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Association establishment method and apparatus

專利號
US11770867B2
公開日期
2023-09-26
申請人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Ming Gan; Le Liu; Yunbo Li; Meilu Lin
IPC分類
H04W76/11; H04W74/00; H04W74/04; H04L1/1607; H04W72/04; H04W74/08; H04L5/00; H04W84/12
技術(shù)領(lǐng)域
sta,ap,identifier,ba,subchannel,message,aid,tid,frame,stas
地域： Shenzhen

摘要

An association establishment method and apparatus, for carrying out the method are described. The association establishment method includes broadcasting, by an access point (AP), a trigger frame, wherein the trigger frame is used to trigger one or more unassociated stations STAs to perform uplink data transmission and indicate one or more available subchannels for random accessing of the unassociated STAs. The method further includes receiving, by the AP, one or more association request messages sent on available subchannels acquired by the unassociated STAs. Thereafter, the AP broadcasts a multi-block acknowledgement M-BA frame, wherein the M-BA frame includes one or more pieces of association acknowledgement information and the association acknowledgement information is acknowledgement information of the association request message.

說明書

2. The M-BA frame further includes a statistical identifier, and the statistical identifier indicates a quantity of second STAs to which the AP sends acknowledgement requests by using a same piece of association acknowledgement information. On one hand, the statistical identifier may be located after the per traffic identifier information, and the AP may fixedly allocate bits to the statistical identifier. On the other hand, a block acknowledgement starting sequence is located after the per traffic identifier information, and the statistical identifier occupies a bit reserved in block acknowledgement starting sequence control in the M-BA frame. FIG. 7 is a schematic diagram of a block acknowledgement starting sequence control field according to an embodiment of the present invention. As shown in FIG. 7, the block acknowledgement starting sequence control includes 4 reserved bits and a starting sequence number. Therefore, when the starting sequence number is a special starting sequence number, for example, all 0s, the statistical identifier may be filled in the reserved bits. Notably, the statistical identifier may be further at another location of the M-BA frame. This is not limited in the present invention.

It should be noted that in this embodiment of the present invention, after per traffic identifier information, if a MAC address follows, a temporary identifier/first AID may be further included; or if multiple MAC addresses follow, multiple temporary identifiers/first AIDs may be further included. In this case, 0 needs to be filled to ensure that a bit quantity required by the foregoing content is a multiple of 8. That is, 1 byte is used as a unit, or 10 bytes are used as a unit.

權(quán)利要求

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