Monitoring method and terminal device
A monitoring method and a terminal device are provided. The monitoring method includes: monitoring a PDCCH based on information of an activated target object, where the target object is a carrier or a cell and a PDCCH processing capability of the terminal device is allocated between the activated target objects.
1. A monitoring method, applied to a terminal device and comprising:
monitoring a physical downlink control channel PDCCH based on information of an activated target object, wherein
the target object is a carrier or a cell and a PDCCH processing capability of the terminal device is allocated between the activated target objects; and
the method further comprises: determining a PDCCH monitoring processing capability based on a quantity of activated target objects, wherein
the PDCCH monitoring processing capability comprises: a maximum PDCCH monitoring processing capability of the terminal device, and/or a maximum PDCCH monitoring processing capability for each target object in the activated target objects;
when the activated target objects have different subcarrier spacings (SCS), the maximum PDCCH monitoring processing capability of the terminal device is:
min{ S×P,└Y×P×S μ /Σ μ=0 3 S μ ┘}, wherein
S is the quantity of activated target objects, Y is a supported blind detection capability reported by the terminal device, P is a maximum quantity of PDCCH candidates that are to be blindly detected in a slot or a maximum quantity of non-overlapping CCEs required by the terminal device to perform blind detection, μ is SCS configuration supported by the terminal device, and S μ is a quantity of target objects of each SCS configuration μ.
2. The method according to claim 1 , wherein the SCS of the activated target object is determined based on an activated downlink bandwidth part BWP of the activated target object and the PDCCH processing capability of the terminal device is associated with the SCS of the activated target object.
3. The method according to claim 1 , wherein when state change indication signaling of a first target object is received at a first moment, the monitoring a physical downlink control channel PDCCH based on information of an activated target object comprises:
starting monitoring the PDCCH from a second moment based on information of the activated target object after a state change of the first target object.
4. The method according to claim 3 , wherein the second moment is determined based on the first moment and at least one of the following:
state change delay of the first target object, response delay of the state change indication signaling, and first preset delay.
5. A terminal device, comprising a memory, a processor, and a computer program that is stored in the memory and capable of running on the processor, wherein the computer program is executed by the processor to implement:
monitoring a physical downlink control channel PDCCH based on information of an activated target object, wherein the target object is a carrier or a cell and a PDCCH processing capability of the terminal device is allocated between the activated target objects;
wherein the computer program is executed by the processor to further implement:
determining a PDCCH monitoring processing capability based on a quantity of activated target objects, wherein
the PDCCH monitoring processing capability comprises: a maximum PDCCH monitoring processing capability of the terminal device, and/or a maximum PDCCH monitoring processing capability for each target object in the activated target objects;
when the activated target objects have different subcarrier spacings (SCS), the maximum PDCCH monitoring processing capability of the terminal device is:
min{ S×P,└Y×P×S μ /Σ μ=0 3 S μ ┘}, wherein
S is the quantity of activated target objects, Y is a supported blind detection capability reported by the terminal device, P is a maximum quantity of PDCCH candidates that are to be blindly detected in a slot or a maximum quantity of non-overlapping CCEs required by the terminal device to perform blind detection, μ is SCS configuration supported by the terminal device, and S μ is a quantity of target objects of each SCS configuration μ.
6. The terminal device according to claim 5 , wherein when state change indication signaling of a first target object is received at a first moment, the computer program is further executed by the processor to implement:
starting monitoring the PDCCH from a second moment based on information of the activated target object after a state change of the first target object.
7. The terminal device according to claim 6 , wherein the second moment is determined based on the first moment and at least one of the following:
state change delay of the first target object, response delay of the state change indication signaling, and first preset delay.
8. The terminal device according to claim 7 , wherein the second moment is at least one of the following:
the first moment, a sum of the first moment and the state change delay, a response delay of the state change indication signaling, and a sum of the first moment, the response delay, and the state change delay.
9. The terminal device according to claim 6 , wherein the state change indication signaling is at least one of the following:
activation signaling, deactivation signaling, and signaling used to indicate a change of an activated downlink bandwidth part BWP of the first target object.
10. The terminal device according to claim 5 , wherein when a state timer of a second target object expires at a third moment, the computer program is further executed by the processor to implement:
starting monitoring the PDCCH from a fourth moment based on information of the activated target object after a state change of the second target object.
11. The terminal device according to claim 10 , wherein the fourth moment is determined based on the third moment and at least one of the following:
state change delay of the second target object and second preset delay.
12. The terminal device according to claim 11 , wherein the fourth moment is:
the third moment or a sum of the third moment and the state change delay.
13. The terminal device according to claim 5 , wherein the SCS of the activated target object is determined based on an activated downlink bandwidth part BWP of the activated target object and the PDCCH processing capability of the terminal device is associated with the SCS of the activated target object.
14. The terminal device according to claim 13 , wherein when the activated target objects have same subcarrier spacing SCS, the maximum PDCCH monitoring processing capability of the terminal device is:
min( S,Y )× P , wherein
S is the quantity of activated target objects, Y is a supported blind detection capability reported by the terminal device, and P is a maximum quantity of PDCCH candidates that are to be blindly detected in a slot or a maximum quantity of non-overlapping control channel elements CCEs required by the terminal device to perform blind detection.
15. The terminal device according to claim 5 , wherein the computer program is further executed by the processor to implement:
allocating and/or monitoring a search space set and/or a PDCCH candidate of all activated target objects based on the quantity of activated target objects and/or a sequence of identifiers of the activated target objects.
16. The terminal device according to claim 5 , wherein the computer program is further executed by the processor to implement:
monitoring the PDCCH on a search space set of a first activated cell when the first activated cell is not scheduled by another activated cell across carriers; or
when a second activated cell is scheduled by another activated cell across carriers, monitoring the PDCCH on a search space set that is of a scheduling cell of the second activated cell and that is associated with the second activated cell, and/or a PDCCH candidate that is associated with the second activated cell.
17. A non-transitory computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and the computer program is executed by a processor to implement:
monitoring a physical downlink control channel PDCCH based on information of an activated target object, wherein the target object is a carrier or a cell and a PDCCH processing capability of the terminal device is allocated between the activated target objects;
wherein the computer program is executed by the processor to further implement:
determining a PDCCH monitoring processing capability based on a quantity of activated target objects, wherein
the PDCCH monitoring processing capability comprises: a maximum PDCCH monitoring processing capability of the terminal device, and/or a maximum PDCCH monitoring processing capability for each target object in the activated target objects;
when the activated target objects have different subcarrier spacings (SCS), the maximum PDCCH monitoring processing capability of the terminal device is:
min{ S×P,└Y×P×S μ /Σ μ=0 3 S μ ┘}, wherein
S is the quantity of activated target objects, Y is a supported blind detection capability reported by the terminal device, P is a maximum quantity of PDCCH candidates that are to be blindly detected in a slot or a maximum quantity of non-overlapping CCEs required by the terminal device to perform blind detection, μ is SCS configuration supported by the terminal device, and S μ is a quantity of target objects of each SCS configuration μ.
18. The computer-readable storage medium according to claim 17 , wherein the SCS of the activated target object is determined based on an activated downlink bandwidth part BWP of the activated target object and the PDCCH processing capability of the terminal device is associated with the SCS of the activated target object.
19. The computer-readable storage medium according to claim 17 , wherein when state change indication signaling of a first target object is received at a first moment, the computer program is executed by the processor to further implement:
starting monitoring the PDCCH from a second moment based on information of the activated target object after a state change of the first target object.
20. The computer-readable storage medium according to claim 19 , wherein the second moment is determined based on the first moment and at least one of the following:
state change delay of the first target object, response delay of the state change indication signaling, and first preset delay.