This application provides a data transmission method, a terminal device and a network device, which includes: a terminal device determines reference information; the terminal device transmits a second channel state information CSI based on the comparison results of the reference information and the state parameters, in which the second CSI includes all the parameters in the first CSI or some of the parameters in the first CSI. The first CSI is a CSI that needs to be reported for the configuration of the network device for the terminal device. The state parameters include the transmission parameters of the upstream data, the parameters in the first CSI and at least one of the transmission parameters in the first CSI. The data transmission method, terminal device and network device of the embodiment of this application are beneficial to improving the transmission performance of CSI.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】2017.09....
【专利技术属性】
技术研发人员:李雪茹,张瑞齐,
申请(专利权)人:华为技术有限公司,
类型:发明
国别省市:广东,44
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