The embodiment of the invention relates to the field of wireless communication technology, in particular to a data transmission method and access point and site, which is used to shorten the length of the physical head domain of multi-user messages and reduce the resources occupied by the physical head domain, so as to improve the data transmission efficiency. In one embodiment of the invention, the AP sends a request to send message, receive message clear to send AP, according to the position of the first identification of a first STA corresponding to the request message in all of the first identification in the first generation STA corresponding resource indication information, AP generates multiple user messages and sending instructions according to the information resources. So, the user receives multiple message STA according to the position of the first mark the corresponding request to send message all the first identification in determining resource allocation information of the corresponding STA, so no need to carry long existing technology in the domain of multi user STA logo head message, shortening the multi-user information field the length, to improve the efficiency of data transmission.
【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，...
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