The embodiment of this application discloses a method, device and system for data communication, which relates to the field of communication technology, to solve the problem of data transmission in the prior art that the Grant Free communication mechanism can not satisfy different business needs, only based on the size of data packets to be transmitted. Including: User equipment UE receives the packet filtering information sent by SMF entity, which includes the threshold of packet length and the instruction of packet fragmentation. If the UE determines that the length of the data packet to be transmitted is less than or equal to the threshold of the length of the data packet, and the data packet to be transmitted is not a data packet fragment, the UE determines that the data packet to be transmitted can use the unauthorized communication mechanism. The embodiment of this application is applied to the transmission of data packets.
【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】2017.04....
【专利技术属性】
技术研发人员:欧阳国威,金辉,段小嫣,何岳,窦凤辉,杨皓睿,
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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