公开(公告)号：WO02068908A8

公开(公告)日：2003-01-23

申请号：PCT/US0205825

申请日：2002-02-25

Applicant: ENPOINT L L C

Inventor： PINTO ROBERT ,  KAIN JAMES

IPC: G01S19/48 ,  G01C21/16 ,  G01S3/48 ,  G01S5/14 ,  G01S19/11 ,  G01S19/21 ,  G01S19/26 ,  G01S19/36 ,  G01S19/53 ,  G01S19/54

CPC classification number: G01C21/165 ,  G01S3/48 ,  G01S19/26 ,  G01S19/36 ,  G01S19/53 ,  G01S19/54

Abstract: A system determines three-dimensional attitude of a moving platform using signals from two closely spaced Global Positioning System (GPS) antennas. The system includes three rate gyroscopes and three accelerometers rigidly mounted in a fixed relationship to the platform to aid in determining the attitude. The system applies signals from a first of the two GPS antennas to sufficient channels of a GPS receiver to support navigation. The system applies signals from a second of the two GPS antennas to the remaining receive channels, which are configured to support interferometry. The system optimally selects the navigation and interferometry channels to provide an interferometric heading solution. The system resolves the ambiguity normally associated with the interferometric heading solution by having the closely spaced GPS antennas and using interferometry to refine a coarse heading estimate from a GPS plus Inertial Measurement Unit (IMU) transfer alignment solution. The system achieves close sub-meter spacing of the two GPS antennas by merging many temporal interferometric measurements that result from an attitude memory provided by the IMU time-history solution.

Abstract translation: 系统使用来自两个紧密间隔的全球定位系统（GPS）天线的信号来确定移动平台的三维姿态。 该系统包括三个速率陀螺仪和三个加速度计，这三个加速度计刚性地安装在与平台固定的关系中，以帮助确定姿态。 该系统将来自两个GPS天线中的第一个的信号应用到GPS接收器的足够通道以支持导航。 该系统将来自两个GPS天线中的第二个天线的信号应用于被配置为支持干涉测量的其余接收信道。 系统最佳地选择导航和干涉测量通道以提供干涉标题解决方案。 该系统通过具有紧密间隔的GPS天线和使用干涉测量从GPS加惯性测量单元（IMU）传输对准解决方案来精简粗略航向估计，来解决通常与干涉标题解决方案相关联的模糊度。 该系统通过合并由IMU时间历史解决方案提供的态度存储器产生的许多时间干涉测量来实现两个GPS天线的紧密的子仪表间距。

公开(公告)号：WO0195240A3

公开(公告)日：2002-08-15

申请号：PCT/US0140828

申请日：2001-06-04

Applicant: TRANSCORE HOLDINGS INC

Inventor： LANDT JEREMY

IPC: G01S3/46 ,  G01S3/04 ,  G01S3/32 ,  G01S3/38 ,  G01S3/48 ,  G01S13/74 ,  G06K19/07 ,  H04B1/59

CPC classification number: G01S3/48 ,  G01S3/043 ,  G01S3/38 ,  G06K19/0723

Abstract: Methods and systems for determining the direction to a transponder are disclosed. The methods and systems include transmitting (R) a first signal to an area where communications with a transponder is desired; producing a second signal desired from the first signal; receiving the second signal via a first (R) and second antenna (B) forming a difference signal from the second signal received via the first and second antennas (201); forming a third signal by adding the second signal received via the first antenna and the second signal received via the third antenna; delaying the difference signal; and comparing a fist polarity of the delayed difference signal with a second polarity of the third signal (212).

Abstract translation: 公开了用于确定转发器的方向的方法和系统。 所述方法和系统包括将第一信号发送（R）到期望与应答器通信的区域; 从所述第一信号产生期望的第二信号; 经由经由第一和第二天线（201）接收的第二信号形成差分信号的第一（R）和第二天线（B）接收第二信号; 通过添加经由第一天线接收的第二信号和经由第三天线接收的第二信号来形成第三信号; 延迟差分信号; 以及将所述延迟差分信号的第一极性与所述第三信号（212）的第二极性进行比较。

公开(公告)号：WO0186229A3

公开(公告)日：2002-05-02

申请号：PCT/US0114881

申请日：2001-05-09

Applicant: ADVANCED NAVIGATION & POSITION

Inventor： WINNER KARL ,  KUEHN BENJAMIN R

IPC: G01S3/46 ,  G01S13/76 ,  G01S13/91 ,  G01S3/48 ,  G01S13/87 ,  G08G5/02

CPC classification number: G01S3/46 ,  G01S13/762 ,  G01S13/913

Abstract: A ground-based, precision aircraft landing system provides CAT I precision approach and landing guidance. The aircraft elevation position is determined by measuring differential carrier phase and time-of-arrival of the aircraft ATCRBS transponder reply. The transponder reply is received at a plurality of sensor antenna locations where it is then conveyed to a sensor, demodulated and digitized. The data is transmitted to a central processor where calibration and multipath corrections are applied. Aircraft transponder diversity antenna switching is isolated from the jitter and colored noise of transponder reply multipath by correlating differential phase jumps measured between separate sensor antennas. An estimate of the diversity antenna separation is maintained by Kalman filter processing; the estimated separation is used to correct the differential phase measurement data of aircraft elevation. The corrected phase measurement and time-of-arrival measurement is processed using another Kalman filter to achieve the desired aircraft elevation positioning accuracy. A similar differential carrier phase and time-of-arrival subsystem is applied to achieve an azimuth measurement of the aircraft position. The combined azimuth and elevation of the aircraft is then compared to the desired approach path, and the aircraft position error relative to the desired approach is communicated to the aircraft.

Abstract translation: 基于地面的精密飞机着陆系统提供CAT I精准方法和着陆指导。 飞机高度位置通过测量飞机ATCRBS应答器答复的差分载波相位和到达时间来确定。 在多个传感器天线位置处接收应答器应答，然后将其传送到传感器，进行解调和数字化。 数据被传送到中央处理器，其中应用校准和多径校正。 通过将分离的传感器天线之间测量的差分相位跳变相关联，飞行器应答器分集天线切换与应答器应答多径的抖动和彩色噪声隔离。 通过卡尔曼滤波处理维持分集天线分离的估计; 估计的分离用于校正飞机高程的差分相位测量数据。 使用另一卡尔曼滤波器处理校正的相位测量和到达时间测量，以实现所需的飞机高度定位精度。 应用类似的差分载波相位和到达时间子系统来实现飞行器位置的方位测量。 然后将飞机的组合方位角和高程与期望的进近路径进行比较，并且相对于期望方法的飞行器位置误差被传送到飞行器。

公开(公告)号：WO01081940A3

公开(公告)日：2002-02-07

申请号：PCT/JP2001/003346

申请日：2001-04-19

IPC: G01S3/48 ,  G01S3/74

CPC classification number: G01S3/74

Abstract: The inner product of noise eigenvalue vectors and azimuth vectors is transformed using an FFT and a MUSIC spectrum is calculated (Step 15). Alternatively the inner product of signal eigenvalue vectors and azimuth vectors is transformed using the FFT and a MUSIC spectrum is calculated (Step 17). A DOA is then estimated based on the MUSIC spectrum obtained (Step 16), thereby decreasing the quantity of calculations required for detecting a DOA of an incident wave using MUSIC algorithm.

Abstract translation: 使用FFT对噪声特征向量和方位矢量的内积进行变换，并计算出MUSIC谱（步骤15）。 或者，使用FFT对信号特征值向量和方位向量的内积进行变换，并计算MUSIC频谱（步骤17）。 然后基于所获得的MUSIC频谱来估计DOA（步骤16），从而减少使用MUSIC算法检测入射波的DOA所需的计算量。

公开(公告)号：WO00068703A3

公开(公告)日：2001-10-11

申请号：PCT/CH2000/000430

申请日：2000-08-11

IPC: G01S3/48 ,  G01S3/808 ,  H04R3/00 ,  H04R25/00

CPC classification number: H04R25/407 ,  G01S3/48 ,  G01S3/808 ,  G01S3/8083 ,  H04R3/005

Abstract: The invention relates to a method for localising sources of electromagnetic or acoustic signals in relation to a sensor arrangement (1a to 1c) with at least two electrical outputs. The two transmission functions, which are dependent on the direction of incidence, are different between the acoustic signals that are incident on the sensor arrangement (1a to 1c) on the input side and the electrical output signals. According to the invention, the quotient (7I to 7II) of the output signals is formed and the result is then correlated with the previously determined quotient function (11).

Abstract translation: 用于相对于定位电磁信号或声信号源到传感器装置（1a至1c），具有至少两个电输出，其中所述入射方向依赖传递函数的输入侧到所述传感器装置之间的不同事件（1a至1c）的声信号和输出电信号，所述商数（7I到7II是 的输出信号，然后将结果（商与相关联的预定功能11）的形成）。

公开(公告)号：WO01057546A1

公开(公告)日：2001-08-09

申请号：PCT/US2000/013109

申请日：2000-05-12

IPC: G01S3/02 ,  G01S3/48 ,  G01S13/93

CPC classification number: G01S3/48 ,  G01S3/023 ,  G01S13/9303

Abstract: The invention comprises a direction finding receiving system using a plurality of spaced apart antenna elements mounted in cruciform configuration. Each antenna is connected to an individual receiver, the outputs of which are connected to a broadband digital phase detector. The broadband digital phase detector is used to calibrate the transmission channels and builds a table of phase corrections indexed against an operating frequency. On normal operation, the direction finder measures the frequency of the received signal and retrieves the corresponding phase correction from the calibration memory. The phase measurements are then corrected to yield a more accurate angle of arrival.

Abstract translation: 本发明包括使用安装在十字形构造中的多个间隔开的天线元件的测向接收系统。 每个天线连接到单独的接收机，其输出端连接到宽带数字相位检测器。 宽带数字相位检测器用于校准传输通道，并建立相对于工作频率索引的相位校正表。 在正常操作中，方向取样器测量接收信号的频率，并从校准存储器检索相应的相位校正。 然后校正相位测量以产生更准确的到达角度。

公开(公告)号：WO00028345A1

公开(公告)日：2000-05-18

申请号：PCT/SE1999/002026

申请日：1999-11-08

IPC: G01S3/48 ,  G01S5/04 ,  G01S5/12 ,  G01S13/86 ,  G01S5/06

CPC classification number: G01S5/12 ,  G01S3/48 ,  G01S5/04 ,  G01S13/825

Abstract: A device for localising a transmitter unit (2) comprises a base unit (1) and at least one such transmitter unit (2). The transmitter unit comprises means (4), which enable attachment of the transmitter unit to an object (3), and a transmitter member, which is arranged to transmit a signal having a determined frequency. The base unit (1) comprises a receiver member which is arranged to receive said signal. Furthermore, the base unit (1) comprises a number of antennas (7), which are positioned on a relatively small distance (a) from each other and each arranged to send said signal, and a processing member which is arranged to calculate at least the direction to said transmitter unit (2) by means of the signal sent by the antennas (7).

Abstract translation: 用于定位发射机单元（2）的设备包括基本单元（1）和至少一个这样的发射机单元（2）。 发射机单元包括能够将发射机单元附接到对象（3）的装置（4）和被配置为发送具有确定频率的信号的发射机构件。 基座单元（1）包括接收器构件，其被布置成接收所述信号。 此外，基本单元（1）包括多个天线（7），它们彼此相对较小的距离（a）定位，并且每个天线（7）被布置成发送所述信号;以及处理构件，被布置成至少计算 通过天线（7）发送的信号到所述发射机单元（2）的方向。

公开(公告)号：WO2023034151A1

公开(公告)日：2023-03-09

申请号：PCT/US2022/041752

申请日：2022-08-26

Applicant: META PLATFORMS TECHNOLOGIES, LLC

Inventor： ALDANA, Carlos Horacio ,  AGRAWAL, Abhishek Kumar

IPC: G01S3/14 ,  G01S3/48 ,  G01S5/02

Abstract: Disclosed herein are related to a system and a method for determining an Angle of Approach (AoA) of a device. A first device may receive a report from a second device having a plurality of ultra-wideband (UWB) devices. The report may include a plurality of values comprising an elevation component and an azimuth component of the AoA from the first device. At least some of the plurality of values may be obtained according to measurements between the plurality of UWB devices of the second devices and the at least one UWB device of the first device. The first device may determine an AoA from the second device, using the plurality of values from the report received from the second device.

公开(公告)号：WO2022099657A1

公开(公告)日：2022-05-19

申请号：PCT/CN2020/128837

申请日：2020-11-13

Applicant: 北京小米移动软件有限公司

Inventor： 江小威

IPC: G01S3/48

Abstract: 本申请提出了一种终端的离开角AOD获取方法、装置和通信设备，涉及无线通信技术领域。该方案为：在各发送位置上向接收终端发送测角信号；接收所述接收终端发送的各所述发送位置对应的测角相位信息；根据各所述测角相位信息，获取发送终端的AOD。本申请中，发送终端可在各发送位置上向接收终端发送测角信号，可接收接收终端发送的各发送位置对应的测角相位信息，并可根据各测角相位信息，获取发送终端的AOD。由此，发送终端可通过向接收终端发送测角信号，并根据接收终端反馈的测角相位信息确定发送终端的AOD，上述方案可在长期演进LTE网络、新空口NR以及任何一代恰当的通讯网络中实现AOD的获取。

公开(公告)号：WO2022016091A1

公开(公告)日：2022-01-20

申请号：PCT/US2021/042035

申请日：2021-07-16

Applicant: QUALCOMM INCORPORATED

Inventor： DUAN, Weimin ,  MANOLAKOS, Alexandros ,  JI, Tingfang

IPC: G01S3/02 ,  G01S3/14 ,  G01S3/48

Abstract: Disclosed are techniques for wireless communication. In an aspect, a network entity determines a location of a target base station and a location of at least one reference device (710), determines an angle-of-arrival (AoA) measurement of one or more reference signals received by at least one antenna array of the target base station from the at least one reference device (720), determines an expected AoA between the at least one antenna array and the at least one reference device based on the location of the target base station and the location of the at least one reference device (730), and determines an orientation offset of the at least one antenna array based on a difference between the expected AoA and the AoA measurement (740).