Wake up signal sending method and device
Examples in this application provides methods and devices for sending wake-up signals. One example method may include receiving, from a core network device, a first category which a terminal device belongs to, where the first category corresponds to a first service feature, receiving, from a network device, a configuration of a plurality of wake-up signals, determining a to-be-monitored wake-up signal in the plurality of wake-up signals based on the first category, and monitoring the to-be-monitored wake-up signal.
1. A method for receiving wake-up signals, comprising:
receiving, from a core network device, a first category which a terminal device belongs to, wherein the first category corresponds to a first service feature and the first category is a probability value that the terminal device is paged;
receiving, from a network device, a configuration of a plurality of wake-up signals;
determining a to-be-monitored wake-up signal in the plurality of wake-up signals based on the first category; and
monitoring the to-be-monitored wake-up signal.
2. The method according to claim 1 , wherein the first service feature comprises at least one of a probability that the terminal device is paged, an uplink service trigger type, or a downlink service trigger type.
3. The method according to claim 1 , wherein the configuration of the plurality of wake-up signals comprises a mapping relationship between category information and a wake-up signal; and wherein the to-be-monitored wake-up signal is determined based on the first category and the mapping relationship.
4. The method according to claim 1 , wherein the to-be-monitored wake-up signal is determined based on the first category and a grouping factor.
5. The method according to claim 4 , wherein determining the to-be-monitored wake-up signal in the plurality of wake-up signals based on the first category comprises:
determining a plurality of to-be-determined wake-up signals in the plurality of wake-up signals based on the first category; and
determining the to-be-monitored wake-up signal in the plurality of to-be-determined wake-up signals based on the grouping factor.
6. The method according to claim 1 , comprising:
sending, to the core network device, a service feature of the terminal device.
7. The method according to claim 1 , comprising:
when the to-be-monitored wake-up signal indicates that the terminal device is to be paged, monitoring a physical downlink control channel in a paging subframe corresponding to the to-be-monitored wake-up signal; or
when the to-be-monitored wake-up signal indicates that the terminal device is not to be paged, skipping monitoring a physical downlink control channel in a paging subframe corresponding to the to-be-monitored wake-up signal.
8. A method, comprising:
sending, to a terminal device, a first category which the terminal device belongs to, wherein the first category corresponds to a first service feature, and the first category is a probability value that the terminal device is paged; and
sending, to a network device, a paging message, wherein the paging message comprises an identifier of the terminal device and the first category, and wherein the paging message indicates the network device to determine a to-be-monitored wake-up signal in a plurality of wake-up signals based on the first category and to send the to-be-monitored wake-up signal to the terminal device based on the identifier of the terminal device.
9. The method according to claim 8 , wherein the first service feature comprises at least one of a probability that the terminal device is paged, an uplink service trigger type, or a downlink service trigger type.
10. The method according to claim 8 , comprising:
determining based on a service feature of the terminal device, the first category which the terminal device belongs to.
11. A communication apparatus, comprising:
at least one processor, configured to:
receive, from a core network device, a first category which a terminal device belongs to, wherein the first category corresponds to a first service feature, and the first category is a probability value that the terminal device is paged;
receive, from a network device, a configuration of a plurality of wake-up signals;
determine a to-be-monitored wake-up signal in the plurality of wake-up signals based on the first category; and
monitor the to-be-monitored wake-up signal.
12. The communication apparatus according to claim 11 , wherein the first service feature comprises at least one of a probability that the terminal device is paged, an uplink service trigger type, or a downlink service trigger type.
13. The communication apparatus according to claim 11 , wherein the configuration of the plurality of wake-up signals comprises a mapping relationship between category information and a wake-up signal, and wherein the to-be-monitored wake-up signal is determined based on the first category and the mapping relationship.
14. The communication apparatus according to claim 11 , wherein the to-be-monitored wake-up signal is determined based on the first category and a grouping factor.
15. The communication apparatus according to claim 14 , wherein the determine a to-be-monitored wake-up signal in the plurality of wake-up signals based on the first category comprises:
determine a plurality of to-be-determined wake-up signals in the plurality of wake-up signals based on the first category; and
determine the to-be-monitored wake-up signal in the plurality of to-be-determined wake-up signals based on the grouping factor.
16. The communication apparatus according to claim 11 , wherein the at least one processor is configured to:
send, to the core network device, a service feature of the terminal device.
17. The communication apparatus according to claim 11 , wherein the at least one processor is configured to:
when the to-be-monitored wake-up signal indicates that the terminal device is to be paged, monitor a physical downlink control channel in a paging subframe corresponding to the to-be-monitored wake-up signal; or
when the to-be-monitored wake-up signal indicates that the terminal device is not to be paged, skip monitoring a physical downlink control channel in a paging subframe corresponding to the to-be-monitored wake-up signal.
18. A communication apparatus, comprising:
at least one processor, configured to:
send, to a terminal device, a first category which the terminal device belongs to, wherein the first category corresponds to a first service feature, and the first category is a probability value that the terminal device is paged; and
send, to a network device, a paging message, wherein the paging message comprises an identifier of the terminal device and the first category, and wherein the paging message indicates the network device to determine a to-be-monitored wake-up signal in a plurality of wake-up signals based on the first category and to send the to-be-monitored wake-up signal to the terminal device based on the identifier of the terminal device.
19. The communication apparatus according to claim 18 , wherein the first service feature comprises at least one of a probability that the terminal device is paged, an uplink service trigger type, or a downlink service trigger type.
20. The communication apparatus according to claim 18 , wherein the at least one processor is configured to:
determine, based on a service feature of the terminal device, the first category which the terminal device belongs to.