APPARATUS AND METHOD FOR GENERATING LOCATION INFORMATION
    1.
    发明申请
    APPARATUS AND METHOD FOR GENERATING LOCATION INFORMATION 审中-公开
    用于产生位置信息的装置和方法

    公开(公告)号:US20100238048A1

    公开(公告)日:2010-09-23

    申请号:US12741723

    申请日:2008-06-10

    IPC分类号: G08B5/22

    摘要: An apparatus for generating location information transmits an SUPL INIT message for measuring a location to a target terminal so as to position the target terminal. The target terminal transmits an SUPL POS INIT message including RFID tag information to the apparatus. The apparatus determines a positioning method of the target terminal by using RFID tag information, generates the location of the target terminal according to the determined positioning method, and transmits the location to a service user.

    摘要翻译: 用于产生位置信息的装置将用于测量位置的SUPL INIT消息发送到目标终端,以便定位目标终端。 目标终端向设备发送包括RFID标签信息的SUPL POS INIT消息。 该装置通过使用RFID标签信息来确定目标终端的定位方法,根据确定的定位方法生成目标终端的位置,并将该位置发送给服务用户。

    INDOOR WIRELESS POSITIONING SYSTEM AND METHOD
    3.
    发明申请
    INDOOR WIRELESS POSITIONING SYSTEM AND METHOD 审中-公开
    室内无线定位系统及方法

    公开(公告)号:US20100039929A1

    公开(公告)日:2010-02-18

    申请号:US12517575

    申请日:2007-10-29

    IPC分类号: H04L12/28 H04L12/26 G06F11/07

    CPC分类号: G01S1/68 G01S5/0252

    摘要: Provided is an indoor wireless positioning system and method including: a signal receiving unit receiving first signals from wireless communication access points and measuring strengths of the received first signals and a position estimating unit estimating a current position by comparing the strengths of the first signals measured by the signal receiving unit with a table recording strengths of second signals predicted by a simulation for indoor space the system is currently positioned. Accordingly, it is possible to rapidly and accurately create a fingerprint database and calculate position information on the terminal in the terminal or the server on the basis of the database information.

    摘要翻译: 提供一种室内无线定位系统和方法,包括:信号接收单元,从无线通信接入点接收第一信号并测量接收到的第一信号的强度;以及位置估计单元,通过比较由第一信号测量的第一信号的强度, 所述信号接收单元具有记录所述系统当前所在的用于室内空间的模拟预测的第二信号的强度的表格。 因此,可以快速准确地创建指纹数据库,并且基于数据库信息在终端或服务器中的终端上计算位置信息。

    Radar tracking device and method thereof
    4.
    发明授权
    Radar tracking device and method thereof 失效
    雷达跟踪装置及其方法

    公开(公告)号:US07986262B2

    公开(公告)日:2011-07-26

    申请号:US12443419

    申请日:2007-06-15

    IPC分类号: G01S13/00

    CPC分类号: G01S13/723

    摘要: A radar tracking apparatus and method are provided. The radar tracking apparatus includes an α-β tracking filter, wherein the α-β tracking filter includes: a tracking index unit calculating a tracking index for obtaining α and β filter gains of an α-β tracking filter, based on changes in the measurement error covariance of a radar-measured value that occur when the measured value of target is converted from a polar coordinate system to a rectangular coordinate system; and a filter gain update unit calculating the variations of α and β filter gains, based on the partial differential coefficient of the changing rate of the α and β filter gains with respect to the changing rate of the tracking index and the variations of the tracking index, and updating the α and β filter gains.

    摘要翻译: 提供了雷达跟踪装置和方法。 该雷达跟踪装置包括一个α- 跟踪过滤器,其中α-&bgr; 跟踪滤波器包括:跟踪索引单元计算用于获得α和&bgr的跟踪索引; 过滤器的增益α&bgr; 跟踪滤波器,基于当目标的测量值从极坐标系转换为直角坐标系时发生的雷达测量值的测量误差协方差的变化; 以及滤波器增益更新单元,其计算α和&bgr的变化; 基于α和&bgr变化率的偏微分系数的滤波器增益; 相对于跟踪指标的变化率和跟踪指标的变化,滤波器增益,更新α和&bgr; 过滤器增益。

    METHOD OF AUTOMATICALLY GENERATING FINGERPRINT DATABASE FOR AN INDOOR WIRELESS LOCATION
    6.
    发明申请
    METHOD OF AUTOMATICALLY GENERATING FINGERPRINT DATABASE FOR AN INDOOR WIRELESS LOCATION 审中-公开
    自动生成指纹数据库用于室内无线位置的方法

    公开(公告)号:US20100265093A1

    公开(公告)日:2010-10-21

    申请号:US12741937

    申请日:2008-08-29

    IPC分类号: G08B5/22

    摘要: The present invention relates to a method of automatically generating a fingerprint database for indoor wireless location. For this purpose, the present invention provides a method of generating a fingerprint database that determines a method of calculating the strength of signals transmitted from a plurality of access points, calculates the strength of signals at nodes of a plurality of vertical and horizontal grids set in an indoor space, and generates a database table by using the location information about the nodes and the calculated strength of the signals. Further, the present invention provides an environment analysis tool including a communication module that performs communication between at least one of the access points and a receiving terminal, an environment analysis module that calculates the strength of a signal at a specific location by using a method of calculating strength and generates a fingerprint database table, and a fingerprint database that stores the fingerprint database table. According to the present invention, it is possible to reduce time and manpower required to build a fingerprint database, and to easily build a new fingerprint database even though an indoor structure is changed.

    摘要翻译: 本发明涉及一种自动生成室内无线定位指纹数据库的方法。 为此,本发明提供一种生成指纹数据库的方法,该指纹数据库确定计算从多个接入点发送的信号的强度的方法,计算在多个垂直和水平网格中设置的多个垂直和水平网格的节点处的信号的强度 通过使用关于节点的位置信息和计算出的信号强度来生成数据库表。 此外,本发明提供一种环境分析工具,其包括执行至少一个接入点和接收终端之间的通信的通信模块,环境分析模块,其通过使用以下方法计算特定位置处的信号的强度: 计算强度并生成指纹数据库表,以及存储指纹数据库表的指纹数据库。 根据本发明,可以减少构建指纹数据库所需的时间和人力,并且即使改变室内结构,也可以容易地构建新的指纹数据库。

    RADAR TRACKING DEVICE AND METHOD THEREOF
    7.
    发明申请
    RADAR TRACKING DEVICE AND METHOD THEREOF 失效
    雷达跟踪装置及其方法

    公开(公告)号:US20100103026A1

    公开(公告)日:2010-04-29

    申请号:US12443419

    申请日:2007-06-15

    IPC分类号: G01S13/02

    CPC分类号: G01S13/723

    摘要: A radar tracking apparatus and method are provided. The radar tracking apparatus includes an α-β tracking filter, wherein the α-β tracking filter includes: a tracking index unit calculating a tracking index for obtaining α and β filter gains of an α-β tracking filter, based on changes in the measurement error covariance of a radar-measured value that occur when the measured value of target is converted from a polar coordinate system to a rectangular coordinate system; and a filter gain update unit calculating the variations of α and β filter gains, based on the partial differential coefficient of the changing rate of the α and β filter gains with respect to the changing rate of the tracking index and the variations of the tracking index, and updating the α and β filter gains.

    摘要翻译: 提供了雷达跟踪装置和方法。 该雷达跟踪装置包括一个α- 跟踪过滤器,其中α-&bgr; 跟踪滤波器包括:跟踪索引单元计算用于获得α和&bgr的跟踪索引; 过滤器的增益α&bgr; 跟踪滤波器,基于当目标的测量值从极坐标系转换为直角坐标系时发生的雷达测量值的测量误差协方差的变化; 以及滤波器增益更新单元,其计算α和&bgr的变化; 基于α和&bgr变化率的偏微分系数的滤波器增益; 相对于跟踪指标的变化率和跟踪指标的变化,滤波器增益,更新α和&bgr; 过滤器增益。

    ENVIRONMENT ANALYSIS SYSTEM AND METHOD FOR INDOOR WIRELESS LOCATION
    8.
    发明申请
    ENVIRONMENT ANALYSIS SYSTEM AND METHOD FOR INDOOR WIRELESS LOCATION 审中-公开
    环境分析系统和室内无线定位方法

    公开(公告)号:US20100322077A1

    公开(公告)日:2010-12-23

    申请号:US12446349

    申请日:2006-12-29

    IPC分类号: H04L12/26

    摘要: An environment analysis system for indoor wireless location by using locations of a plurality of access points (AP) includes, a first environment analysis tool (10) for receiving indoor environment information for indoor wireless location, performing a simulation for calculating location accuracies, performing a simulation for relocating and/or additionally installing the access points (AP), and displaying results of the simulation; and a second environment analysis tool (20) for receiving wireless communications signals from the access points (AP), calculating distances from the second environment analysis tool (20) to the access points (AP), calculating a location of the second environment analysis tool (20), calculating errors in the distances and in the location calculated, and providing the errors calculated to the first environment analysis tool (10). The first environment analysis tool (10) corrects errors in the simulations performed thereby by using the errors received from the second environment analysis tool (20), and then repeats the simulations and the displaying process.

    摘要翻译: 通过使用多个接入点(AP)的位置的室内无线位置的环境分析系统包括:第一环境分析工具(10),用于接收室内无线位置的室内环境信息,执行用于计算位置精度的模拟,执行 用于重新定位和/或另外安装接入点(AP)的仿真,以及显示模拟的结果; 以及用于从所述接入点(AP)接收无线通信信号的第二环境分析工具(20),计算从所述第二环境分析工具(20)到所述接入点(AP)的距离,计算所述第二环境分析工具 (20),计算所计算的距离和位置的误差,并提供计算给第一环境分析工具(10)的误差。 第一环境分析工具(10)通过使用从第二环境分析工具(20)接收到的错误来校正由此执行的模拟中的错误,然后重复模拟和显示过程。

    APPARATUS FOR ACQUIRING REFINE CARRIER FREQUENCY BY OPTIMIZING SEARCH AREAS AND METHOD USING THE SAME
    9.
    发明申请
    APPARATUS FOR ACQUIRING REFINE CARRIER FREQUENCY BY OPTIMIZING SEARCH AREAS AND METHOD USING THE SAME 审中-公开
    通过优化搜索区域获取精简载波频率的方法和使用该方法的方法

    公开(公告)号:US20100040115A1

    公开(公告)日:2010-02-18

    申请号:US12514807

    申请日:2007-11-14

    IPC分类号: H04B1/00

    摘要: A method and apparatus for acquiring a refined carrier frequency by optimizing search areas are provided. The apparatus for acquiring a refined carrier frequency by optimizing search areas includes: a refined signal generation unit using a coarse carrier frequency and a coarse code phase extracted from a digitized signal and obtaining a refined carrier frequency approximated to the carrier frequency of an original signal from which the digitized signal is obtained by conversion; and a refined carrier frequency searching unit setting and providing a search area in which the refined signal acquisition unit can obtain the refined carrier frequency based on the coarse carrier frequency. According to the method and apparatus, as a result of the searching method reducing a search time, acquisition of a refined carrier frequency as well as fast acquisition of a signal is enabled, thereby allowing a precise initial value to be provided to a signal tracking unit.

    摘要翻译: 提供一种通过优化搜索区域来获取精细载波频率的方法和装置。 通过优化搜索区域来获取精细载波频率的装置包括:使用从数字化信号提取的粗载波频率和粗码相位的精细信号生成单元,并获得近似于原始信号的载波频率的精细载波频率 通过转换获得数字化信号; 以及精细载波频率搜索单元,其设置并提供精确信号获取单元可以基于粗略载波频率获得精细载波频率的搜索区域。 根据该方法和装置,通过搜索方法减少搜索时间的结果,可以获得精确的载波频率以及快速获取信号,从而允许精确的初始值提供给信号跟踪单元 。

    METHOD AND APPARATUS FOR GENERATING FINGERPRINT DATABASE FOR WIRELESS LOCATION
    10.
    发明申请
    METHOD AND APPARATUS FOR GENERATING FINGERPRINT DATABASE FOR WIRELESS LOCATION 审中-公开
    用于无线位置生成指纹数据库的方法和装置

    公开(公告)号:US20100106745A1

    公开(公告)日:2010-04-29

    申请号:US12535657

    申请日:2009-08-04

    IPC分类号: G06F17/30

    CPC分类号: G01S5/0252

    摘要: Provided is a fingerprint database generating method and device for wireless location. Signal strength is estimated by using access points on a numerical map, position coordinates of grid points, and a radio wave attenuation model so as to generate a fingerprint database. A simulation error is computed based on actual survey data measured in the real space, and the estimated signal strength is corrected by using the computed simulation error to thus generate a fingerprint database.

    摘要翻译: 提供了一种用于无线定位的指纹数据库生成方法和装置。 通过使用数字地图上的接入点,网格点的位置坐标和无线电波衰减模型来估计信号强度,以便生成指纹数据库。 基于在实际空间中测量的实际测量数据计算模拟误差,并且通过使用计算的模拟误差来校正估计的信号强度,从而生成指纹数据库。