Service data transmission method, network device, and terminal device

Abstract

The present disclosure relates to service data transmission methods, network devices, and terminal devices. One example method includes obtaining, by a network device, characteristic information of service data from a server, and determining, by the network device based on the characteristic information, scheduling information. The scheduling information is usable for transmitting or receiving the service data with a terminal device.

What is claimed is: 
     
         1 . A method performed at a network device side, comprising:
 obtaining characteristic information of service data from a server; and   determining, based on the characteristic information, scheduling information, wherein the scheduling information is usable for transmitting or receiving the service data with a terminal device.   
     
     
         2 . The method according to  claim 1 , wherein the service data is video service data. 
     
     
         3 . The method according to  claim 1 , wherein the characteristic information comprises at least one of cache capability information, data frame transmission interval information, refresh rate information, code compression rate information, video resolution information, bit rate information, play duration information, service data request period information, or mobility information. 
     
     
         4 . The method according to  claim 1 , wherein the method further comprises obtaining a data volume of the service data, and wherein determining, based on the characteristic information, the scheduling information comprises:
 determining the scheduling information based on the characteristic information and the data volume.   
     
     
         5 . The method according to  claim 4 , wherein the service data is video service data, and wherein obtaining the data volume of the service data comprises:
 obtaining refresh rate information of the service data, code compression rate information of the service data, and video resolution information of the service data; and   determining the data volume of the service data based on the refresh rate information, the code compression rate information, and the video resolution information.   
     
     
         6 . The method according to  claim 4 , wherein the service data is video service data, and wherein obtaining the data volume of the service data comprises:
 obtaining bit rate information of the service data and play duration information of the service data; and   determining the data volume of the service data based on the bit rate information and the play duration information.   
     
     
         7 . The method according to  claim 1 , wherein the scheduling information comprises at least one of resource configuration information, scheduling priority information, or multi-flow or multi-access configuration information. 
     
     
         8 . A network device, comprising:
 a receiver, the receiver configured to obtain characteristic information of service data from a server;   at least one processor; and   one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to determine, based on the characteristic information, scheduling information, wherein the scheduling information is usable for transmitting or receiving the service data with a terminal device.   
     
     
         9 . The network device according to  claim 8 , wherein the service data is video service data. 
     
     
         10 . The network device according to  claim 8 , wherein the characteristic information comprises at least one of cache capability information, data frame transmission interval information, refresh rate information, code compression rate information, video resolution information, bit rate information, play duration information, service data request period information, or mobility information. 
     
     
         11 . The network device according to  claim 8 , wherein the programming instructions are for execution by the at least one processor to:
 obtain a data volume of the service data; and   determine the scheduling information based on the characteristic information and the data volume.   
     
     
         12 . The network device according to  claim 11 , wherein the programming instructions are for execution by the at least one processor to:
 obtain refresh rate information of the service data, code compression rate information of the service data, and video resolution information of the service data; and   determine the data volume of the service data based on the refresh rate information, the code compression rate information, and the video resolution information.   
     
     
         13 . The network device according to  claim 11 , wherein the service data is video service data, and wherein the programming instructions are for execution by the at least one processor to:
 obtain bit rate information of the service data and play duration information of the service data; and   determine the data volume of the service data based on the bit rate information and the play duration information.   
     
     
         14 . The network device according to  claim 8 , wherein the scheduling information comprises at least one of resource configuration information, scheduling priority information, or multi-flow or multi-access configuration information. 
     
     
         15 . A server, comprising:
 a transmitter, the transmitter configured to transmit characteristic information of service data to a network device, wherein the characteristic information is usable for determining scheduling information, and wherein the scheduling information is usable for the network device transmitting or receiving the service data with a terminal device.   
     
     
         16 . The server according to  claim 15 , wherein the service data is video service data. 
     
     
         17 . The server according to  claim 15 , wherein the characteristic information comprises at least one of cache capability information, data frame transmission interval information, refresh rate information, code compression rate information, video resolution information, bit rate information, play duration information, service data request period information, or mobility information.