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1. 发明授权

US09008677B2 Communication devices for multiple group communications 有权
标题翻译：用于多组通信的通信设备
公开(公告)号：US09008677B2
公开(公告)日：2015-04-14
申请号：US13299579
申请日：2011-11-18
申请人： Didier Johannes Richard Van Nee , Albert Van Zelst , Sameer Vermani , Vincent Knowles Jones, IV , Simone Merlin
发明人： Didier Johannes Richard Van Nee , Albert Van Zelst , Sameer Vermani , Vincent Knowles Jones, IV , Simone Merlin
IPC分类号： H04B1/00 , H04W72/00 , H04B7/00 , H04M1/00 , H04B7/04 , H04B7/06
CPC分类号： H04B7/0452 , H04B7/0434 , H04B7/0615 , H04B7/0617 , H04B7/0626 , H04B7/0697
摘要： A base station for communicating with multiple groups of wireless communication devices is described. The base station includes a processor and executable instructions stored in memory that is in electronic communication with the processor. The base station determines a number of wireless communication devices. The base station also splits the number of wireless communication devices into groups. The base station further determines a precoding matrix for each group. The base station additionally transmits a beamformed signal to each group using the precoding matrix for each group.
摘要翻译：描述了用于与多组无线通信设备进行通信的基站。基站包括存储在与处理器电子通信的存储器中的处理器和可执行指令。基站确定多个无线通信设备。基站还将无线通信设备的数量分组。基站进一步确定每个组的预编码矩阵。基站使用每个组的预编码矩阵另外向每个组发送波束形成的信号。

2. 发明申请

US20120315938A1 COMMUNICATION DEVICES FOR MULTIPLE GROUP COMMUNICATIONS 有权
标题翻译：多组通信通信设备
公开(公告)号：US20120315938A1
公开(公告)日：2012-12-13
申请号：US13299579
申请日：2011-11-18
申请人： Didier Johannes Richard Van Nee , Albert Van Zelst , Sameer Vermani , Vincent Knowles Jones, IV , Simone Merlin
发明人： Didier Johannes Richard Van Nee , Albert Van Zelst , Sameer Vermani , Vincent Knowles Jones, IV , Simone Merlin
IPC分类号： H04B7/24
CPC分类号： H04B7/0452 , H04B7/0434 , H04B7/0615 , H04B7/0617 , H04B7/0626 , H04B7/0697
摘要： A base station for communicating with multiple groups of wireless communication devices is described. The base station includes a processor and executable instructions stored in memory that is in electronic communication with the processor. The base station determines a number of wireless communication devices. The base station also splits the number of wireless communication devices into groups. The base station further determines a precoding matrix for each group. The base station additionally transmits a beamformed signal to each group using the precoding matrix for each group.
摘要翻译：描述了用于与多组无线通信设备进行通信的基站。基站包括存储在与处理器电子通信的存储器中的处理器和可执行指令。基站确定多个无线通信设备。基站还将无线通信设备的数量分组。基站进一步确定每个组的预编码矩阵。基站使用每个组的预编码矩阵另外向每个组发送波束形成的信号。

3. 发明申请

US20120087316A1 PROTECTION MECHANISMS FOR MULTI-USER MIMO TRANSMISSIONS 有权
公开(公告)号：US20120087316A1
公开(公告)日：2012-04-12
申请号：US13076083
申请日：2011-03-30
申请人： Simone Merlin , Santosh Paul Abraham , Hemanth Sampath , Vincent Knowles Jones, IV , Maarten Menzo Wentink , Mohammad Hossein Taghavi Nasrabadi , Sameer Vermani , Didier Johannes Richard Van Nee
发明人： Simone Merlin , Santosh Paul Abraham , Hemanth Sampath , Vincent Knowles Jones, IV , Maarten Menzo Wentink , Mohammad Hossein Taghavi Nasrabadi , Sameer Vermani , Didier Johannes Richard Van Nee
IPC分类号： H04W72/04
CPC分类号： H04W28/26 , H04W74/002 , H04W74/0833
摘要： Certain aspects of the present disclosure relate to techniques for medium reservation in the case of multi-user (MU) communications. Multiple mechanisms are supported for protecting MU transmissions, wherein appropriate control messages can be exchanged between an access point and served user stations before transmitting downlink data packets.

4. 发明授权

US08989066B2 Protection mechanisms for multi-user MIMO transmissions 有权
标题翻译：多用户MIMO传输的保护机制
公开(公告)号：US08989066B2
公开(公告)日：2015-03-24
申请号：US13076083
申请日：2011-03-30
申请人： Simone Merlin , Santosh Paul Abraham , Hemanth Sampath , Vincent Knowles Jones, IV , Maarten Menzo Wentink , Mohammad Hossein Taghavi Nasrabadi , Sameer Vermani , Didier Johannes Richard Van Nee
发明人： Simone Merlin , Santosh Paul Abraham , Hemanth Sampath , Vincent Knowles Jones, IV , Maarten Menzo Wentink , Mohammad Hossein Taghavi Nasrabadi , Sameer Vermani , Didier Johannes Richard Van Nee
IPC分类号： H04B7/00 , H04W28/26 , H04W74/00 , H04W74/08
CPC分类号： H04W28/26 , H04W74/002 , H04W74/0833
摘要： Certain aspects of the present disclosure relate to techniques for medium reservation in the case of multi-user (MU) communications. Multiple mechanisms are supported for protecting MU transmissions, wherein appropriate control messages can be exchanged between an access point and served user stations before transmitting downlink data packets.
摘要翻译：本公开的某些方面涉及在多用户（MU）通信的情况下用于媒体预约的技术。支持多种机制来保护MU传输，其中在传输下行链路数据分组之前，可以在接入点和服务用户站之间交换适当的控制消息。

5. 发明申请

US20120051287A1 IMPLICIT AND EXPLICIT CHANNEL SOUNDING FOR BEAMFORMING 有权
标题翻译：用于光束的隐含和明确的通道声音
公开(公告)号：US20120051287A1
公开(公告)日：2012-03-01
申请号：US13220208
申请日：2011-08-29
申请人： Simone Merlin , Didier Johannes Richard Van Nee , Albert Van Zelst
发明人： Simone Merlin , Didier Johannes Richard Van Nee , Albert Van Zelst
IPC分类号： H04L27/28 , H04B15/00 , H03D1/04 , H04L27/06 , H04L25/49 , H04W4/00
CPC分类号： H04B7/0617 , H04B7/0619 , H04L25/0204 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L25/03343 , H04L27/2657 , H04L27/2675 , H04L2025/03783 , H04L2025/03808
摘要： A communication device for transmitting beamformed signals using implicit channel sounding is described. The communication device includes a processor and instructions stored in memory. The communication device receives one or more sounding signals and computes a channel estimate based on the one or more sounding signals. Frequency offset compensation is applied to the channel estimate by the communication device. The communication device also computes a precoding matrix based on the channel estimate and transmits a beamformed signal using the precoding matrix. Another communication device for receiving beamformed signals using explicit channel sounding is also described. The communication device includes a processor and instructions stored in memory. The communication device receives one or more sounding signals, computes a channel estimate based on the one or more sounding signals and applies amplitude compensation to the channel estimate. The communication device also sends estimated channel data and receives a beamformed signal.
摘要翻译：描述了使用隐式信道探测发送波束形成信号的通信设备。通信设备包括处理器和存储在存储器中的指令。通信设备接收一个或多个探测信号，并且基于一个或多个探测信号来计算信道估计。频率偏移补偿被通信装置应用于信道估计。通信设备还基于信道估计来计算预编码矩阵，并使用预编码矩阵发送波束形成的信号。还描述了使用显式通道探测接收波束形成信号的另一通信设备。通信设备包括处理器和存储在存储器中的指令。通信设备接收一个或多个探测信号，基于一个或多个探测信号计算信道估计，并对信道估计应用振幅补偿。通信设备还发送估计的信道数据并接收波束形成的信号。

6. 发明申请

US20110299468A1 FORMAT OF VHT-SIG-B AND SERVICE FIELDS IN IEEE 802.11AC 有权
标题翻译： IEEE 802.11AC中的VHT-SIG-B格式和服务字段
公开(公告)号：US20110299468A1
公开(公告)日：2011-12-08
申请号：US13149411
申请日：2011-05-31
申请人： Didier Johannes Richard Van Nee , Albert Van Zelst , Simone Merlin , Hemanth Sampath
发明人： Didier Johannes Richard Van Nee , Albert Van Zelst , Simone Merlin , Hemanth Sampath
IPC分类号： H04W4/00
CPC分类号： H04L27/2613
摘要： Methods and apparatus for transmitting and receiving frames with various Very High Throughput Signal B (VHT-SIG-B) and Service field formats are provided. Some of these formats may be in accordance with the IEEE 802.11ac amendment to the wireless local area network (WLAN) standard.
摘要翻译：提供了用各种超高吞吐量信号B（VHT-SIG-B）和服务字段格式发送和接收帧的方法和装置。这些格式中的一些可能符合IEEE 802.11ac对无线局域网（WLAN）标准的修改。

7. 发明授权

US09083408B2 Implicit and explicit channel sounding for beamforming 有权
标题翻译：用于波束成形的隐式和显式的声道探测
公开(公告)号：US09083408B2
公开(公告)日：2015-07-14
申请号：US13220208
申请日：2011-08-29
申请人： Simone Merlin , Didier Johannes Richard Van Nee , Albert Van Zelst
发明人： Simone Merlin , Didier Johannes Richard Van Nee , Albert Van Zelst
IPC分类号： H04B1/10 , H04B7/06 , H04L25/02 , H04L25/03 , H04L27/26
CPC分类号： H04B7/0617 , H04B7/0619 , H04L25/0204 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L25/03343 , H04L27/2657 , H04L27/2675 , H04L2025/03783 , H04L2025/03808
摘要： A communication device for transmitting beamformed signals using implicit channel sounding is described. The communication device includes a processor and instructions stored in memory. The communication device receives one or more sounding signals and computes a channel estimate based on the one or more sounding signals. Frequency offset compensation is applied to the channel estimate by the communication device. The communication device also computes a precoding matrix based on the channel estimate and transmits a beamformed signal using the precoding matrix. Another communication device for receiving beamformed signals using explicit channel sounding is also described. The communication device includes a processor and instructions stored in memory. The communication device receives one or more sounding signals, computes a channel estimate based on the one or more sounding signals and applies amplitude compensation to the channel estimate. The communication device also sends estimated channel data and receives a beamformed signal.
摘要翻译：描述了使用隐式信道探测发送波束形成信号的通信设备。通信设备包括处理器和存储在存储器中的指令。通信设备接收一个或多个探测信号，并且基于一个或多个探测信号来计算信道估计。频率偏移补偿被通信装置应用于信道估计。通信设备还基于信道估计来计算预编码矩阵，并使用预编码矩阵发送波束形成的信号。还描述了使用显式通道探测接收波束形成信号的另一通信设备。通信设备包括处理器和存储在存储器中的指令。通信设备接收一个或多个探测信号，基于一个或多个探测信号计算信道估计，并对信道估计应用振幅补偿。通信设备还发送估计的信道数据并接收波束形成的信号。

8. 发明授权

US08867574B2 Format of VHT-SIG-B and service fields in IEEE 802.11AC 有权
标题翻译： IEEE 802.11AC中VHT-SIG-B和业务字段的格式
公开(公告)号：US08867574B2
公开(公告)日：2014-10-21
申请号：US13149411
申请日：2011-05-31
申请人： Didier Johannes Richard Van Nee , Albert Van Zelst , Simone Merlin , Hemanth Sampath
发明人： Didier Johannes Richard Van Nee , Albert Van Zelst , Simone Merlin , Hemanth Sampath
IPC分类号： H04W80/00 , H04L27/26
CPC分类号： H04L27/2613
摘要： Methods and apparatus for transmitting and receiving frames with various Very High Throughput Signal B (VHT-SIG-B) and Service field formats are provided. Some of these formats may be in accordance with the IEEE 802.11ac amendment to the wireless local area network (WLAN) standard.
摘要翻译：提供了用各种超高吞吐量信号B（VHT-SIG-B）和服务字段格式发送和接收帧的方法和装置。这些格式中的一些可能符合IEEE 802.11ac对无线局域网（WLAN）标准的修改。

9. 发明申请

US20120300864A1 CHANNEL ESTIMATION BASED ON COMBINED CALIBRATION COEFFICIENTS 审中-公开
标题翻译：基于组合校准系数的通道估计
公开(公告)号：US20120300864A1
公开(公告)日：2012-11-29
申请号：US13186321
申请日：2011-07-19
申请人： Simone Merlin , Didier Johannes Richard Van Nee , Albert van Zelst
发明人： Simone Merlin , Didier Johannes Richard Van Nee , Albert van Zelst
IPC分类号： H04L27/28
CPC分类号： H04L25/0204 , H04B7/0617 , H04B7/0857 , H04L25/0228
摘要： Calibration coefficients are combined to provide more robust calibration. In some implementations, calibration coefficients are generated by acquiring two or more sets of calibration coefficients that are associated with different periods of time, different receive devices, or some other condition. These different sets of calibration coefficients are then combined using maximal ratio combining or some other suitable technique. The resulting combined calibration coefficients are used to calibrate implicit channel estimates.
摘要翻译：校准系数被组合以提供更强大的校准。在一些实施方式中，通过获取与不同时间段，不同接收设备或某些其他条件相关联的两组或多组校准系数来生成校准系数。然后使用最大比组合或一些其它合适的技术来组合这些不同的校准系数集合。所得到的组合校准系数用于校准隐式通道估计。

10. 发明授权

US09112741B2 Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems 有权
标题翻译：在多用户通信系统中支持自适应站相关信道状态信息反馈速率的协议
公开(公告)号：US09112741B2
公开(公告)日：2015-08-18
申请号：US12883938
申请日：2010-09-16
申请人： Gregory A. Breit , Santosh Paul Abraham , Sameer Vermani , Hemanth Sampath , Simone Merlin , Didier Johannes Richard Van Nee
发明人： Gregory A. Breit , Santosh Paul Abraham , Sameer Vermani , Hemanth Sampath , Simone Merlin , Didier Johannes Richard Van Nee
IPC分类号： H04L1/00 , H04L25/03 , H04B7/04 , H04B7/06 , H04J3/16 , H04L5/00 , H04L25/02
CPC分类号： H04L25/03343 , H04B7/0452 , H04B7/0626 , H04L1/0026 , H04L1/0027 , H04L1/0033 , H04L5/0048 , H04L25/0204 , H04L25/0222 , H04L25/0228 , H04L2025/03426 , H04L2025/03802
摘要： Methods and apparatuses are proposed for supporting one or more user-dependent channel state information (CSI) feedback rates in a downlink spatial division multiple access (SDMA) system. For certain aspects, an access point (AP) may receive a channel evolution feedback from one or more stations and send a request for CSI to the stations whose CSI values need to be updated. For certain aspects, the AP may poll the stations for updated CSI values. For certain aspects, deterministic back-off timers may be assigned to the stations indicating when to send their CSI feedback. The proposed methods may improve system performance.
摘要翻译：提出了用于支持下行链路空分多址（SDMA）系统中的一个或多个用户相关信道状态信息（CSI）反馈速率的方法和装置。对于某些方面，接入点（AP）可以从一个或多个站接收信道演进反馈，并将CSI请求发送到其CSI值需要更新的站。对于某些方面，AP可以轮询站点以获得更新的CSI值。对于某些方面，确定性退避定时器可以分配给指示何时发送其CSI反馈的站。所提出的方法可以提高系统性能。

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