for transmitting and receiving control channel and data channel for NR system
Provided is a scheduling information transmission/reception method and apparatus for an NR system in a wireless communication system. A method for receiving, by a terminal, scheduling information for data transmission or reception in a wireless communication system according to one aspect of the present invention may comprise the steps of: receiving, from a base station, information indicating a first physical resource supporting a first subcarrier spacing within a time interval and a second physical resource supporting a second subcarrier spacing within the time interval; receiving at least one of first scheduling information for the first physical resource and second scheduling information for the second physical resource; and performing the data transmission or reception on the basis of the at least one of the first scheduling information and the second scheduling information.
1. A method comprising:
receiving, by a wireless device from a base station, one or more radio resource control (RRC) signals indicating a number of first bandwidth parts configured for the wireless device;
receiving, by the wireless device, downlink control information (DCI) comprising a first indicator field that indicates at least one of the first bandwidth parts, wherein a bitwidth of the first indicator field is based on the number of the first bandwidth parts configured for the wireless device;
determining, based on the bitwidth and based on the DCI, a value of the first indicator field;
determining, based on the value of the first indicator field, one or more resources of the at least one of the first bandwidth parts; and
performing, based on the one or more resources, a data communication with the base station.
2. The method of claim 1 , wherein the one or more RRC signals indicate a number of second bandwidth parts configured for the wireless device.
3. The method of claim 2 ,
wherein the first bandwidth parts correspond to a plurality of uplink bandwidth parts, and the second bandwidth parts correspond to a plurality of downlink bandwidth parts; or
wherein the first bandwidth parts correspond to a plurality of downlink bandwidth parts, and the second bandwidth parts correspond to a plurality of uplink bandwidth part.
4. The method of claim 2 , further comprising:
receiving, by the wireless device, second DCI comprising a second indicator field that indicates at least one of the second bandwidth parts, wherein a second bitwidth of the second indicator field is based on the number of the second bandwidth parts configured for the wireless device;
determining, based on the second bitwidth and based on the second DCI, a value of the second indicator field;
determining, based on the value of the second indicator field, one or more second resources of the at least one of the second bandwidth parts; and
performing, based on the one or more second resources, a second data communication with the base station.
5. The method of claim 1 , wherein the number of first bandwidth parts configured for the wireless device is semi-statically configured, and
wherein the number of first bandwidth parts configured for the wireless device indicates the bitwidth of the first indicator field as one of 0, 1, or 2.
6. The method of claim 1 , wherein the one or more RRC signals indicate the wireless device to monitor a physical resource region corresponding to a particular transmission time interval (TTI).
7. The method of claim 1 , wherein the DCI comprises an assignment field indicating start and end points of a data assignment,
wherein the assignment field is associated with a combination of slot information and symbol information of the at least one of the first bandwidth parts, and
wherein the data assignment is associated with a physical uplink shared channel or with a physical downlink shared channel.
8. The method of claim 1 , further comprising:
receiving, from the base station, different DCI indicating a deactivation of the at least one of the first bandwidth parts and indicating an activation of a different one of the first bandwidth parts.
9. The method of claim 1 , further comprising:
receiving, from the base station, a different RRC signal indicating a deactivation of the at least one of the first bandwidth parts and indicating an activation of a different one of the first bandwidth parts.
10. The method of claim 1 , further comprising:
receiving, from the base station, configuration information, of the at least one of the first bandwidth parts, comprising subcarrier spacing information, cyclic prefix information, and frequency information.
11. A method comprising:
transmitting, by a base station to a wireless device, one or more radio resource control (RRC) signals indicating a number of first bandwidth parts configured for the wireless device;
determining, based on the number of the first bandwidth parts configured for the wireless device, a bitwidth of a first indicator field of downlink control information (DCI);
generating, based on the bitwidth, the DCI comprising a value, of the first indicator field, that indicates at least one of the first bandwidth parts;
transmitting, to the wireless device, the DCI;
determining, based on the value of the first indicator field, one or more resources of the at least one of the first bandwidth parts; and
performing, based on the one or more resources, a data communication with the wireless device.
12. The method of claim 11 , wherein the one or more RRC signals indicate a number of second bandwidth parts configured for the wireless device.
13. The method of claim 12 ,
wherein the first bandwidth parts correspond to a plurality of uplink bandwidth parts, and the second bandwidth parts correspond to a plurality of downlink bandwidth parts; or
wherein the first bandwidth parts correspond to a plurality of downlink bandwidth parts, and the second bandwidth parts correspond to a plurality of uplink bandwidth part.
14. The method of claim 12 , further comprising:
determining, based on the number of the second bandwidth parts configured for the wireless device, a second bitwidth of a second indicator field of second DCI;
generating, based on the second bitwidth, the second DCI comprising a value, of the second indicator field, that indicates at least one of the second bandwidth parts;
transmitting, to the wireless device, the second DCI;
determining, based on the value of the second indicator field, one or more second resources of the at least one of the second bandwidth parts; and
performing, based on the one or more second resources, a second data communication with the wireless device.
15. The method of claim 11 , wherein the number of first bandwidth parts configured for the wireless device is semi-statically configured, and
wherein the number of first bandwidth parts configured for the wireless device indicates the bitwidth of the first indicator field as one of 0, 1, or 2.
16. The method of claim 11 , wherein the one or more RRC signals indicate the wireless device to monitor a physical resource region corresponding to a particular transmission time interval (TTI).
17. The method of claim 11 , wherein the DCI comprises an assignment field indicating start and end points of a data assignment,
wherein the assignment field is associated with a combination of slot information and symbol information of the at least one of the first bandwidth parts, and
wherein the data assignment is associated with a physical uplink shared channel or with a physical downlink shared channel.
18. The method of claim 11 , further comprising:
transmitting, to the wireless device, different DCI indicating a deactivation of the at least one of the first bandwidth parts and indicating an activation of a different one of the first bandwidth parts.
19. The method of claim 11 , further comprising:
transmitting, to the wireless device, a different RRC signal indicating a deactivation of the at least one of the first bandwidth parts and indicating an activation of a different one of the first bandwidth parts.
20. The method of claim 11 , further comprising:
transmitting, to the wireless device, configuration information, of the at least one of the first bandwidth parts, comprising subcarrier spacing information, cyclic prefix information, and frequency information.