Data receiving method, data sending method, terminal, and network device
A data receiving method, a data sending method, a terminal, and a network device are provided. The data receiving method includes: receiving a paging message; and when the paging message includes indication information indicating that downlink data of the terminal is to be sent, obtaining the downlink data of the terminal.
1. A data receiving method, applied to a terminal and comprising:
receiving a paging message; and
when the paging message comprises indication information indicating that downlink data of the terminal is to be sent, obtaining the downlink data of the terminal;
wherein before the receiving a paging message, the method further comprises:
receiving, from a network device, paging message configuration information and configuration information for receiving downlink data associated with the paging message configuration information; wherein
the configuration information for receiving the downlink data comprises:
indication information indicating whether to associate to-be-sent downlink data by using the paging message;
wherein the obtaining the downlink data of the terminal comprises:
obtaining, by the terminal in an idle or inactive state, through decoding the downlink data of the terminal from a media access control MAC protocol data unit PDU that carries the paging message;
or
the configuration information for receiving the downlink data comprises:
resource configuration information for sending the downlink data;
wherein the obtaining the downlink data of the terminal comprises:
receiving, by the terminal in an idle or inactive state, the downlink data of the terminal at a downlink data receiving location associated with the paging message, wherein the downlink data receiving location is indicated by the resource configuration information for sending the downlink data.
2. The method according to claim 1 , wherein the
downlink data of the terminal is decoded based on a preset data format.
3. The method according to claim 2 , wherein the preset data format is either of the following:
a data format 1: the MAC PDU comprises downlink data of one terminal; or,
a data format 2: the MAC PDU comprises downlink data of multiple terminals.
4. The method according to claim 3 , wherein in the data format 1 , the downlink data of the terminal is arranged after the paging message; or,
wherein in the data format 2 , the downlink data of the multiple terminals is arranged after the paging message in a terminal sequence indicated in the paging message; or,
wherein in the data format 2 , downlink data of each terminal is indicated by terminal identification information in a corresponding data header.
5. The method according to claim 1 , wherein
the configuration information for receiving the downlink data further comprises
identification information of the paging message.
6. The method according to claim 1 , wherein
the configuration information for receiving the downlink data further comprises:
identification information for sending the downlink data.
7. The method according to claim 1 , wherein before the receiving the downlink data of the terminal at a downlink data receiving location associated with the paging message, the method further comprises:
sending uplink indication information to the network device.
8. The method according to claim 7 , wherein a sending resource location of the uplink indication information is associated with the paging message; or,
wherein the uplink indication information comprises identification information of the terminal; or,
wherein a channel corresponding to the uplink indication information is any one of the following:
a physical random access channel PRACH;
a physical uplink shared channel PUSCH;
a physical uplink control channel PUCCH; or,
a sounding reference signal SRS.
9. The method according to claim 1 , wherein when downlink data of multiple terminals is received at the downlink data receiving location associated with the paging message, the receiving the downlink data of the terminal at a downlink data receiving location associated with the paging message comprises:
receiving, by using either of the following information, the downlink data of the terminal at the downlink data receiving location associated with the paging message:
identification information for distinguishing downlink data of different terminals; or,
a preset data packet format for distinguishing downlink data of different terminals.
10. A non-transitory computer-readable storage medium storing a program, wherein when the program is executed by a processor, steps in the data receiving method according to claim 1 are implemented.
11. A data sending method, applied to a network device and comprising:
sending a paging message to a terminal; and
when the paging message comprises indication information indicating that downlink data of the terminal is to be sent, sending the downlink data of the terminal;
wherein before the sending a paging message to a terminal, the method further comprises:
sending, to the terminal, paging message configuration information and configuration information for receiving downlink data associated with the paging message configuration information; wherein
the configuration information for receiving the downlink data comprises:
indication information indicating whether to associate to-be-sent downlink data by using the paging message;
wherein the sending the downlink data of the terminal comprises:
sending, to the terminal in an idle or inactive state, the downlink data of the terminal in a media access control MAC protocol data unit PDU that carries the paging message;
or
the configuration information for receiving the downlink data comprises:
resource configuration information for sending the downlink data;
wherein the sending the downlink data of the terminal comprises:
sending, to the terminal in an idle or inactive state, the downlink data of the terminal at a downlink data sending location associated with the paging message, wherein the downlink data sending location is indicated by the resource configuration information for sending the downlink data.
12. The method according to claim 11 , wherein the downlink data of the terminal is sent based on a preset data format.
13. The method according to claim 12 , wherein the preset data format is either of the following:
a data format 1: the MAC PDU comprises downlink data of one terminal; or,
a data format 2: the MAC PDU comprises downlink data of multiple terminals.
14. The method according to claim 11 , wherein
the configuration information for receiving the downlink data further comprises:
identification information of the paging message.
15. The method according to claim 11 , wherein
the configuration information for receiving the downlink data further comprises:
identification information for sending the downlink data.
16. The method according to claim 11 , wherein before the sending the downlink data of the terminal at a downlink data sending location associated with the paging message, the method further comprises:
receiving uplink indication information from the terminal.
17. The method according to claim 16 , wherein the sending the downlink data of the terminal at a downlink data sending location associated with the paging message comprises:
sending, based on the uplink indication information, the downlink data of the terminal at the downlink data sending location associated with the paging message.
18. A communication device, comprising: a memory, a processor, and a program that is stored in the memory and that can run on the processor, wherein when the program is executed by the processor, the following steps are implemented:
receiving a paging message; and
when the paging message comprises indication information indicating that downlink data of the terminal is to be sent, obtaining the downlink data of the terminal;
wherein before the receiving a paging message, the method further comprises:
receiving, from a network device, paging message configuration information and configuration information for receiving downlink data associated with the paging message configuration information; wherein
the configuration information for receiving the downlink data comprises:
indication information indicating whether to associate to-be-sent downlink data by using the paging message;
wherein the obtaining the downlink data of the terminal comprises:
obtaining, by the terminal in an idle or inactive state, through decoding the downlink data of the terminal from a media access control MAC protocol data unit PDU that carries the paging message;
or
the configuration information for receiving the downlink data comprises:
resource configuration information for sending the downlink data;
wherein the obtaining the downlink data of the terminal comprises:
receiving, by the terminal in an idle or inactive state, the downlink data of the terminal at a downlink data receiving location associated with the paging message, wherein the downlink data receiving location is indicated by the resource configuration information for sending the downlink data.