Wireless communication method and terminal device
View Patent ↗The implementations of the present disclosure relate to a wireless communication method and a terminal device, capable of effectively determining the QCL relationship of SSB. The wireless communication method includes: a terminal device receives first indication information and second indication information from a network device, the first indication information being used for indicating a first number Q 1 and the second indication information being used for indicating a second number Q 2 ; the terminal device determines target indication information from amongst the first indication information and the second indication information and, on the basis of the target indication information, determines the quasi co-location QCL relationship between the synchronization signal blocks SSB of a serving cell of the terminal device.
1. A wireless communication method, comprising:
receiving, by a terminal device, first indication information and second indication information from a network device, wherein the first indication information is used for indicating a first number Q 1 and the second indication information is used for indicating a second number Q 2 ; and
determining, by the terminal device, target indication information from the first indication information and the second indication information, and determining a Quasi Co-Located (QCL) relationship between Synchronization Signal Blocks (SSBs) of a serving cell of the terminal device according to the target indication information.
2. The method of claim 1 , wherein the Q 1 is used for indicating a number capable of being used by the serving cell and the Q 2 is used for indicating a number capable of being used by a frequency point where the serving cell is located.
3. The method of claim 2 , wherein determining, by the terminal device, the target resource from the first indication information and the second indication information comprises:
determining, by the terminal device, the second indication information as the target indication information.
4. The method of claim 1 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a SIB 2 .
5. The method of claim 4 , wherein the method is used for intra-frequency cell reselection.
6. The method of claim 1 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a Radio Resource Control (RRC) reconfiguration message.
7. The method of claim 6 , wherein the method is used for intra-frequency cell measurement.
8. The method of claim 1 , wherein determining, by the terminal device, the Quasi Co-Located (QCL) relationship between the Synchronization Signal Blocks (SSBs) of the serving cell of the terminal device according to the target indication information comprises:
determining, by the terminal device, that there is a QCL relationship between the SSBs of the serving cell when the SSBs of the serving cell satisfy a following formula:
M
1
mod
(
Q
)
=
M
2
mod
(
Q
)
M 1 and M 2 are numbers of different SSBs of the serving cell, and Q is a number indicated by the target indication information.
9. A terminal device, comprising a processor and a transceiver, wherein the transceiver is configured to receive first indication information and second indication information from a network device, wherein the first indication information is used for indicating a first number Q 1 and the second indication information is used for indicating a second number Q 2 ; and
the processor is configured to determine target indication information from the first indication information and the second indication information, and determine a Quasi Co-Located (QCL) relationship between Synchronization Signal Blocks (SSBs) of a serving cell of the terminal device according to the target indication information.
10. The terminal device of claim 9 , wherein the Q 1 is used for indicating a number capable of being used by the serving cell and the Q 2 is used for indicating a number capable of being used by a frequency point where the serving cell is located.
11. The terminal device of claim 10 , wherein, the processor is specifically configured to:
determine the second indication information as the target indication information.
12. The terminal device of claim 9 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a SIB 2 .
13. The terminal device of claim 9 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a Radio Resource Control (RRC) reconfiguration message.
14. The terminal device of claim 9 , wherein the processor is specifically configured to:
determine that there is a QCL relationship between the SSBs of the serving cell when the SSBs of the serving cell satisfy a following formula:
M
1
mod
(
Q
)
=
M
2
mod
(
Q
)
M 1 and M 2 are numbers of different SSBs of the serving cell, and Q is a number indicated by the target indication information.
15. A network device, comprising: a processor and a transceiver, wherein
the transceiver is configured to send first indication information and second indication information to a terminal device, wherein the first indication information is used for indicating a first number Q 1 and the second indication information is used for indicating a second number Q 2 ;
wherein target indication information is determined by the terminal device from the first indication information and the second indication information, and a Quasi Co-Located (QCL) relationship between Synchronization Signal Blocks (SSBs) of a serving cell of the terminal device is determined according to the target indication information.
16. The network device of claim 15 , wherein the Q 1 is used for indicating a number capable of being used by the serving cell and the Q 2 is used for indicating a number capable of being used by a frequency point where the serving cell is located.
17. The network device of claim 16 , wherein the second indication information is determined by the terminal device as the target indication information.
18. The network device of claim 15 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a SIB 2 .
19. The network device of claim 15 , wherein the first indication information is carried in a Master Information Block (MIB), and the second indication information is carried in a Radio Resource Control (RRC) reconfiguration message.
20. The network device of claim 15 , wherein that there is a QCL relationship between the SSBs of the serving cell is determined by the terminal device when the SSBs of the serving cell satisfy a following formula:
M
1
mod
(
Q
)
=
M
2
mod
(
Q
)
M 1 and M 2 are numbers of different SSBs of the serving cell, and Q is a number indicated by the target indication information.