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1. 发明授权

US08325644B2 Mixed mode preamble design for signaling number of streams per client 有权
标题翻译：用于每个客户端的信令数量的混合模式前导码设计
公开(公告)号：US08325644B2
公开(公告)日：2012-12-04
申请号：US12684258
申请日：2010-01-08
申请人： Hemanth Sampath , Richard Van Nee , Albert Van Zeist , Geert Arnout Awater
发明人： Hemanth Sampath , Richard Van Nee , Albert Van Zeist , Geert Arnout Awater
IPC分类号： H04W4/18
CPC分类号： H04L1/0028 , H04B7/0413 , H04L1/02
摘要： Certain aspects of the present disclosure present a technique for designing a signal (SIG) field of a mixed mode preamble transmitted to a plurality of user terminals. The SIG field can signal a number of spatial streams assigned to each user. The SIG field is designed such that a robust interference cancellation can be achieved at each user terminal.
摘要翻译：本公开的某些方面提供了一种用于设计发送到多个用户终端的混合模式前导码的信号（SIG）字段的技术。 SIG字段可以发送分配给每个用户的多个空间流。 SIG字段被设计为使得可以在每个用户终端处实现鲁棒的干扰消除。

2. 发明申请

US20100271992A1 WIRELESS CHANNEL CALIBRATION 有权
标题翻译：无线通道校准
公开(公告)号：US20100271992A1
公开(公告)日：2010-10-28
申请号：US12765164
申请日：2010-04-22
申请人： Maarten Menzo Wentink , Albert Van Zeist
发明人： Maarten Menzo Wentink , Albert Van Zeist
IPC分类号： H04B7/00
CPC分类号： H04B17/0062 , H04B7/0617 , H04B17/21
摘要： This document describes, among other things, a method that includes transmitting a calibration initiation frame from a first wireless communication device to a second wireless communication device that comprises a single space-time stream transmitter via a wireless communication medium. The method also includes receiving at the first wireless communication device an acknowledgement frame sent from the second wireless communication device after the second wireless communication device receives the calibration initiation frame. The method further includes transmitting a null data packet (NDP) frame from the first wireless communication device to the second wireless communication device after receiving the acknowledgement frame. In some implementations, the method also includes performing beamforming calibration of a wireless communication channel between the first wireless communication device and the second wireless communication device based on the acknowledgement frame.
摘要翻译：本文件尤其描述了一种方法，其包括将校准启动帧从第一无线通信设备发送到包括经由无线通信介质的单个时空流发送器的第二无线通信设备。该方法还包括在第二无线通信设备接收到校准启动帧之后，在第一无线通信设备处接收从第二无线通信设备发送的确认帧。该方法还包括：在接收到确认帧之后，从第一无线通信设备向第二无线通信设备发送空数据分组（NDP）帧。在一些实施方式中，该方法还包括基于确认帧对第一无线通信设备和第二无线通信设备之间的无线通信信道进行波束成形校准。

3. 发明授权

US08842587B2 Wireless channel calibration 有权
标题翻译：无线通道校准
公开(公告)号：US08842587B2
公开(公告)日：2014-09-23
申请号：US12765164
申请日：2010-04-22
申请人： Maarten Menzo Wentink , Albert Van Zeist
发明人： Maarten Menzo Wentink , Albert Van Zeist
IPC分类号： H04B7/00 , H04B17/00 , H04B7/06
CPC分类号： H04B17/0062 , H04B7/0617 , H04B17/21
摘要： This document describes, among other things, a method that includes transmitting a calibration initiation frame from a first wireless communication device to a second wireless communication device that comprises a single space-time stream transmitter via a wireless communication medium. The method also includes receiving at the first wireless communication device an acknowledgement frame sent from the second wireless communication device after the second wireless communication device receives the calibration initiation frame. The method further includes transmitting a null data packet (NDP) frame from the first wireless communication device to the second wireless communication device after receiving the acknowledgement frame. In some implementations, the method also includes performing beamforming calibration of a wireless communication channel between the first wireless communication device and the second wireless communication device based on the acknowledgement frame.
摘要翻译：本文件尤其描述了一种方法，其包括将校准启动帧从第一无线通信设备发送到包括经由无线通信介质的单个时空流发送器的第二无线通信设备。该方法还包括在第二无线通信设备接收到校准启动帧之后，在第一无线通信设备处接收从第二无线通信设备发送的确认帧。该方法还包括：在接收到确认帧之后，从第一无线通信设备向第二无线通信设备发送空数据分组（NDP）帧。在一些实施方式中，该方法还包括基于确认帧对第一无线通信设备和第二无线通信设备之间的无线通信信道进行波束成形校准。

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