Method for monitoring physical downlink control channel, and device

1 . A method for monitoring a physical downlink control channel, comprising:

receiving, by a terminal device, configuration information, wherein the configuration information comprises a plurality of groups of connected mode discontinuous reception (CDRX) parameters, and the plurality of groups of CDRX parameters correspond to a plurality of target objects; and

monitoring, by the terminal device, according to a first group of CDRX parameters corresponding to a first object in the configuration information, a physical downlink control channel (PDCCH) associated with the first object, wherein the first object is one of the plurality of target objects, and

the plurality of target objects comprise at least one of:

a downlink control information (DCI) format;

an uplink grant;

a downlink grant;

a DCI format having a preset DCI size;

a radio network temporary identifier (RNTI);

a search space;

a control resource set; or

a bandwidth part;

wherein the CDRX parameters comprise at least one of: a CDRX-on duration timer or a CDRX-inactivity timer; and

the method further comprises:

starting or restarting, by the terminal device, a CDRX-inactivity timer corresponding to the first object in a case that a newly transmitted PDCCH associated with the first object is received during running of a CDRX-on duration timer corresponding to the first object; and

skipping starting or restarting, by the terminal device, the CDRX-inactivity timer corresponding to the first object in a case that a PDCCH that is different from the PDCCH associated with the first object is received during running of the CDRX-on duration timer corresponding to the first object.

2 . The method according to claim 1 , wherein a DCI format corresponding to the uplink grant comprises at least one of: a DCI format 0_1, a DCI format 0_2, or a DCI format 0_0; and/or

a DCI format corresponding to the downlink grant comprises at least one of: a DCI format 1_1, a DCI format 1_2, or a DCI format 1_0.

3 . The method according to claim 1 , further comprising:

continuing, by the terminal device, to run the CDRX-inactivity timer corresponding to the first object in a case that the PDCCH associated with the first object is not received within a target time unit during running of the CDRX-inactivity timer corresponding to the first object.

4 . The method according to claim 1 , further comprising:

determining, by the terminal device, to enter a discontinuous reception (DRX) inactive period corresponding to the first object in a case that the CDRX-on duration timer corresponding to the first object is not running and the CDRX-inactivity timer corresponding to the first object expires.

5 . The method according to claim 1 , further comprising:

determining, by the terminal device, to enter a discontinuous reception (DRX) active period in a case that a CDRX-on duration timer or CDRX-inactivity timer corresponding to any one of the target objects is started.

6 . The method according to claim 1 , wherein before the monitoring, by the terminal device, according to a first group of CDRX parameters corresponding to a first object in the configuration information, a physical downlink control channel (PDCCH) associated with the first object, the method further comprises:

receiving, by the terminal device, a wake-up signal, wherein the wake-up signal is used for indicating one of:

whether to monitor a PDCCH during running of all CDRX-on duration timers corresponding to the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the plurality of groups of CDRX parameters; or

whether to monitor a PDCCH during running of a CDRX-on duration timer corresponding to a first group of CDRX parameters in the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the first group of CDRX parameters.

7 . A terminal device, comprising a memory, a processor, and a program or an instruction stored in the memory and executable on the processor, wherein the program or instruction, when executed by the processor, causes the terminal device to perform:

receiving configuration information, wherein the configuration information comprises a plurality of groups of connected mode discontinuous reception (CDRX) parameters, and the plurality of groups of CDRX parameters correspond to a plurality of target objects; and

monitoring, according to a first group of CDRX parameters corresponding to a first object in the configuration information, a physical downlink control channel (PDCCH) associated with the first object, wherein the first object is one of the plurality of target objects, and

the plurality of target objects comprise at least one of:

a downlink control information (DCI) format;

an uplink grant;

a downlink grant;

a DCI format having a preset DCI size;

a radio network temporary identifier (RNTI);

a search space;

a control resource set; or

a bandwidth part;

wherein the CDRX parameters comprise at least one of: a CDRX-on duration timer or a CDRX-inactivity timer; and

the program or instruction, when executed by the processor, causes the terminal device to further perform:

starting or restarting a CDRX-inactivity timer corresponding to the first object in a case that a newly transmitted PDCCH associated with the first object is received during running of a CDRX-on duration timer corresponding to the first object; and

skipping starting or restarting the CDRX-inactivity timer corresponding to the first object in a case that a PDCCH that is different from the PDCCH associated with the first object is received during running of the CDRX-on duration timer corresponding to the first object.

8 . The terminal device according to claim 7 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

continuing to run the CDRX-inactivity timer corresponding to the first object in a case that the PDCCH associated with the first object is not received within a target time unit during running of the CDRX-inactivity timer corresponding to the first object.

9 . The terminal device according to claim 7 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

determining to enter a discontinuous reception (DRX) inactive period corresponding to the first object in a case that the CDRX-on duration timer corresponding to the first object is not running and the CDRX-inactivity timer corresponding to the first object expires.

10 . The terminal device according to claim 7 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

determining to enter a discontinuous reception (DRX) active period in a case that a CDRX-on duration timer or CDRX-inactivity timer corresponding to any one of the target objects is started.

11 . The terminal device according to claim 7 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

receiving a wake-up signal, wherein the wake-up signal is used for indicating one of:

whether to monitor a PDCCH during running of all CDRX-on duration timers corresponding to the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the plurality of groups of CDRX parameters; or

whether to monitor a PDCCH during running of a CDRX-on duration timer corresponding to a first group of CDRX parameters in the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the first group of CDRX parameters.

12 . The terminal device according to claim 7 , wherein a DCI format corresponding to the uplink grant comprises at least one of: a DCI format 0_1, a DCI format 0_2, or a DCI format 0_0; and/or

a DCI format corresponding to the downlink grant comprises at least one of: a DCI format 1_1, a DCI format 1_2, or a DCI format 1_0.

13 . A non-transitory readable storage medium storing a program or an instruction, wherein the program or the instruction, when executed by a processor of a terminal device, causes the terminal device to preform:

receiving configuration information, wherein the configuration information comprises a plurality of groups of connected mode discontinuous reception (CDRX) parameters, and the plurality of groups of CDRX parameters correspond to a plurality of target objects; and

monitoring, according to a first group of CDRX parameters corresponding to a first object in the configuration information, a physical downlink control channel (PDCCH) associated with the first object, wherein the first object is one of the plurality of target objects, and

the plurality of target objects comprise at least one of:

a downlink control information (DCI) format;

an uplink grant;

a downlink grant;

a DCI format having a preset DCI size;

a radio network temporary identifier (RNTI);

a search space;

a control resource set; or

a bandwidth part;

wherein the CDRX parameters comprise at least one of: a CDRX-on duration timer or a CDRX-inactivity timer; and

the program or instruction, when executed by the processor, causes the terminal device to further perform:

starting or restarting a CDRX-inactivity timer corresponding to the first object in a case that a newly transmitted PDCCH associated with the first object is received during running of a CDRX-on duration timer corresponding to the first object; and

skipping starting or restarting the CDRX-inactivity timer corresponding to the first object in a case that a PDCCH that is different from the PDCCH associated with the first object is received during running of the CDRX-on duration timer corresponding to the first object.

14 . The non-transitory readable storage medium according to claim 13 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

continuing to run the CDRX-inactivity timer corresponding to the first object in a case that the PDCCH associated with the first object is not received within a target time unit during running of the CDRX-inactivity timer corresponding to the first object.

15 . The non-transitory readable storage medium according to claim 13 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

determining to enter a discontinuous reception (DRX) inactive period corresponding to the first object in a case that the CDRX-on duration timer corresponding to the first object is not running and the CDRX-inactivity timer corresponding to the first object expires.

16 . The non-transitory readable storage medium according to claim 13 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

determining to enter a discontinuous reception (DRX) active period in a case that a CDRX-on duration timer or CDRX-inactivity timer corresponding to any one of the target objects is started.

17 . The non-transitory readable storage medium according to claim 13 , wherein the program or instruction, when executed by the processor, causes the terminal device to further perform:

receiving a wake-up signal, wherein the wake-up signal is used for indicating one of:

whether to monitor a PDCCH during running of all CDRX-on duration timers corresponding to the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the plurality of groups of CDRX parameters; or

whether to monitor a PDCCH during running of a CDRX-on duration timer corresponding to a first group of CDRX parameters in the plurality of groups of CDRX parameters, wherein the wake-up signal is associated with the first group of CDRX parameters.

18 . The non-transitory readable storage medium according to claim 13 , wherein a DCI format corresponding to the uplink grant comprises at least one of: a DCI format 0_1, a DCI format 0_2, or a DCI format 0_0; and/or

a DCI format corresponding to the downlink grant comprises at least one of: a DCI format 1_1, a DCI format 1_2, or a DCI format 1_0.