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    Complementary beamforming methods and apparatuses
    4.
    发明授权
    Complementary beamforming methods and apparatuses 有权
    互补波束成形方法和装置

    公开(公告)号：US08195242B2

    公开(公告)日：2012-06-05

    申请号：US13085335

    申请日：2011-04-12

    申请人： Vahid Tarokh ,  Yang-Seok Choi ,  Siavash Alamouti

    发明人： Vahid Tarokh ,  Yang-Seok Choi ,  Siavash Alamouti

    IPC分类号： H04B1/00

    CPC分类号： H01Q3/26 ,  H01Q1/246 ,  H04B7/0617 ,  H04W52/42

    摘要： Improved methods and apparatuses are provided to address a potential “hidden beam problem” in wireless communication systems employing smart antennas. The improved methods and apparatuses utilize complementary beamforming (CBF) techniques, such as, for example, Subspace Complementary Beamforming (SCBF), Complementary Superposition Beamforming (CSBF) and/or Single Beam Complementary Beamforming (SBCBF) techniques.

    摘要翻译： 提供了改进的方法和装置来解决使用智能天线的无线通信系统中的潜在的“隐患问题”。 改进的方法和装置利用互补波束成形（CBF）技术，例如子空间互补波束成形（SCBF），互补叠加波束成形（CSBF）和/或单波束互补波束成形（SBCBF）技术。

    Directed MIMO communications
    6.
    发明授权
    Directed MIMO communications 有权
    定向MIMO通信

    公开(公告)号：US08737511B2

    公开(公告)日：2014-05-27

    申请号：US13447139

    申请日：2012-04-13

    申请人： D. Brian Eidson ,  Ronald William Chaffee

    发明人： D. Brian Eidson ,  Ronald William Chaffee

    IPC分类号： H04B7/02 ,  H04L1/02

    CPC分类号： H04B7/088 ,  H04B7/0413 ,  H04B7/0695

    摘要： A system is disclosed that includes a plurality of m antenna arrays configured to receive a propagating radio frequency signal. Each antenna array includes a plurality of antenna elements and a beamformer configured to produce n different bi-directional beams using the plurality of antenna elements. The system includes a plurality of n multiple-input multiple-output transceivers (MIMO). Each MIMO transceiver includes a MIMO receiver configured to accept m received signals, wherein the i-th input signal to the j-th MIMO receiver corresponds to the j-th beam of the i-th antenna array. Each MIMO transceiver also includes a MIMO transmitter configured to provide m transmit signals, wherein the v-th output signal from the z-th MIMO transmitter corresponding to the z-th beam of the v-th antenna array is selected for transmission. m, n, v, and z are integer number values, and i=1, . . . , m, j=1, . . . , n, and v=1, . . . m.

    摘要翻译： 公开了一种包括被配置为接收传播的射频信号的多个m个天线阵列的系统。 每个天线阵列包括多个天线元件和波束形成器，其被配置为使用多个天线元件产生n个不同的双向波束。 该系统包括多个n个多输入多输出收发器（MIMO）。 每个MIMO收发器包括被配置为接收m个接收信号的MIMO接收机，其中到第j个MIMO接收机的第i个输入信号对应于第i个天线阵列的第j个波束。 每个MIMO收发器还包括被配置为提供m个发射信号的MIMO发射机，其中选择与第v个天线阵列的第z个波束相对应的来自第z个MIMO发射机的第v个输出信号用于发射。 m，n，v和z是整数值，i = 1，...。 。 。 ，m，j = 1，。 。 。 ，n和v = 1，。 。 。 m。

    Detecting wireless interlopers
    7.
    发明授权
    Detecting wireless interlopers 有权
    检测无线闯入者

    公开(公告)号：US08161528B2

    公开(公告)日：2012-04-17

    申请号：US10680965

    申请日：2003-10-07

    申请人： William J. Crilly, Jr.

    发明人： William J. Crilly, Jr.

    IPC分类号： G08B23/00 ,  H04M3/16

    CPC分类号： H04W24/00 ,  H04W16/28

    摘要： In an exemplary apparatus implementation, an apparatus includes: at least one processor; and one or more media including processor-executable instructions that are capable of being executed by the at least one processor, the processor-executable instructions adapted to direct the apparatus to perform actions including: monitoring at least one signal characteristic for multiple signals that relate to a single source address; and detecting a wireless interloper if a discrepancy is determined to exist with regard to the monitored at least one signal characteristic for the multiple signals. In an exemplary access station implementation, an access station is capable of ascertaining at least one signal characteristic for multiple signals, is configured to detect a wireless interloper with regard to a particular address by analyzing the ascertained at least one signal characteristic for the multiple signals, and is adapted to counter the detected wireless interloper.

    摘要翻译： 在示例性装置实现中，装置包括：至少一个处理器; 以及包括能够被至少一个处理器执行的处理器可执行指令的一个或多个媒体，所述处理器可执行指令适于引导所述设备执行动作，所述操作包括：监视与所述至少一个处理器相关的多个信号的至少一个信号特性 一个源地址; 以及如果针对所述多个信号的所述监测到的至少一个信号特性确定存在差异，则检测无线中继器。 在示例性接入站实现中，接入站能够确定多个信号的至少一个信号特性，被配置为通过分析确定的多个信号的至少一个信号特性来检测关于特定地址的无线中间站， 并且适于对所检测到的无线中继器进行计数。

    DIRECTED MIMO COMMUNICATIONS
    8.
    发明申请
    DIRECTED MIMO COMMUNICATIONS 有权
    指导性MIMO通信

    公开(公告)号：US20130272437A1

    公开(公告)日：2013-10-17

    申请号：US13447139

    申请日：2012-04-13

    申请人： Donald Brian Eidson ,  Ronald William Chaffee

    发明人： Donald Brian Eidson ,  Ronald William Chaffee

    IPC分类号： H04B7/02 ,  H04B1/02 ,  H04B1/06 ,  H04L27/28

    CPC分类号： H04B7/088 ,  H04B7/0413 ,  H04B7/0695

    摘要： A system is disclosed that includes a plurality of m antenna arrays configured to receive a propagating radio frequency signal. Each antenna array includes a plurality of antenna elements and a beamformer configured to produce n different bi-directional beams using the plurality of antenna elements. The system includes a plurality of n multiple-input multiple-output transceivers (MIMO). Each MIMO transceiver includes a MIMO receiver configured to accept m received signals, wherein the i-th input signal to the j-th MIMO receiver corresponds to the j-th beam of the i-th antenna array. Each MIMO transceiver also includes a MIMO transmitter configured to provide m transmit signals, wherein the v-th output signal from the z-th MIMO transmitter corresponding to the z-th beam of the v-th antenna array is selected for transmission. m, n, v, and z are integer number values, and i=1, . . . , m, j=1, . . . , n, and v=1, . . . m.

    摘要翻译： 公开了一种包括被配置为接收传播的射频信号的多个m个天线阵列的系统。 每个天线阵列包括多个天线元件和波束形成器，其被配置为使用多个天线元件产生n个不同的双向波束。 该系统包括多个n个多输入多输出收发器（MIMO）。 每个MIMO收发器包括被配置为接收m个接收信号的MIMO接收机，其中到第j个MIMO接收机的第i个输入信号对应于第i个天线阵列的第j个波束。 每个MIMO收发器还包括被配置为提供m个发射信号的MIMO发射机，其中选择与第v个天线阵列的第z个波束相对应的来自第z个MIMO发射机的第v个输出信号用于发射。 m，n，v和z是整数值，i = 1，...。 。 。 ，m，j = 1，。 。 。 ，n和v = 1，。 。 。 m。

    Signal communication coordination
    9.
    发明授权
    Signal communication coordination 有权
    信号通信协调

    公开(公告)号：US08289939B2

    公开(公告)日：2012-10-16

    申请号：US10700342

    申请日：2003-11-03

    申请人： Bobby Jose ,  Eduardo Casas ,  James Brennan ,  Praveen Mehrotra

    发明人： Bobby Jose ,  Eduardo Casas ,  James Brennan ,  Praveen Mehrotra

    IPC分类号： H04Q7/24

    CPC分类号： H04W72/1257 ,  H04W88/08

    摘要： An exemplary access station for wireless communications includes: a wireless input/output unit that is configured to establish multiple access points; and signal transmission/reception coordination logic that is capable of ascertaining that an access point of the multiple access points is receiving a signal and that is adapted to restrain at least one other access point of the multiple access points from transmitting another signal responsive to the ascertaining that the access point is receiving the signal. An exemplary method includes: monitoring multiple respective indicators acquired from multiple respective baseband units; detecting whether at least one respective indicator of the multiple respective indicators is affirmatively indicating that a signal is being received; and if so, providing at least one instruction to at least two medium access controllers of multiple respective medium access controllers, the at least one instruction restraining the at least two medium access controllers from causing a transmission.

    摘要翻译： 用于无线通信的示例性接入站包括：被配置为建立多个接入点的无线输入/输出单元; 以及信号发送/接收协调逻辑，其能够确定多个接入点的接入点正在接收信号，并且适于抑制多个接入点的至少一个其他接入点发送另一个信号，以响应于确定 接入点正在接收信号。 一种示例性方法包括：监视从多个相应基带单元获取的多个相应指示符; 检测所述多个相应指示符中的至少一个相应指示符是否肯定地指示正在接收信号; 如果是，则向多个相应媒体接入控制器的至少两个媒体接入控制器提供至少一条指令，所述至少一个指令限制所述至少两个媒体接入控制器引起传输。

    Complementary beamforming methods and apparatuses
    10.
    发明授权
    Complementary beamforming methods and apparatuses 有权
    互补波束成形方法和装置

    公开(公告)号：US07925303B2

    公开(公告)日：2011-04-12

    申请号：US11383167

    申请日：2006-05-12

    申请人： Vahid Tarokh ,  Yang-Seok Choi ,  Siavash Alamouti

    发明人： Vahid Tarokh ,  Yang-Seok Choi ,  Siavash Alamouti

    IPC分类号： H04M1/00

    CPC分类号： H01Q3/26 ,  H01Q1/246 ,  H04B7/0617 ,  H04W52/42

    摘要： Improved methods and apparatuses are provided to address a potential “hidden beam problem” in wireless communication systems employing smart antennas. The improved methods and apparatuses utilize complementary beamforming (CBF) techniques, such as, for example, Subspace Complementary Beamforming (SCBF), Complementary Superposition Beamforming (CSBF) and/or Single Beam Complementary Beamforming (SBCBF) techniques.

    摘要翻译： 提供了改进的方法和装置来解决使用智能天线的无线通信系统中的潜在的“隐患问题”。 改进的方法和装置利用互补波束成形（CBF）技术，例如子空间互补波束成形（SCBF），互补叠加波束成形（CSBF）和/或单波束互补波束成形（SBCBF）技术。