Information processing method, network device, and user equipment
An information processing method, a UE, a network device, a chip, a computer-readable storage medium, a computer program product, and a computer program. The method comprises: a UE receives first downlink control information (DCI) used for scheduling first downlink data transmission ( 21 ). The first DCI is transmitted on a first control resource (CORESET) in a first CORESET group; and the first CORESET group comprises one or more CORESETs.
1. An information processing method, applied to a User Equipment (UE) and comprising:
receiving, by the UE, first Downlink Control Information (DCI) used for scheduling first downlink data transmission,
wherein the first DCI is transmitted on a first Control Resource Set (CORESET) in a first CORESET group, the first CORESET group comprises one or more CORESETs, and CORESETs in different CORESET groups are configured by a same Physical Downlink Control Channel (PDCCH) configuration signaling;
wherein the method further comprises:
detecting, by the UE, second DCI for scheduling second downlink data transmission, wherein the first DCI corresponds to a first Transmission Configuration Indicator (TCI) state group and the second DCI correspond to a second TCI state group, the first TCI state group corresponds to the first CORESET bearing the first DCI and TCI states in the TCI state groups are configured by a same Physical Downlink Shared Channel (PDSCH) configuration signaling;
wherein the first DCI comprises no first TCI state indication information, and the method further comprises:
receiving a first downlink channel scheduled by the first DCI using a TCI state or Quasi co-location (QCL) hypothesis corresponding to the first CORESET responsive to that a scheduling time offset of the first DCI is more than or not less than a first threshold;
responsive to that the scheduling time offset of the first DCI is less than or equal to the first threshold, receiving a PDSCH scheduled by the first DCI using a same QCL hypothesis as a third CORESET, or receiving the PDSCH scheduled by the first DCI using a same QCL-TypeD related QCL hypothesis as the third CORESET, wherein the third CORESET is different from the first CORESET.
2. The method of claim 1 , wherein the second DCI is transmitted on a second CORESET in a second CORESET group.
3. The method of claim 1 , wherein the first TCI state group comprises one or more TCI states.
4. The method of claim 3 , further comprising: receiving one or more TCI state groups configured by a network device for the UE; or, acquiring, by the UE, one or more TCI state groups based on indication information.
5. The method of claim 4 , wherein the one or more TCI state groups correspond to a same BandWidth Part (BWP).
6. The method of claim 1 , wherein the first TCI state group corresponds to the first CORESET group.
7. The method of claim 1 , further comprising:
determining one or more TCI states according to Radio Resource Control (RRC) configuration signaling; and
selecting at least part of TCI states in the one or more TCI states as the first TCI state group according to Media Access Control (MAC) Control Element (CE) signaling.
8. The method of claim 1 , wherein a format of the first DCI is DCI format 1_1 or DCI format 1_0.
9. The method of claim 1 , further comprising:
determining that configuration signaling in the first CORESET for transmitting the first DCI does not indicate that the corresponding DCI comprises a TCI state indication field.
10. The method of claim 1 , wherein the TCI state indication field in the first CORESET for transmitting the first DCI is not configured, or adopts a default value.
11. The method of claim 1 , wherein the third CORESET satisfies a condition; and the condition is that the third CORESET is a CORESET with a minimum identifier (ID) in at least one CORESET of the first CORESET group detected on a first slot closest to a second downlink channel.
12. The method of claim 11 , wherein the third CORESET satisfies another condition; and
the another condition is that the third CORESET is a CORESET with a minimum ID in at least one CORESET of multiple CORESET groups detected on the first slot closest to the second downlink channel.
13. User Equipment (UE), comprising:
a first transceiver, configured to receive first Downlink Control Information (DCI) used for scheduling first downlink data transmission,
wherein the first DCI is transmitted on a first Control Resource Set (CORESET) in a first CORESET group, the first CORESET group comprises one or more CORESETs, and CORESETs in different CORESET groups are configured by a same Physical Downlink Control Channel (PDCCH) configuration signaling;
wherein the first transceiver is configured to detect second DCI for scheduling second downlink data transmission, wherein the first DCI corresponds to a first Transmission Configuration Indicator (TCI) state group and the second DCI correspond to a second TCI state group, the first TCI state group corresponds to the first CORESET bearing the first DCI and TCI states in the TCI state groups are configured by a same Physical Downlink Shared Channel (PDSCH) configuration signaling;
wherein the first DCI comprises no first TCI state indication information, and the first transceiver is configured to:
receive a first downlink channel scheduled by the first DCI using a TCI state or Quasi co-location (QCL) hypothesis corresponding to the first CORESET responsive to that a scheduling time offset of the first DCI is more than or not less than a first threshold;
responsive to that the scheduling time offset of the first DCI is less than or equal to the first threshold, receive a PDSCH scheduled by the first DCI using a same QCL hypothesis as a third CORESET, or receive the PDSCH scheduled by the first DCI using a same QCL-TypeD related QCL hypothesis as the third CORESET, wherein the third CORESET is different from the first CORESET.
14. The UE of claim 13 , wherein the second DCI is transmitted on a second CORESET in a second CORESET group.
15. The UE of claim 13 , wherein the first TCI state group comprises one or more TCI states;
wherein the first transceiver is configured to:
receive one or more TCI state groups configured by a network for the UE,
or, acquire one or more TCI state groups based on indication information.
16. The UE of claim 15 , wherein the one or more TCI state groups correspond to a same BandWidth Part (BWP).
17. The UE of claim 13 , wherein the first TCI state group is determined based on received Radio Resource Control (RRC) signaling.
18. The UE of claim 13 , further comprising: a first processor, configured to determine one or more TCI states according to RRC configuration signaling and select at least part of TCI states in the one or more TCI states as the first TCI state group according to Media Access Control (MAC) Control Element (CE) signaling.
19. A network device, comprising:
a transceiver, configured to send first Downlink Control Information (DCI) used for scheduling first downlink data transmission to User Equipment (UE),
wherein the first DCI is transmitted on a first Control Resource Set (CORESET) in a first CORESET group, the first CORESET group comprises one or more CORESETs, and CORESETs in different CORESET groups are configured by a same Physical Downlink Control Channel (PDCCH) configuration signaling;
wherein the transceiver is configured to send second DCI used for scheduling second downlink data transmission, wherein the first DCI corresponds to a first Transmission Configuration Indicator (TCI) state group and the second DCI correspond to a second TCI state group, the first TCI state group corresponds to the first CORESET bearing the first DCI and TCI states in the TCI state groups are configured by a same Physical Downlink Shared Channel (PDSCH) configuration signaling;
wherein the first DCI comprises no first TCI state indication information, and the transceiver is configured to:
send a first downlink channel scheduled by the first DCI using a TCI state or Quasi co-location (QCL) hypothesis corresponding to the first CORESET responsive to that a scheduling time offset of the first DCI is more than or not less than a first threshold;
responsive to that the scheduling time offset of the first DCI is less than or equal to the first threshold, send a PDSCH scheduled by the first DCI using a same QCL hypothesis as a third CORESET, or send the PDSCH scheduled by the first DCI using a same QCL-TypeD related QCL hypothesis as the third CORESET, wherein the third CORESET is different from the first CORESET.
20. The network device of claim 19 , wherein the second DCI is transmitted on a second CORESET in a second CORESET group.