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Reception of management frames for multiple basic services sets (BSSs)

專利號
US11399352B2
公開日期
2022-07-26
申請人
QUALCOMM Incorporated(US CA San Diego)
發(fā)明人
Abhishek Pramod Patil; Yongchun Xiao; Ravi Gidvani; Sandip HomChaudhuri; Pradeep Kumar Yenganti; Arul Davidson Emmanuel; James Simon Cho; Padmanabhan Venkataraman Karthic; George Cherian; Alfred Asterjadhi; Jouni Kalevi Malinen
IPC分類
H04W56/00; H04W84/12; H04L5/00
技術(shù)領(lǐng)域
bss,nontxbssid,management,bssid,frame,profile,dtim,sta,vap,may
地域: CA CA San Diego

摘要

This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for analyzing management frames for multiple basic service sets (BSSs). In one aspect, a wireless node may obtain a first management frame from a wireless local area network (WLAN) apparatus, the WLAN apparatus operating multiple virtual access points (VAPs) respectively corresponding to multiple BSSs. The wireless node may determine whether the first management frame includes a BSS profile of a BSS associated with the wireless node based, at least in part, on an arrangement of a plurality of BSS profiles within one or more management frames. The wireless node may determine to further process the first management frame based, at least in part, on a determination that the first management frame includes the BSS profile of the BSS associated with the wireless node.

說明書

A management frame transmitted by the Tx VAP may include a Multiple BSSID element that includes profile information (which may also be referred to as “BSS profiles” or “NonTxBSSID profiles”) regarding the NonTxBSSIDs in the Multiple BSSID set. A STA may receive the management frame to learn about the TxBSSID and any of the other BSSs (NonTxBSSIDs) identified in the management frame. The management frame may include a partial list of the NonTxBSSID profiles in the Multiple BSSID set or a complete list of the NonTxBSSID profiles in the Multiple BSSID set. In some scenarios, the management frame may not be large enough (in terms of permitted transmission size) to include a complete list of the NonTxBSSID profiles. The Tx VAP may signal one or more partial lists. For example, the first VAP may break the complete list of NonTxBSSIDs into different partial lists that are sent in consecutive management frames. In some implementations, the first VAP may include an indication of whether the management frame includes a complete list or a partial list. The first VAP may also inform the STA how many BSSIDs are actually implemented in the Multiple BSSID set. By knowing a quantity (or count) of BSSIDs in the Multiple BSSID set, the STA can unambiguously determine whether the STA has learned about all the BSSIDs in the Multiple BSSID set even if the STA has received one or more partial lists.

權(quán)利要求

1
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