The invention discloses an update method for reporting the time of channel state information, including: determining the first reference time of the first channel state information of the first channel and the first reference resource corresponding to the state information of the first channel; when the first reference resource is located at the time of the preset condition, the first channel state information is presented. The reporting time is updated to a second reporting time by the first reporting time, wherein the presupposition condition is that the time range between the moment of the first reference resource and the first reporting time is greater than or equal to a time threshold, and the first reporting time is different from the second reporting time. For reference resources of reference resources, the time interval between the first reporting time and the second reporting time is less than the time threshold. The embodiment of the invention also provides a communication device and a system. By adopting the embodiment of the invention, the reliability of data transmission and data transmission efficiency can be ensured.
【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】PCT国内申请,...
【专利技术属性】
技术研发人员:郑娟,官磊,成艳,
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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