Data transmission method for base station in licensed-assisted access cell and base station

基站在授权频谱辅助接入小区中的数据传输方法及基站

Abstract

本申请提供了基站在授权频谱辅助接入小区中的数据传输方法及基站。所述基站包括媒体接入控制层及物理层,所述方法包括:所述媒体接入控制层向所述物理层发送第一启动指示,所述第一启动指示用于指示所述物理层启动发送前侦听;所述媒体接入控制层向所述物理层发送第一协议数据单元,所述第一协议数据单元由所述媒体接入控制层根据无线链路控制层中的待发送数据构造;所述物理层根据所述第一启动指示启动发送前侦听,并在发送前侦听成功后,通过授权频谱辅助接入小区发送所述第一协议数据单元。采用本申请所提供的基站及数据传输方法,基站可以在授权频谱辅助接入小区中与WiFi设备进行无线资源竞争,并在竞争到无线资源后进行数据传输。
Provided are a data transmission method for a base station in a licensed-assisted access cell and a base station. The base station comprises a media access control layer and a physical layer. The method comprises: the media access control layer sending a first starting instruction to the physical layer, wherein the first starting instruction is used to instruct the physical layer to start pre-sending monitoring; the media access control layer sending a first protocol data unit to the physical layer, wherein the first protocol data unit is constructed by the media access control layer according to data to be sent in a radio link control layer; and the physical layer starting pre-sending monitoring according to the first starting instruction, and after the pre-sending monitoring is successful, sending the first protocol data unit via a licensed-assisted access cell. By means of the base station and the data transmission method provided in the present application, the base station can compete with a WiFi device in a licensed-assisted access cell for radio resources, and performs data transmission after the radio resources are obtained through competition.

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