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1. 发明授权

US10075210B2 Measuring angle of incidence in an ultrawideband communication system 有权
公开(公告)号：US10075210B2
公开(公告)日：2018-09-11
申请号：US15310548
申请日：2014-05-23
申请人： DECAWAVE LTD.
发明人： Gavin Marrow , Michael McLaughlin , Ciaran McElroy
IPC分类号： H04B1/7163 , G01S3/02 , G01S3/46 , G01S3/48
CPC分类号： H04B1/71637 , G01S3/023 , G01S3/46 , G01S3/48
摘要： In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. During a carrier acquisition mode of operation, the samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of the channel impulse response (“CIR”) are developed. When a start-of-frame delimiter (“SFD”) is detected, the best CIR estimate is provided to a channel matched filter (“CMF”). During a data recovery mode of operation, the CMF filters channel-injected noise from the sample stream. Both carrier phase errors and data timing errors are continuously detected and corrected during both the carrier acquisition and data recovery modes of operation. The phase of the carrier can be determined by accumulating the correlator output before it is rotated by the carrier correction. By comparing the carrier phases of two receivers separated by a known distance, d, the angle of incidence, θ, of the signal can be determined.

2. 发明授权

US10054661B1 Method and system for updating configuration record of base station antenna 有权
公开(公告)号：US10054661B1
公开(公告)日：2018-08-21
申请号：US15676505
申请日：2017-08-14
申请人： Sprint Spectrum L.P.
发明人： Deveshkumar N. Rai , Satish Thumar , Jason P. Sigg
IPC分类号： H04W24/00 , G01S3/02
CPC分类号： G01S3/023 , G01S5/021
摘要： An RF fingerprint of the environment of a base station antenna will be regularly monitored, such as by regularly evaluating various RF metrics of uplink reflections of downlink transmission from the antenna. Through regular monitoring of the RF fingerprint, a baseline RF fingerprint could be established. And through continued monitoring of the RF fingerprint, an unexpected change in the RF fingerprint could then be detected, as an indication that the antenna's RF beam direction may have changed. In response to detecting the unexpected change in the antenna's RF fingerprint, the antenna's RF beam direction could then be newly determined, and the antenna's configuration record could be updated to indicate the newly determined RF beam direction.

3. 发明申请

US20160353224A1 Playback Based on Number of Listeners 审中-公开
标题翻译：基于听众数量的播放
公开(公告)号：US20160353224A1
公开(公告)日：2016-12-01
申请号：US15235598
申请日：2016-08-12
申请人： Sonos, Inc.
发明人： Jonathon Reilly , Niels Van Erven
IPC分类号： H04S7/00 , H04R27/00 , H04R3/04
CPC分类号： H04S7/303 , G01S3/023 , G01S3/80 , G06F3/165 , H04R3/04 , H04R27/00 , H04R29/001 , H04R29/008 , H04R2227/005 , H04R2430/01 , H04S7/301 , H04S7/302
摘要： Systems, methods, and apparatus to process audio signals based on a number of listeners are disclosed. An example implementation involves a playback device processing, via an audio processing component, an audio signal for playback according to a first audio characteristic. While processing the audio signal for playback according to the first audio characteristic, the playback device detects, via a location component, a number of listeners in a listening area. The playback device determines a second audio characteristic based on the detected number of listeners in the listening area, and after determining the second audio characteristic, processes, via the audio processing component, the audio signal for playback according to the second audio characteristic.
摘要翻译：公开了基于多个听众来处理音频信号的系统，方法和装置。示例性实现涉及通过音频处理组件来处理根据第一音频特性进行回放的音频信号的回放设备。在根据第一音频特征处理用于播放的音频信号的同时，回放设备经由位置组件检测收听区域中的多个听众。回放装置基于检测到的收听区域中的收听者的数量来确定第二音频特性，并且在确定第二音频特征之后，经由音频处理部件处理根据第二音频特性进行重放的音频信号。

4. 发明申请

US20160242135A1 Measuring Angle of Incidence in an Ultrawideband Communication System 审中-公开
标题翻译：测量超宽带通信系统中的发生角度
公开(公告)号：US20160242135A1
公开(公告)日：2016-08-18
申请号：US15135383
申请日：2016-04-21
申请人： Michael McLaughlin , Billy Verso
发明人： Michael McLaughlin , Billy Verso
IPC分类号： H04W56/00 , G01S3/46 , H04B1/7183 , H04L7/00 , H04B1/7163
CPC分类号： H04B1/71637 , G01S3/023 , G01S3/46 , G01S3/48 , H03M1/0607 , H03M1/12 , H03M1/34 , H04B1/7163 , H04B1/7183 , H04L7/0012 , H04W56/0035
摘要： In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. During a carrier acquisition mode of operation, the samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of the channel impulse response (“CIR”) are developed. When a start-of-frame delimiter (“SFD”) is detected, the best CIR estimate is provided to a channel matched filter (“CMF”). During a data recovery mode of operation, the CMF filters channel-injected noise from the sample stream. Both carrier phase errors and data timing errors are continuously detected and corrected during both the carrier acquisition and data recovery modes of operation. The phase of the carrier can be determined by accumulating the correlator output before it is rotated by the carrier correction. By comparing the carrier phases of two receivers separated by a known distance, d, the angle of incidence, θ, of the signal can be determined.
摘要翻译：在超宽带（“UWB”）接收机中，接收的UWB信号被周期性地数字化为一系列三进制样本。在载波采集操作模式期间，样本与预定的前同步码序列连续相关，以产生相关值。当该值超过预定阈值时，指示正在接收前导码序列，则开发出信道脉冲响应（“CIR”）的估计。当检测到起始帧定界符（“SFD”）时，将最佳CIR估计提供给信道匹配滤波器（“CMF”）。在数据恢复操作模式期间，CMF对来自样本流的信道注入噪声进行滤波。载波相位误差和数据定时误差在载波采集和数据恢复操作模式两者期间连续检测和校正。可以通过在通过载波校正旋转之前累加相关器输出来确定载波的相位。通过比较以已知距离d分开的两个接收器的载波相位，可以确定信号的入射角θ。

5. 发明授权

US09348009B2 Electromagnetic emitter emitting simultaneously along three orthogonal axes to detect object position and orientation 有权
标题翻译：电磁发射器沿三个正交轴同时发射，以检测物体的位置和方向
公开(公告)号：US09348009B2
公开(公告)日：2016-05-24
申请号：US13408827
申请日：2012-02-29
申请人： Yves Sontag
发明人： Yves Sontag
IPC分类号： G01S13/06 , G01S1/14 , F41G3/22 , G01S1/02 , G01S3/02 , G01S5/02
CPC分类号： G01S1/14 , F41G3/225 , G01S1/022 , G01S3/023 , G01S5/0247
摘要： An electromagnetic emission device for helmet position detection systems includes an electromagnetic emitter and control electronics, the emitter comprising three windings arranged perpendicularly, the processing electronics comprising three electronic chains each associated to a given winding and working simultaneously. Each electronic chain comprises closed-loop control means arranged such that the related signal generated comprises three analogue components: a first component, being the stimulus component, modulated at an “emission” frequency of the winding, each of the three emission frequencies being different from one winding to the next, and a second and a third component, referred to as correction components, modulated at an emission frequency of another winding, the phase and amplitude of which are calculated such as to compensate the parasitic signals received by said winding from the other two windings. Each winding in steady-state only emits electromagnetic radiation at its own emission frequency and at a predetermined phase and intensity.
摘要翻译：用于头盔位置检测系统的电磁发射装置包括电磁发射器和控制电子器件，发射器包括垂直布置的三个绕组，处理电子器件包括三个电子链，每个电子链与给定绕组相关联并同时工作。每个电子链包括闭环控制装置，其被布置为使得产生的相关信号包括三个模拟分量：作为激励分量的第一分量，以绕组的“发射”频率被调制，三个发射频率中的每一个不同于被称为校正分量的第二和第三分量被调制在另一个绕组的发射频率，其相位和幅度被计算为补偿由所述绕组接收的寄生信号，其他两个绕组。稳态中的每个绕组仅以其自身的发射频率和预定的相位和强度发射电磁辐射。

6. 发明授权

US09103855B2 Radiation signal measurement system for millimeter wave transceivers 有权
标题翻译：毫米波收发器辐射信号测量系统
公开(公告)号：US09103855B2
公开(公告)日：2015-08-11
申请号：US13650487
申请日：2012-10-12
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Randall M. Burnett, II , Hanyi Ding , Kai D. Feng , Donald J. Papae , Francis F. Szenher
IPC分类号： G01S7/40 , G01R29/08 , G01S3/02
CPC分类号： G01R29/0821 , G01S3/023 , G01S2007/4086
摘要： A radiation signal measurement system for millimeter wave transceivers is disclosed. Embodiments of the present invention utilize a laser to align the laser with an antenna. The transceiver is then moved into the path of the laser to align the laser with the transceiver. The transceiver or antenna orientation is changed such that the transceiver and antenna face each other, in an aligned position. Millimeter wave absorber material is applied to the inside and outside of the testing chamber to minimize reflections and interference from outside sources.
摘要翻译：公开了一种用于毫米波收发器的辐射信号测量系统。本发明的实施例利用激光将激光与天线对准。然后将收发器移动到激光器的路径中，以将激光器与收发器对准。收发器或天线方向改变，使得收发器和天线在对准的位置彼此面对。将毫米波吸收材料施加到测试室的内部和外部，以最小化来自外部源的反射和干扰。

7. 发明授权

US08410981B1 Managing dimensional error in a direction finding antenna array 有权
标题翻译：在寻找天线阵列的方向上管理尺寸误差
公开(公告)号：US08410981B1
公开(公告)日：2013-04-02
申请号：US13027879
申请日：2011-02-15
申请人： Kent A. Wernicke
发明人： Kent A. Wernicke
IPC分类号： G01S5/02
CPC分类号： G01S3/023 , G01S3/46
摘要： An antenna assembly may include an antenna array having a plurality of antenna elements generally arranged along an axis. The antenna array may include a first antenna element for receiving at least one signal from a signal source, and a second antenna element spaced a distance apart from the first antenna element for receiving the at least one signal from the signal source. The antenna assembly may also include a processor coupled with the antenna array for analyzing the at least one signal and utilizing the distance between the first antenna element and the second antenna element to determine at least one of a direction or a location of the signal source. The antenna assembly may further include a memory coupled with the processor for storing a correction factor, where the processor is configured to utilize the correction factor to determine the distance between the first antenna element and the second antenna element.
摘要翻译：天线组件可以包括具有通常沿轴线布置的多个天线元件的天线阵列。天线阵列可以包括用于从信号源接收至少一个信号的第一天线元件，以及与第一天线元件间隔开距离的第二天线元件，用于从信号源接收至少一个信号。天线组件还可以包括与天线阵列耦合的处理器，用于分析至少一个信号，并利用第一天线元件和第二天线元件之间的距离来确定信号源的方向或位置中的至少一个。天线组件还可以包括与处理器耦合以用于存储校正因子的存储器，其中处理器被配置为利用校正因子来确定第一天线元件和第二天线元件之间的距离。

8. 发明申请

US20130016011A1 SYSTEM AND METHOD FOR LOCATING A POINT IN SPACE 有权
标题翻译：在空间中定位点的系统和方法
公开(公告)号：US20130016011A1
公开(公告)日：2013-01-17
申请号：US13400206
申请日：2012-02-20
申请人： Adam Harriman
发明人： Adam Harriman
IPC分类号： H01Q3/00 , G01S3/02
CPC分类号： G01S3/44 , G01S3/023 , H01Q3/04 , H01Q3/26
摘要： A method for locating a point in a first region based on receipt of a rf signal from the point. An antenna array is in the first region at a first position rotatable about an axis. A series of phase-array patterns is provided for implementation with the antenna array to provide measures of rf signal strength. Each pattern provides a plurality of reference values as a function of angle. A plurality of the phase-array patterns are used to acquire, in the first region, a plurality of rf signal strength values based on reception of the rf signal. A set of correlation values is determined where each value is a correlation between signal strength reference values and rf signal strength values acquired based on reception of the rf signal from the point. The correlation values identify a direction relative to the first position along which the point is located.
摘要翻译：一种基于从该点接收到的rf信号来定位第一区域中的点的方法。天线阵列位于可绕轴线旋转的第一位置处的第一区域中。提供了一系列相位阵列图案，用于实现天线阵列以提供射频信号强度的测量。每个图案提供作为角度的函数的多个参考值。多个相位阵列图案用于在第一区域中基于rf信号的接收来获取多个rf信号强度值。确定一组相关值，其中每个值是基于从该点接收到的rf信号获得的信号强度参考值和rf信号强度值之间的相关性。相关值识别相对于该点所位于的第一位置的方向。

9. 发明授权

US08242951B2 System and method for generating a reference signal for phase calibration of a system 有权
标题翻译：用于产生用于系统的相位校准的参考信号的系统和方法
公开(公告)号：US08242951B2
公开(公告)日：2012-08-14
申请号：US12756311
申请日：2010-04-08
申请人： Ruy Lopes Brandao , Pal Meiyappan , Ruy C. Brandao , James Burton Jones , Mark Virtue , Paul Ferguson
发明人： Ruy Lopes Brandao , Pal Meiyappan , Ruy C. Brandao , James Burton Jones , Mark Virtue , Paul Ferguson
IPC分类号： G01S13/93 , G01S7/40
CPC分类号： G01S3/023 , G01S13/9303
摘要： A two-element array antenna system includes a first antenna element and a second antenna element. The first and second antenna elements respectively include first and second frequency multipliers. A transmitting, receiving, and processing (TRP) system is coupled to the first and second antenna elements via, respectively, a single first transmission element and a single second transmission element. The TRP system is configured to transmit to the first antenna element a first input signal at a sub-multiple of a first frequency, receive from the first frequency multiplier a first calibration signal based on the first input signal, transmit to the second antenna element a second input signal at a sub-multiple of the first frequency, receive from the second frequency multiplier a second calibration signal based on the second input signal, and determine, based on the calibration signals, a relative phase difference between the first and second transmission elements.
摘要翻译：双元件阵列天线系统包括第一天线元件和第二天线元件。第一和第二天线元件分别包括第一和第二频率乘法器。发射，接收和处理（TRP）系统分别经由单个第一传输元件和单个第二传输元件耦合到第一和第二天线元件。 TRP系统被配置为以第一频率的子倍数向第一天线元件发送第一输入信号，从第一倍频器接收基于第一输入信号的第一校准信号，向第二天线元件a发送第二输入信号以第一频率的子倍数从第二倍频器接收基于第二输入信号的第二校准信号，并且基于校准信号确定第一和第二传输元件之间的相对相位差。

10. 发明申请

US20120068877A1 SYSTEMS AND METHODS OF PROVIDING A TCAS PRIMARY RADAR 有权
标题翻译：提供TCAS主要雷达的系统和方法
公开(公告)号：US20120068877A1
公开(公告)日：2012-03-22
申请号：US12965738
申请日：2010-12-10
申请人： Gregory T. Stayton
发明人： Gregory T. Stayton
IPC分类号： G01S13/93
CPC分类号： G01S13/9303 , G01S3/023
摘要： Systems and related methods are delineated for employing a TCAS to provide a radar function for a UAS. One such system comprises a TCAS having at least a transceiver and an antenna, and a processor coupled to the transceiver for receiving signals generated from receipt of reflected energy received over the antenna, the reflected energy resulting from the one or more of a Mode S interrogation waveform and an ATCRBS interrogation waveform transmitted from the antenna.
摘要翻译：描述了使用TCAS为UAS提供雷达功能的系统和相关方法。一个这样的系统包括具有至少收发器和天线的TCAS，以及耦合到收发器的处理器，用于接收从接收天线接收的反射能量产生的信号，由模式S询问中的一个或多个产生的反射能量波形和从天线发送的ATCRBS询问波形。

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