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1. 发明授权

US5909384A System for dynamically adapting the length of a filter 失效
标题翻译：用于动态调整过滤器长度的系统
公开(公告)号：US5909384A
公开(公告)日：1999-06-01
申请号：US726187
申请日：1996-10-04
申请人： Nir Tal , Nir Shapira , Ron Cohen
发明人： Nir Tal , Nir Shapira , Ron Cohen
IPC分类号： H03H21/00 , G06F17/10 , H04B3/23 , H04L25/03 , H04M9/08
CPC分类号： G06F17/10 , H04B3/23 , H04M9/082 , H04L2025/03585
摘要： A novel system by which the utilization of a central processing unit (CPU) in performing filtering operations can be reduced by shortening the filter's length thus degrading the performance of the system down to a predetermined level or threshold. The present invention is applicable to such systems that incorporate filters whereby shortening their length decreases the performance of the system and to such systems where a reliable quality criteria exists that can be measured during run time. A method iteratively minimizes the filter's length so that the quality criteria does not fall below a predetemined threshold level. In addition, a signal to noise ratio (SN) criteria is suggested for estimating the quality of the reception of communication signals. An implementation is suggested for the method in the particular case of an echo cancellation adaptive filter. In addition, a method for determining an immediate approximation of the echo canceler filter's length as opposed to finding it iteratively.
摘要翻译：可以通过缩短过滤器的长度，从而降低系统的性能降到预定的水平或阈值，从而可以减少利用中央处理单元（CPU）进行滤波操作的新型系统。本发明可应用于包括过滤器的这种系统，由此缩短其长度降低了系统的性能以及存在可在运行时间期间测量的可靠质量标准的系统。一种方法迭代地最小化过滤器的长度，使得质量标准不会低于预定阈值水平。另外，建议信噪比（SN）准则用于估计通信信号的接收质量。在回波消除自适应滤波器的特定情况下，建议用于该方法的实现。另外，用于确定回波消除器滤波器的长度的立即近似的方法，而不是迭代地发现它。

2. 发明授权

US06400782B2 Method of frequency domain filtering employing a real to analytic transform 有权
标题翻译：采用真实分析变换的频域滤波方法
公开(公告)号：US06400782B2
公开(公告)日：2002-06-04
申请号：US09758536
申请日：2001-01-10
申请人： Nir Tal , Nir Shapira , Ron Cohen
发明人： Nir Tal , Nir Shapira , Ron Cohen
IPC分类号： H04B110
CPC分类号： G06F17/10
摘要： The present invention discloses a novel scheme of performing frequency domain filtering that does not require a Hilbert transform and which is faster than equivalent FIR filtering schemes. Such a scheme has applications in implementing filters in voice band modems on OSP platforms and in numerous other applications as well. The scheme of the present invention is shown to be superior in term of CPU resource consumption and memory storage space when compared with an equivalent implementation using prior art time domain convolution techniques. The scheme of the present invention permits the delay buffer in the far end echo canceler to store the signal in real format rather than complex format, thus reducing memory requirements by half. The present invention implements a real to analytic fast convolution in the frequency domain which uses zero CPU resources.
摘要翻译：本发明公开了一种执行不需要希尔伯特变换并且比等效的FIR滤波方案更快的频域滤波的新颖方案。这种方案在OSP平台和许多其他应用中也可以应用于语音频带调制解调器中的滤波器。与使用现有技术的时域卷积技术的等效实现相比，本发明的方案在CPU资源消耗和存储器存储空间方面被证明是优越的。本发明的方案允许远端回波消除器中的延迟缓冲器以实际格式而不是复杂格式存储信号，从而将存储器需求减少一半。本发明实现了使用零CPU资源的频域中的真实分析快速卷积。

3. 发明授权

US10154502B2 Method for managing the spectrum of a multi-band wireless communication system 有权
公开(公告)号：US10154502B2
公开(公告)日：2018-12-11
申请号：US13544568
申请日：2012-07-09
申请人： Nir Shapira
发明人： Nir Shapira
IPC分类号： H04W74/00 , H04W72/08 , H04W88/06 , H04W36/06 , H04W24/00 , H04W72/02 , H04W28/18
摘要： System and method for managing the spectrum of a multi-channel wireless communication system. Information related to other channels and bands is exchanged between a client associated to a first channel of the multi-channel wireless communication system and a multi-channel access point. The information includes, inter alia, capabilities of the access point and the client, working channel information of the access point, link quality metrics of the client in the other bands etc.

4. 发明授权

US09287944B2 System and method for allowing multiple stations in a network to use MU-MIMO transmit beamforming 有权
标题翻译：允许网络中的多个站使用MU-MIMO发射波束成形的系统和方法
公开(公告)号：US09287944B2
公开(公告)日：2016-03-15
申请号：US13330282
申请日：2011-12-19
申请人： Nir Shapira
发明人： Nir Shapira
IPC分类号： H04B7/04 , H04W4/08 , H04L29/08 , H04B7/06 , H04W72/04 , H04W72/12
CPC分类号： H04B7/0452 , H04B7/0617 , H04L29/08387 , H04W4/08 , H04W72/046 , H04W72/121
摘要： System and method for Multi-User (MU) Multiple-Input-Multiple-Output (MIMO) transmission, the method including assigning to an originator station in a MU-MIMO wireless communication network, said originator station separate from a primary beamformer of the MU-MIMO communication network, permission for MU group management, and performing MU-MIMO transmission by the originator station to a plurality of stations in the MU-MIMO communication network.
摘要翻译：用于多用户（MU）多输入多输出（MIMO）传输的系统和方法，所述方法包括分配到MU-MIMO无线通信网络中的发起者站，所述发起者站与MU的主波束形成器分离 -MIMO通信网络，允许MU组管理，并且由发起者站对MU-MIMO通信网络中的多个站进行MU-MIMO传输。

5. 发明授权

US07751353B2 Device, system and method of securing wireless communication 有权
标题翻译：保护无线通信的设备，系统和方法
公开(公告)号：US07751353B2
公开(公告)日：2010-07-06
申请号：US11386879
申请日：2006-03-23
申请人： Nir Shapira , Gilad Rozen
发明人： Nir Shapira , Gilad Rozen
IPC分类号： H04B7/00
CPC分类号： H04L63/1475 , H04K3/28 , H04K3/41 , H04K3/45 , H04K3/825 , H04K2203/18 , H04K2203/32 , H04K2203/34 , H04L25/0204 , H04L25/0222 , H04L25/03343 , H04L2025/03414 , H04L2025/03426 , H04L2025/03802 , H04W12/02 , H04W12/12
摘要： Some demonstrative embodiments of the invention include methods, devices and/or systems to secure a wireless transmission. The method may include, for example, transmitting a noise transmission to be received by one or more destinations other than an intended destination of a packet during a time period corresponding to a duration of the packet. Other embodiments are described and claimed.
摘要翻译：本发明的一些演示实施例包括用于确保无线传输的方法，设备和/或系统。该方法可以包括例如在对应于分组的持续时间的时间段期间发送要由分组的预期目的地以外的一个或多个目的地接收的噪声传输。描述和要求保护其他实施例。

6. 发明授权

US07672400B2 Method of secure WLAN communication 有权
标题翻译：安全WLAN通信方法
公开(公告)号：US07672400B2
公开(公告)日：2010-03-02
申请号：US11319659
申请日：2005-12-29
申请人： Nir Shapira , Gilad Rozen
发明人： Nir Shapira , Gilad Rozen
IPC分类号： H04L27/00 , H04B1/00 , H04B7/00
CPC分类号： H04W52/265 , H04W52/20 , H04W52/241 , H04W52/267 , H04W52/346
摘要： Some demonstrative embodiments of the invention include a method device and/or system of secure communication in a wireless network using a spatial division multiple access transmission scheme. The method, according to some demonstrative embodiments may include allocating transmission power to N channels to be transmitted to one or more destination stations by N antennas, such that the power to be received by each one of the one or more destination stations is not greater, by more than a predefined power margin, than a minimum power required for reception at a desired quality of service. Other embodiments are described and claimed.
摘要翻译：本发明的一些演示实施例包括使用空分多址传输方案的无线网络中的安全通信的方法设备和/或系统。根据一些说明性实施例的该方法可以包括：通过N个天线向N个信道分配要发送到一个或多个目的地站的发射功率，使得由一个或多个目的地站中的每一个接收的功率不大，超过预期的功率余量，而不是在期望的服务质量下接收所需的最小功率。描述和要求保护其他实施例。

7. 发明申请

US20070153760A1 Method, apparatus and system of spatial division multiple access communication in a wireless local area network 审中-公开
标题翻译：无线局域网中空分多址通信的方法，装置和系统
公开(公告)号：US20070153760A1
公开(公告)日：2007-07-05
申请号：US11430136
申请日：2006-05-09
申请人： Nir Shapira
发明人： Nir Shapira
IPC分类号： H04J3/06
CPC分类号： H04W72/04 , H04B7/2681 , H04W36/18 , H04W56/0005 , H04W92/10
摘要： Some demonstrative embodiments of the invention include a method, apparatus, and system of performing simultaneous downlink transmission over a wireless medium to a plurality of wireless stations, using Spatial Division Multiple Access (SDMA) in a wireless local area network (WLAN). In one demonstrative embodiment of the invention, the method may include synchronizing transmission of first and second data frames to be received by first and second wireless stations, respectively, such that the transmissions of the first and second data frames end substantially simultaneously. Other embodiments are described and claimed.
摘要翻译：本发明的一些演示实施例包括在无线局域网（WLAN）中使用空分多址（SDMA）在多个无线站上执行通过无线介质的同时下行链路传输的方法，装置和系统。在本发明的一个演示实施例中，该方法可以包括分别同步由第一和第二无线站接收的第一和第二数据帧的传输，使得第一和第二数据帧的传输基本上同时终止。描述和要求保护其他实施例。

8. 发明授权

US09059821B2 Carrier grouping schemes for wireless local area networks 有权
标题翻译：无线局域网的载波分组方案
公开(公告)号：US09059821B2
公开(公告)日：2015-06-16
申请号：US13562323
申请日：2012-07-31
申请人： Nir Shapira
发明人： Nir Shapira
IPC分类号： H04L1/00 , H04W16/28 , H04B7/06
CPC分类号： H04L1/0027 , H04B7/0619 , H04L1/0026 , H04W16/28
摘要： A method in a receiver includes receiving from a transmitter a request to provide channel feedback relating to a communication channel between the transmitter and the receiver. A maximum latency after which the channel feedback is expected by the transmitter is assessed. A spectral resolution with which to calculate the channel feedback is selected based on the assessed maximum latency. The channel feedback is calculated with the selected spectral resolution, and the calculated channel feedback is sent to the transmitter within the maximum latency.
摘要翻译：接收机中的一种方法包括从发射机接收提供与发射机和接收机之间的通信信道有关的信道反馈的请求。评估发射机预期信道反馈的最大延迟。基于评估的最大延迟来选择用于计算信道反馈的频谱分辨率。通过所选频谱分辨率计算信道反馈，并将计算出的信道反馈在最大延迟内发送给发射机。

9. 发明授权

US08948683B2 Multi-mode phy-level wireless security 有权
标题翻译：多模式植物级无线安全
公开(公告)号：US08948683B2
公开(公告)日：2015-02-03
申请号：US13400158
申请日：2012-02-20
申请人： Yaron Shany , Nir Shapira
发明人： Yaron Shany , Nir Shapira
IPC分类号： H04K3/00
CPC分类号： H04K3/43 , H04K3/45 , H04K3/825 , H04K3/827 , H04K2203/32 , H04K2203/34
摘要： A method for communication includes, in a transmitter that transmits one or more data streams to respective target receivers and one or more jamming streams for preventing the data streams from being decoded by eavesdropping receivers, holding a definition of at least first and second transmission modes having respective, different first and second levels of security in preventing the data streams from being decoded by the eavesdropping receivers. One of the first and second transmission modes is selected for transmitting a data stream to a target receiver, by evaluating a selection criterion. The data stream and the jamming streams are transmitted via an antenna array using the selected transmission mode.
摘要翻译：一种用于通信的方法包括：在向相应目标接收机发送一个或多个数据流的发射机中，以及一个或多个干扰流，用于防止数据流被窃听接收机解码，保持至少第一和第二传输模式的定义具有各种不同的第一和第二级安全性，以防止数据流被窃听接收器解码。选择第一和第二传输模式之一，通过评估选择标准来将数据流发送到目标接收机。使用所选择的传输模式通过天线阵列传输数据流和干扰流。

10. 发明授权

US08874025B2 Time-varying PHY-level wireless security 有权
标题翻译：时变PHY级无线安全
公开(公告)号：US08874025B2
公开(公告)日：2014-10-28
申请号：US13400153
申请日：2012-02-20
申请人： Yaron Shany , Nir Shapira
发明人： Yaron Shany , Nir Shapira
IPC分类号： H04K3/00
CPC分类号： H04K3/43 , H04K3/45 , H04K3/825 , H04K3/827 , H04K2203/32 , H04K2203/34
摘要： A method for communication includes generating a data transmission including multiple successive parts in respective time intervals, for transmission to a target receiver. At least one jamming transmission is generated, having a configuration that varies over the respective time intervals corresponding to the parts of the data transmission, including at least first and second different configurations generated during respective first and second time intervals. The data transmission is transmitted to the target receiver using an antenna array, and the at least one jamming transmission is transmitted simultaneously using the antenna array.
摘要翻译：一种用于通信的方法包括在各个时间间隔内生成包括多个连续部分的数据传输，以传送到目标接收机。产生至少一个干扰传输，其具有在对应于数据传输的部分的各个时间间隔上变化的配置，包括在相应的第一和第二时间间隔期间产生的至少第一和第二不同配置。使用天线阵列将数据传输发送到目标接收机，并且使用天线阵列同时发送至少一个干扰传输。

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