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1. 发明申请

US20230058234A1 DETERMINING LOCATION INFORMATION USING CYCLOSPECTRAL DETECTION 有权
公开(公告)号：US20230058234A1
公开(公告)日：2023-02-23
申请号：US17713668
申请日：2022-04-05
申请人： Michael Charles Kleder
发明人： Michael Charles Kleder
IPC分类号： G01S1/08 , G01S3/52
摘要： A method is disclosed to receive a signal, in a receiver from a transmitter (e.g., over a period of time). The signal propagates from the transmitter to the receiver in a direction of propagation. The receiver may move in a direction of motion relative to the transmitter. The signal includes a cyclic feature. The method may determine a change rate of a Doppler shift of the cyclic feature in the received signal. The method may determine, based on the change rate of the Doppler shift of the cyclic feature, an angle between the direction of motion of the receiver and the direction of propagation, the range between the receiver and the transmitter, and/or the locations of the transmitter and/or receiver.

2. 发明授权

US11456788B2 Beam direction selection for a radio communications device 有权
公开(公告)号：US11456788B2
公开(公告)日：2022-09-27
申请号：US16318053
申请日：2016-07-15
申请人： Telefonaktiebolaget LM Ericsson (publ)
发明人： Magnus Thurfjell , Henrik Asplund , Jonas Medbo , Peter Ökvist , Nima Seifi , Arne Simonsson
IPC分类号： H04B7/06 , H01Q3/24 , H01Q21/28 , H04B7/0456 , G01S3/04 , G01S3/52
摘要： Mechanisms for selecting beam direction for a radio communications device are provided. A method is performed by the radio communications device. The method includes obtaining radio channel estimates of a radio channel on which radio waves have been transmitted between the radio communications device and another radio communications device at an angle of arrival and departure. The method includes determining a Doppler shift from the radio channel estimates. The method includes estimating at least one of the angle of arrival and departure of the radio waves based on the Doppler shift. The method includes selecting a beam direction for a signal to be transmitted between the radio communications device and this another radio communications device over the radio channel according to the estimated angle of arrival or departure.

3. 发明授权

US10838035B2 Characterizing multipath delays in antenna array and synthetic aperture radar systems 有权
公开(公告)号：US10838035B2
公开(公告)日：2020-11-17
申请号：US14579365
申请日：2014-12-22
申请人： Massachusetts Institute of Technology
发明人： Swarun Suresh Kumar , Dina Katabi
IPC分类号： G01S3/14 , G01S3/46 , G01S3/48 , G01S3/52 , G01S13/48 , G01S5/02 , G01S19/24 , G01S19/14 , G01S13/90 , G01S3/72 , H04L27/26 , G01S3/04 , H04W64/00
CPC分类号： G01S3/14 , G01S3/46 , G01S3/48 , G01S3/52 , G01S5/0273 , G01S13/48 , G01S3/04 , G01S3/72 , G01S13/9023 , G01S13/9082 , G01S19/14 , G01S19/24 , H04L27/2601 , H04W64/00
摘要： Multiple radio transmissions are processed to determine, for each of a number of directions of arrival of the radio transmissions, a most direct direction of arrival, for example, to distinguish a direct path from a reflected path from the target. In some examples, the radio transmissions include multiple frequency components, and channel characteristics at different frequencies are compared to determine the direct path.

4. 发明授权

US10267895B1 Doppler-assisted sensor fusion 有权
公开(公告)号：US10267895B1
公开(公告)日：2019-04-23
申请号：US14927138
申请日：2015-10-29
申请人： National Technology & Engineering Solutions of Sandia, LLC
发明人： Richard M. Naething , Richard C. Ormesher
IPC分类号： G01S5/02 , G01S5/04 , G01S3/46 , G01S3/52
摘要： Various technologies for identifying RF emitters in geolocation datasets are described herein. Doppler signatures of RF emitters and geolocation data of objects in a scene are collected simultaneously, then range-rate profiles of the movement of the RF emitters and the objects in the scene are computed. An RF emitter is identified in a geolocation dataset by comparing the motion of the RF emitter with the motion of an object in the scene as described by the respective range-rate profiles.

5. 发明授权

US08260324B2 Establishing wireless links via orientation 有权
标题翻译：通过定向建立无线链路
公开(公告)号：US08260324B2
公开(公告)日：2012-09-04
申请号：US11761803
申请日：2007-06-12
申请人： Joni Jorma Marius Jantunen , Kimmo Heikki Juhana Kalliola , Antti Paavo Tapani Kainulainen
发明人： Joni Jorma Marius Jantunen , Kimmo Heikki Juhana Kalliola , Antti Paavo Tapani Kainulainen
IPC分类号： H04W24/00 , G01S3/52 , G01S5/02 , G01S5/04
CPC分类号： H04W8/005 , H04W64/00 , H04W76/10
摘要： A system for establishing a wireless link from a wireless communication device (WCD) to at least one target device. The process of both identifying the target device and establishing a link to this device may incorporate the orientation and/or movement of the WCD into the procedure in lieu of the extensive use of traditional menu interfaces. A WCD may interpret a combination of orientation and/or movement as an approximate target device location that may be utilized to narrow the total population of all located devices into a subset containing those devices located within of near the approximate target device location. The subset of devices may be formulated and displayed as potential target devices for selection by a user. If any of the potential target devices are known by the WCD, a link may be established automatically.
摘要翻译：一种用于建立从无线通信设备（WCD）到至少一个目标设备的无线链路的系统。识别目标设备和建立到该设备的链接的过程可以将WCD的方向和/或移动结合到该过程中，以代替广泛使用传统菜单界面。 WCD可以将取向和/或移动的组合解释为可用于将所有定位的设备的总总体缩小到包含位于近似目标设备位置附近的那些设备的子集的近似目标设备位置。可以将设备的子集配制并显示为用户选择的潜在目标设备。如果WCD已知任何潜在的目标设备，则可以自动建立链路。

6. 发明授权

US07978137B2 Performance and power management in direction of arrival determination by utilizing sensor information 有权
标题翻译：通过利用传感器信息确定方向的性能和功率管理
公开(公告)号：US07978137B2
公开(公告)日：2011-07-12
申请号：US12029290
申请日：2008-02-11
申请人： Kimmo Kalliola , Hannu Kauppinen , Joni Jantunen , Antti Kainulainen , Vuokko Nurmela
发明人： Kimmo Kalliola , Hannu Kauppinen , Joni Jantunen , Antti Kainulainen , Vuokko Nurmela
IPC分类号： G01S3/52 , G01S5/04
CPC分类号： G01S3/74 , G01S3/023
摘要： A system for enhancing the performance of a wireless communication device (WCD) while executing a direction of arrival (DoA) estimation. The performance may be improved through device management, and may include the collection of information from one or more sensors installed within the WCD. The sensor information may initially be used to determine an appropriate configuration for the device. Further, the sensor information may also be used to affect the behavior of the device while performing the DoA estimation.
摘要翻译：一种用于在执行到达方向（DoA）估计的同时增强无线通信设备（WCD）的性能的系统。可以通过设备管理来改进性能，并且可以包括从安装在WCD内的一个或多个传感器收集信息。传感器信息可以最初用于确定设备的适当配置。此外，传感器信息也可以用于在执行DoA估计时影响设备的行为。

7. 发明授权

US07502053B2 Information-processing device and information-processing system 失效
标题翻译：信息处理设备和信息处理系统
公开(公告)号：US07502053B2
公开(公告)日：2009-03-10
申请号：US11490259
申请日：2006-07-21
申请人： Keiichrio Kagawa , Jun Ohta , Yuki Maeda , Yasuo Masaki , Hideki Tanabe , Yasunari Miyake
发明人： Keiichrio Kagawa , Jun Ohta , Yuki Maeda , Yasuo Masaki , Hideki Tanabe , Yasunari Miyake
IPC分类号： H04N5/228 , H04N5/335 , G01S3/52
CPC分类号： G06T1/00
摘要： For an information terminal to be operated by users for collecting predetermined pieces of information from remote information devices by free-space optical communication, the present invention provides a technique for suppressing the power consumption of the information terminal by minimizing the amount of calculation performed to collect the aforementioned information. According to the present invention, each information device emits ID light on which a low-frequency pilot signal is superimposed. The information terminal captures a series of frames of images including the ID light and locates the ID light within the images by the following steps: (1) creating multiple levels of binned images having different resolutions for each frame of the image; (2) calculating an evaluation index for each pixel within a target range of the binned images at each level, from the lowest to the highest resolution, where the target range is narrowed every time the process switches over to a lower level. In (2), the evaluation index is calculated by an evaluation function including fast Fourier transformation performed throughout the series of frames of images. The evaluation index thus calculated is compared with a threshold to determine whether the pixel concerned is receiving ID light. The present technique significantly reduces the number of pixel to be analyzed and evaluated, thereby decreasing the total number of arithmetic operations to be performed using the evaluation function. Thus, the power consumption is suppressed.
摘要翻译：为了由用户操作的用于通过自由空间光通信从远程信息设备收集预定信息的信息终端，本发明提供了一种通过使收集的计算量最小化来抑制信息终端的功耗的技术上述信息。根据本发明，每个信息装置发射叠加有低频导频信号的ID光。信息终端捕获包括ID光的一系列图像帧，并通过以下步骤来定位图像内的ID光：（1）为图像的每个帧创建具有不同分辨率的多层分箱图像; （2）从最低分辨率到最高分辨率的每个级别的分色图像的目标范围内的每个像素的评估指标计算出，每当过程切换到较低的水平时，目标范围变窄。在（2）中，通过在整个图像帧中执行的包括快速傅立叶变换的评估函数来计算评价指标。将如此计算的评估指标与阈值进行比较，以确定相关像素是否接收ID光。本技术显着地减少要分析和评估的像素的数量，从而减少使用评估函数执行的算术运算的总数。因此，功耗被抑制。

8. 发明授权

US07414581B2 Method for improved signal to noise ratio estimation 有权
标题翻译：改善信噪比估计的方法
公开(公告)号：US07414581B2
公开(公告)日：2008-08-19
申请号：US11326897
申请日：2006-01-06
申请人： Lawrence C. Vallot
发明人： Lawrence C. Vallot
IPC分类号： G01S3/52
CPC分类号： G01R29/26 , G01S19/21 , G01S19/23
摘要： A method for estimating signal/noise ratio is provided. The method comprises calculating a first signal/noise ratio (SNR) estimate using a technique with a first response time, calculating a second SNR estimate using a technique with a second, slower response time, and blending the first SNR estimate with the second SNR estimate.
摘要翻译：提供了一种用于估计信噪比的方法。该方法包括使用具有第一响应时间的技术来计算第一信号/噪声比（SNR）估计，使用具有第二较慢响应时间的技术来计算第二SNR估计，以及将第一SNR估计与第二SNR估计。

9. 发明申请

US20070159392A1 Method for improved signal to noise ratio estimation 有权
标题翻译：改善信噪比估计的方法
公开(公告)号：US20070159392A1
公开(公告)日：2007-07-12
申请号：US11326897
申请日：2006-01-06
申请人： Lawrence Vallot
发明人： Lawrence Vallot
IPC分类号： G01S3/52 , G01S1/00
CPC分类号： G01R29/26 , G01S19/21 , G01S19/23
摘要： A method for estimating signal/noise ratio is provided. The method comprises calculating a first signal/noise ratio (SNR) estimate using a technique with a first response time, calculating a second SNR estimate using a technique with a second, slower response time, and blending the first SNR estimate with the second SNR estimate.
摘要翻译：提供了一种用于估计信噪比的方法。该方法包括使用具有第一响应时间的技术来计算第一信号/噪声比（SNR）估计，使用具有第二较慢响应时间的技术来计算第二SNR估计，以及将第一SNR估计与第二SNR估计。

10. 发明授权

US5661491A Method and means for reducing interferences in radio receivers 失效
标题翻译：减少无线电接收机干扰的方法和手段
公开(公告)号：US5661491A
公开(公告)日：1997-08-26
申请号：US734842
申请日：1996-10-22
申请人： Peter Ernest Jones
发明人： Peter Ernest Jones
IPC分类号： G01S1/00 , G01S7/02 , G01S7/36 , H04B7/01 , H04B17/00 , G01S3/52
CPC分类号： H04B7/01 , G01S19/21 , G01S19/28 , H04B17/345 , G01S7/021 , G01S7/36
摘要： A method of reducing the effects of interference on a radio receiver having access to multiple transmission sources including the steps of monitoring the signals received from all available sources, utilising information derived from the received signals from each source to compute the most likely frequency band of the interference, determining from said most likely frequency in conjunction with known ephemeris for the receiver and the current Doppler shift of the source signals which sources are least susceptible to interference at said most likely frequency, and passing the identities of said least susceptible sources to the receiver acquisition software.
摘要翻译：一种减少干扰对具有多个发射源的无线电接收机的影响的方法，包括以下步骤：利用从每个源的接收信号导出的信息来监测从所有可用的源接收的信号，以计算出最可能的频带干扰，从所述最可能的频率结合用于接收机的已知星历确定，以及源信号的当前多普勒频移，所述源信号在所述最可能频率处最不易受到干扰，并将所述最不敏感的源的身份传递给接收机采购软件。

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