数据传输方法、设备及系统技术方案

本申请实施例提供数据传输方法、设备及系统，用于降低数据传输时延。该方法包括：向接入网设备发送第一消息，该第一消息包括终端使用的前导序列；接收接入网设备发送的第二消息，该第二消息包括由接入网设备确认的该前导序列；响应于该第二消息，向接入网设备发送第三消息，该第三消息包括该终端的标识；接收接入网设备发送的第四消息，该第四消息包括用于指示该终端接入成功的竞争解决信息；其中，该第二消息或第四消息中的任一项还包括该终端的物理层下行调度信息或下行用户数据；或者，在接收该第二消息后进一步接收接入网设备发送的该终端的物理层下行调度信息。

Data transmission method, equipment and system

The embodiment of the application provides a data transmission method, device and system for reducing data transmission delay. The method includes: sending a first message to the access network device, the first message including the leading sequence used by the terminal; receiving a second message sent by the access network device, the second message including the leading sequence confirmed by the access network device; sending a third message to the access network device in response to the second message, the third message including the identification of the terminal; receiving the access network device The fourth message includes the competitive resolution information for indicating the successful access of the terminal, wherein any one of the second message or the fourth message also includes the physical layer downlink scheduling information or downlink user data of the terminal, or further receives the physical layer downlink scheduling information of the terminal sent by the access network device after receiving the second message.

【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。/n

【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：李军，铁晓磊，花梦，金哲，
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