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2. 发明申请

US20160374087A1 ENHANCED CHANNEL CONTENTION SCHEMES FOR HIGH-EFFICIENCY WLAN 审中-公开
标题翻译：用于高效WLAN的增强通道连接方案
公开(公告)号：US20160374087A1
公开(公告)日：2016-12-22
申请号：US15181354
申请日：2016-06-13
申请人： MEDIATEK INC.
发明人： Jianhan Liu , RongSheng Huang , Li Ma , Chao-Chun Wang
IPC分类号： H04W72/04 , H04L27/26 , H04L5/00
CPC分类号： H04W72/0453 , H04L5/0007 , H04L27/2605 , H04W16/14 , H04W74/0808 , H04W84/12 , H04W88/02
摘要： A unified channel contention scheme is proposed such that spatial reuse can be enabled by a wireless station (STA) when a basic service set (BSS) color of a received signal cannot be resolved. If the detected frame is an intra-BSS frame, then the STA should not contend the channel for the PPDU duration. If the detected frame is an inter-BSS frame, then the STA uses OBSS Packet Detection (OBSS-PD) level as the CCA level for channel contention. Furthermore, when BSS color cannot be resolved, channel contention schemes for WiFi signal and non-WiFi signal are differentiated. If the received signal is detected as WiFi signal, then the STA uses WiFi-SIG Detection (WD) level as the CCA level for channel contention. If the received signal is detected as non-WiFi signal, then the STA uses Non-WiFi-SIG Detection (NWD) level as the CCA level for channel contention.
摘要翻译：提出了一种统一的信道争用方案，使得当接收信号的基本服务集（BSS）颜色不能被解析时，可以由无线站（STA）使能空间重用。如果检测到的帧是BSS内帧，则STA不应该对该PPDU持续时间进行竞争。如果检测到的帧是BSS间帧，则STA使用OBSS分组检测（OBSS-PD）级作为CCA级别进行信道争用。此外，当BSS颜色不能解决时，WiFi信号和非WiFi信号的信道争用方案是有区别的。如果接收到的信号被检测为WiFi信号，则STA使用WiFi-SIG检测（WD）级作为用于信道争用的CCA级别。如果接收到的信号被检测为非WiFi信号，则STA使用非WiFi-SIG检测（NWD）级作为用于信道争用的CCA级别。

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