Method and apparatus for scheduling data channel in new radio
Disclosed are a method and apparatus for scheduling a data channel to support a user equipment (UE) using various bandwidth parts (BWPs) in a next-generation/5G radio access network. According to one embodiment, a method may be provided for receiving a downlink (DL) data channel or transmitting an uplink (UL) data channel by a user equipment (UE). The method may include: receiving bandwidth part (BWP) setup information about a BWP set configured with one or more BWPs set up with regard to the UE from a base station (BS); and receiving DL control information (DCI) including information for indicating one among the one or more BWPs included in the BWP set configured by the BWP setup information from the BS, wherein a DL data channel is received or a UL data channel is transmitted through the one BWP indicated by the DCI.
1. A method of receiving a downlink (DL) data channel or transmitting an uplink (UL) data channel by a user equipment (UE), the method comprising:
receiving bandwidth part (BWP) configuration information from a base station (BS) through higher layer signaling, wherein the BWP configuration information is information about a BWP set including multiple BWPs configured for the UE; and
receiving DL control information (DCI) from the base station, wherein the DCI comprises information for indicating one BWP to be used for at least one of a DL data channel and a UL data channel, among the BWPs included in the BWP set based on the BWP configuration information,
wherein the DL data channel is received or the UL data channel is transmitted through the one BWP indicated by the DCI,
wherein the BWP configuration information comprises subcarrier spacing (SCS) information and a cyclic prefix (CP) for each BWP of the BWP set, and
wherein the receiving of the BWP configuration information and the receiving of the DCI including BWP indication information are separately performed from each other.
2. The method according to claim 1 , wherein the BWP configuration information comprises index information for indicating each BWP of the BWP set.
3. The method according to claim 1 , wherein configuration information the BWP set comprises one initial DL BWP configured for a control resource set (CORESET) for the common search space of Type0-PDCCH.
4. The method according to claim 1 , wherein a bit number of the information for indicating the one BWP among the BWPs included in the BWP set in the DCI is one bit or two bits.
5. The method according to claim 4 , wherein information about the bit number is determined in accordance with a number of BWPs in the BWP configuration information received from the BS through higher layer signaling.
6. The method according to claim 1 , wherein the DL data channel is received through only the one BWP indicated by the DCI.
7. A method of transmitting a downlink (DL) data channel or receiving an uplink (UL) data channel by a base station (BS), the method comprising:
transmitting bandwidth part (BWP) configuration information to a user equipment(UE) through higher layer signaling, wherein the BWP configuration information is information about a BWP set including multiple BWPs configured for the UE; and
transmitting DL control information (DCI) to the UE, wherein the DCI comprises information for indicating one BWP to be used for at least one of a DL data channel and a UL data channel, among the BWPs included in the BWP set in the BWP configuration information,
wherein the DL data channel is transmitted or the UL data channel is received through the one BWP indicated by the DCI,
wherein the BWP configuration information comprises subcarrier spacing (SCS) information and a cyclic prefix (CP) for each BWP of the BWP set,
wherein the transmitting of the BWP configuration information and the transmitting DCI including BWP indication information are separately performed from each other.
8. The method according to claim 7 , wherein the BWP configuration information comprises index information for indicating each one of the BWPs included in the BWP set.
9. The method according to claim 7 , wherein configuration information the BWP set comprises one initial DL BWP configured for a control resource set (CORESET) for the common search space of Type0-PDCCH.
10. The method according to claim 7 , wherein a bit number of the information for indicating the one BWP among the BWPs included in the BWP set in the DCI is one bit or two bits.
11. The method according to claim 10 , wherein information about the bit number is determined based on a number of BWPs in the BWP configuration information which is transmitted to the UE through higher layer signaling.
12. The method according to claim 7 , wherein the DL data channel is transmitted through only the one BWP indicated by the DCI.
13. A user equipment (UE) for receiving a downlink (DL) data channel or transmitting an uplink (UL) data channel, the UE comprising
a receiver configured to receive bandwidth part (BWP) configuration information from a base station (BS) through higher layer signaling and receives DL control information (DCI) from the BS, wherein the BWP configuration information is information on a BWP set including multiple BWPs configured for the UE, and the DCI comprises information for indicating one BWP to be used for at least one of a DL data channel and a UL data channel, among the BWPs included in the BWP set based on the BWP configuration information,
wherein the DL data channel is received or the UL data channel is transmitted through the one BWP indicated by the DCI,
wherein the BWP configuration information comprises subcarrier spacing (SCS) information and a cyclic prefix (CP) for each BWP of the BWP set, and
wherein the receiving of the BWP configuration information and the receiving of the DCI including BWP indication information are separately performed from each other.
14. The UE according to claim 13 , wherein the BWP configuration information comprises index information for indicating each one of the BWPs in the BWP set.
15. The UE according to claim 13 , wherein configuration information the BWP set comprises one initial DL BWP configured for a control resource set (CORESET) for the common search space of Type0-PDCCH.
16. The UE according to claim 13 , wherein a bit number of the information for indicating the one BWP among the BWPs included in the BWP set in the DCI is one bit or two bits.
17. The UE according to claim 16 , wherein information about the bit number is determined based on a number of BWPs configured by the BWP configuration information received from the BS through higher layer signaling.
18. The UE according to claim 13 , wherein the DL data channel is received through only the one BWP indicated by the DCI.