Method and terminal for transmitting multiple physical downlink control channels (PDCCHS) through multiple groups of control resource sets (CORESETs)
A method for wireless communication includes that: a terminal device detects M downlink control channels using N groups of search spaces or N groups of control resource sets (CORESETs), N being an integer greater than or equal to 2, and M being an integer greater than or equal to 2, and different groups of search spaces or different groups of CORESETs are used for detecting different downlink control channels. Further, a terminal device is also provided.
1. A method for wireless communication, comprising:
detecting, by a terminal device, M downlink control channels using N groups of control resource sets (CORESETs),
wherein N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and different groups of CORESETs are used for detecting different downlink control channels,
wherein the method further comprises:
receiving, by the terminal device, first information from a network device,
wherein the first information indicates a CORESET group to which a first CORESET belongs, through at least one of: whether the first information carries a specific field, or a value of the specific field of the first information; and
wherein the first information is carried in radio resource control (RRC) signaling.
2. The method of claim 1 , wherein M is equal to N, and the N groups of CORESETs are in one-to-one correspondences with the M downlink control channels.
3. The method of claim 1 , wherein the first information is used for configuring configuration information of the first CORESET.
4. The method of claim 1 , wherein at least one of the following applies:
the M downlink control channels are used for uplink scheduling; or
the M downlink control channels are used for downlink scheduling.
5. The method of claim 1 , wherein the M downlink control channels are transmitted through a single carrier.
6. A terminal device, comprising:
a transceiver, configured to detect M downlink control channels using N groups of control resource sets (CORESETs),
wherein N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and different groups of CORESETs are used for detecting different downlink control channels,
wherein the transceiver is further configured to:
receive first information from a network device,
wherein the first information indicates a CORESET group to which a first CORESET belongs, through at least one of: whether the first information carries a specific field, or a value of the specific field of the first information; and
wherein the first information is carried in radio resource control (RRC) signaling.
7. The terminal device of claim 6 , wherein M is equal to N, and the N groups of CORESETs are in one-to-one correspondences with the M downlink control channels.
8. The terminal device of claim 6 , wherein the first information is used for configuring configuration information of the first CORESET.
9. The terminal device of claim 6 , wherein at least one of the following applies:
the M downlink control channels are used for uplink scheduling; or
the M downlink control channels are used for downlink scheduling.
10. The terminal device of claim 6 , wherein the M downlink control channels are transmitted through a single carrier.
11. A method for wireless communication, comprising:
detecting, by a network device, M downlink control channels using N groups of control resource sets (CORESETs),
wherein N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and different groups of CORESETs are used for detecting different downlink control channels,
wherein the method further comprises:
transmitting, by the network device, first information to a terminal device,
wherein the first information indicates a CORESET group to which a first CORESET belongs, through at least one of: whether the first information carries a specific field, or a value of the specific field of the first information; and
wherein the first information is carried in radio resource control (RRC) signaling.
12. The method of claim 11 , wherein M is equal to N, and the N groups of CORESETs are in one-to-one correspondences with the M downlink control channels.
13. The method of claim 11 , wherein the first information is used for configuring configuration information of the first CORESET.
14. The method of claim 11 , wherein at least one of the following applies:
the M downlink control channels are used for uplink scheduling; or
the M downlink control channels are used for downlink scheduling.
15. The method of claim 11 , wherein the M downlink control channels are transmitted through a single carrier.
16. A network device, comprising:
a transceiver, configured to detect M downlink control channels using N groups of control resource sets (CORESETs),
wherein N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and different groups of CORESETs are used for detecting different downlink control channels,
wherein the transceiver is further configured to:
transmit first information to a terminal device,
wherein the first information indicates a CORESET group to which a first CORESET belongs, through at least one of: whether the first information carries a specific field, or a value of the specific field of the first information; and
wherein the first information is carried in radio resource control (RRC) signaling.
17. The network device of claim 16 , wherein M is equal to N, and the N groups of CORESETs are in one-to-one correspondences with the M downlink control channels.
18. The network device of claim 16 , wherein the first information is used for configuring configuration information of the first CORESET.
19. The network device of claim 16 , wherein at least one of the following applies:
the M downlink control channels are used for uplink scheduling; or
the M downlink control channels are used for downlink scheduling.
20. The network device of claim 16 , wherein the M downlink control channels are transmitted through a single carrier.