Physical channel monitoring method, terminal device, and non-transitory computer-readable storage medium
View Patent ↗A physical channel monitoring method, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes configuring the terminal device with at least one serving cell group; wherein a first serving cell group of the at least one serving cell group corresponds to first information; configuring the terminal device with a periodic channel occupying length on a first serving cell, wherein the periodic channel occupying length comprises a maximum channel occupying length, and the maximum channel occupying length is less than the periodic channel occupying length; and performing, by the terminal device, a PDCCH monitoring process for the first serving cell based on second information, wherein the first serving cell is a serving cell in the first serving cell group, and the second information comprises at least one of the periodic channel occupying length, the maximum channel occupying length, and the first information.
1. A physical channel monitoring method, applied to a terminal device, comprising:
configuring the terminal device with at least one serving cell group; wherein a first serving cell group of the at least one serving cell group corresponds to first information;
configuring the terminal device with a periodic channel occupying length on a first serving cell, wherein the periodic channel occupying length comprises a maximum channel occupying length, and the maximum channel occupying length is less than the periodic channel occupying length; and
performing, by the terminal device, a physical downlink control channel (PDCCH) monitoring process for the first serving cell based on second information, wherein the first serving cell is a serving cell in the first serving cell group, and the second information comprises at least one of the periodic channel occupying length, the maximum channel occupying length, and the first information;
wherein the periodic channel occupying length is a length of a fixed frame period (FFP), and the maximum channel occupying length is a length of a maximum channel occupation time (COT) corresponding to the FFP;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to receiving a first downlink control information (DCI) format and the first information in the first DCI format indicating a second group ID, setting, by the terminal, a first timer to a first timing value;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to the terminal device performing the PDCCH monitoring process based on a SSS corresponding to the second group ID, performing, by the terminal device, the PDCCH monitoring process based on a SSS corresponding to a first group ID from a slot 3 on the first serving cell, and stopping the PDCCH monitoring process based on a SSS corresponding to the second group ID.
2. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to receiving a first DCI format and the first information in the first DCI format indicating a first group ID, when the terminal device does not perform the PDCCH monitoring process based on a search space sets (SSS) corresponding to the first group ID, the terminal device performing the PDCCH monitoring process based on the SSS corresponding to the first group ID from a slot 1 of the first serving cell and stopping PDCCH monitoring processes based on SSSs corresponding to other group IDs.
3. The method according to claim 2 , wherein the slot 1 comprises a first slot after at least p symbols of a last symbol of a PDCCH carrying the first DCI format.
4. The method according to claim 3 , wherein the P symbols are determined based on a first subcarrier space.
5. The method according to claim 4 , wherein one of the following:
the first subcarrier space is a subcarrier space corresponding to the first serving cell;
the first subcarrier space is preset;
the first subcarrier space is configured by a network device;
the first subcarrier space is a minimum subcarrier spacing in subcarrier spaces corresponding to serving cells in the first serving cell group; and
the first subcarrier space is a maximum subcarrier space in the subcarrier spaces corresponding to the serving cells in the first serving cell group.
6. The method according to claim 4 , wherein one of the following:
the P is greater than or equal to 10, in response to the first subcarrier space being 15 kHz or a configuration of the first subcarrier space being μ=0;
the P is greater than or equal to 12, in response to the first subcarrier space being 30 kHz or the configuration of the first subcarrier space being μ=1;
the P is greater than or equal to 22, in response to the first subcarrier space being 60 kHz or the configuration of the first subcarrier space being μ=2; and
the P is greater than or equal to 25, in response to the first subcarrier space being 120 kHz or the configuration of the first subcarrier space being μ=3.
7. The method according to claim 4 , wherein one of the following:
the P is greater than or equal to 5, in response to the first subcarrier space being 15 kHz or a configuration of the first subcarrier space being μ=0;
the P is greater than or equal to 5.5, in response to the first subcarrier space being 30 kHz or the configuration of the first subcarrier space being μ=1; and
the P is greater than or equal to 11, in response to the first subcarrier space being 60 kHz or the configuration of the first subcarrier space being μ=2.
8. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to receiving a first DCI format and the first information in the first DCI format indicating a second group ID, when the terminal device does not perform the PDCCH monitoring process based on a SSS corresponding to the second group ID, the terminal device performing the PDCCH monitoring process based on the SSS corresponding to the second group ID from a slot 2 on the first serving cell and stopping PDCCH monitoring processes based on SSSs corresponding to other group IDs.
9. The method according to claim 8 , wherein the slot 2 comprises a first slot after at least p symbols of a last symbol of a PDCCH carrying the first DCI format.
10. The method according to claim 1 , wherein the slot 3 comprises a first slot after at least p symbols after a slot corresponding to the first timer in expiring.
11. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to the first serving cell comprising a first SSS which does not belong to a SSS corresponding to a first group ID or a SSS corresponding to a second group ID, performing, by the terminal device, the PDCCH monitoring process base on the first SSS.
12. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
performing, by the terminal device, the PDCCH monitoring process based on a SSS corresponding to a default search space (SS) group ID from an initiate symbol in a first periodic channel occupying length.
13. The method according to claim 12 , wherein:
the default group ID is a first group ID or a second group ID; and/or,
the default group ID is preset or configured by a network device.
14. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
performing, by the terminal device, the PDCCH monitoring process for the first serving cell in a channel occupation of a first periodic channel occupying length.
15. The method according to claim 14 , wherein the channel occupation of the first periodic channel occupying length is determined based on the maximum channel occupying length; or
wherein the channel occupation of the first periodic channel occupying length is determined based on a remaining channel occupying length indicated in a first DCI format.
16. The method according to claim 15 , wherein in response to receiving the first DCI format and the first DCI format indicating the remaining channel occupying length, the channel occupation of the first periodic channel occupying length is determined based on the remaining channel occupying length indicated in the first DCI format; and
in response to not receiving the first DCI format or the first DCI format not indicating the remaining channel occupying length, the channel occupation of the first periodic channel occupying length is determined based on the maximum channel occupying length.
17. The method according to claim 15 , wherein in response to the first DCI format comprising SFI information or indication information of a channel occupying time length, the first DCI format indicates the remaining channel occupying length; and
in response to the first DCI format not comprising the SFI information or the indication information of the channel occupying time length, the first DCI format does not indicate the remaining channel occupying length.
18. The method according to claim 15 , wherein in response to configuring the terminal device to monitor a first DCI format corresponding to at least one cell in the first serving cell group and receiving information of at least one remaining channel occupying length of the at least one cell indicated by the first DCI format by the terminal device, determining, by the terminal device, a last symbol of the channel occupation of the first periodic channel occupying length based on a last symbol of a first remaining channel occupying length in the at least one remaining channel occupying length.
19. The method according to claim 18 , wherein the first remaining channel occupying length is a remaining channel occupying length which is ended latest in the at least one remaining channel occupying length, or a remaining channel occupying length which is ended earliest in the at least one remaining channel occupying length.
20. The method according to claim 1 , wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
not performing, by the terminal device, the PDCCH monitoring process from a last symbol of a channel occupation of a first periodic channel occupying length to an initiate symbol in a second periodic channel occupying length, wherein the first periodic channel occupying length and the second periodic channel occupying length are two consecutive periodic channel occupying lengths, and the first periodic channel occupying length is ahead of the second periodic channel occupying length in a time domain.
21. A terminal device, comprising:
a processor; and
a memory configured to store a computer program;
wherein when the computer program is executed by the processor, the processor is caused to implement the following:
configuring the terminal device with at least one serving cell group; wherein a first serving cell group of the at least one serving cell group corresponds to first information;
configuring the terminal device with a periodic channel occupying length on a first serving cell, wherein the periodic channel occupying length comprises a maximum channel occupying length, and the maximum channel occupying length is less than the periodic channel occupying length; and
performing, by the terminal device, a PDCCH monitoring process for the first serving cell based on second information, wherein the first serving cell is a serving cell in the first serving cell group, and the second information comprises at least one of the periodic channel occupying length, the maximum channel occupying length, and the first information;
wherein the periodic channel occupying length is a length of a fixed frame period (FFP), and the maximum channel occupying length is a length of a maximum channel occupation time (COT) corresponding to the FFP;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to receiving a first DCI format and the first information in the first DCI format indicating a second group ID, setting, by the terminal, a first timer to a first timing value;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to the terminal device performing the PDCCH monitoring process based on a SSS corresponding to the second group ID, performing, by the terminal device, the PDCCH monitoring process based on a SSS corresponding to a first group ID from a slot 3 on the first serving cell, and stopping the PDCCH monitoring process based on a SSS corresponding to the second group ID.
22. The terminal device according to claim 21 , wherein in response to receiving a first DCI format and the first information in the first DCI format indicating a first group ID, when the terminal device does not perform the PDCCH monitoring process based on a SSS corresponding to the first group ID, the processor is configured to cause the terminal device performing the PDCCH monitoring process based on the SSS corresponding to the first group ID from a slot 1 of the first serving cell and stopping PDCCH monitoring processes based on SSSs corresponding to other group IDs.
23. The terminal device according to claim 21 , wherein in response to receiving a first DCI format and the first information in the first DCI format indicating a second group ID, when the terminal device does not perform the PDCCH monitoring process based on a SSS corresponding to the second group ID, the processor is configured to cause the terminal device performing the PDCCH monitoring process based on the SSS corresponding to the second group ID from a slot 2 on the first serving cell and stopping PDCCH monitoring processes based on SSSs corresponding to other group IDs.
24. The terminal device according to claim 21 , wherein in response to receiving a first DCI format and the first information in the first DCI format indicating a second group ID, the processor is configured to cause the terminal setting a first timer to a first timing value.
25. The terminal device according to claim 21 , wherein in response to the first serving cell comprising a first SSS which does not belong to a SSS corresponding to a first group ID or a SSS corresponding to a second group ID, the processor is configured to cause the terminal device performing the PDCCH monitoring process base on the first SSS.
26. The terminal device according to claim 21 , wherein the processor is configured to cause the terminal device performing the PDCCH monitoring process based on a SSS corresponding to a default group ID from an initiate symbol in a first periodic channel occupying length.
27. The terminal device according to claim 21 , wherein the processor is configured to cause the terminal device not performing the PDCCH monitoring process from a last symbol of a channel occupation of a first periodic channel occupying length to an initiate symbol in a second periodic channel occupying length, wherein the first periodic channel occupying length and the second periodic channel occupying length are two consecutive periodic channel occupying lengths, and the first periodic channel occupying length is ahead of the second periodic channel occupying length in a time domain.
28. A non-transitory computer-readable storage medium configured to store a computer program, which when executed by a causes, causes the computer to:
configure a terminal device with at least one serving cell group, wherein a first serving cell group of the at least one serving cell group corresponds to first information;
configure the terminal device with a periodic channel occupying length on a first serving cell, wherein the periodic channel occupying length comprises a maximum channel occupying length, and the maximum channel occupying length is less than the periodic channel occupying length; and
perform, by the terminal device, a PDCCH monitoring process for the first serving cell based on second information, wherein the first serving cell is a serving cell in the first serving cell group, and the second information comprises at least one of the periodic channel occupying length, the maximum channel occupying length, and the first information;
wherein the periodic channel occupying length is a length of a fixed frame period (FFP), and the maximum channel occupying length is a length of a maximum channel occupation time (COT) corresponding to the FFP;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to receiving a first DCI format and the first information in the first DCI format indicating a second group ID, setting, by the terminal, a first timer to a first timing value;
wherein performing, by the terminal device, the PDCCH monitoring process for the first serving cell based on second information, comprises:
in response to the terminal device performing the PDCCH monitoring process based on a SSS corresponding to the second group ID, performing, by the terminal device, the PDCCH monitoring process based on a SSS corresponding to a first group ID from a slot 3 on the first serving cell, and stopping the PDCCH monitoring process based on a SSS corresponding to the second group ID.