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    • 5. 发明申请
    • ENVIRONMENT ANALYSIS SYSTEM AND METHOD FOR INDOOR WIRELESS LOCATION
    • 环境分析系统和室内无线定位方法
    • US20100322077A1
    • 2010-12-23
    • US12446349
    • 2006-12-29
    • Seong Yun ChoWan Sik ChoiByung Doo KimYoung-su ChoJong-Hyun Park
    • Seong Yun ChoWan Sik ChoiByung Doo KimYoung-su ChoJong-Hyun Park
    • H04L12/26
    • G01S5/021H04L12/66H04W16/20H04W16/225H04W24/02
    • 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.
    • 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。
    • 6. 发明申请
    • METHOD FOR DETERMINING LOCATION USING ACCESS POINT, AND APPARATUS THEREOF
    • 使用接入点确定位置的方法及其装置
    • US20100265092A1
    • 2010-10-21
    • US12741935
    • 2008-08-20
    • Byung Doo KimSeong Yun ChoYoung Su ChoWan Sik Choi
    • Byung Doo KimSeong Yun ChoYoung Su ChoWan Sik Choi
    • G08B5/22
    • H04W64/003
    • The present invention relates to a location measuring method using an access point, and an apparatus using the same. According to the present invention, a location of a terminal is estimated by using a signal strength received from an access point installed at a known position in a wireless network, and location of the access point installed at an unknown position is estimated by using a signal strength received from the access point installed in the unknown position and estimated location information of the terminal. In addition, a location of the terminal is finally calculated by using estimated location information of the access point installed at the known position. As described, the location of the terminal is determined by using estimated location information of an AP that is randomly installed by a user (that is, installed at an unknown position), and therefore a location of an AP installed in an area where it is difficult to measure and availability of location measurement can be improved. In addition, a signal strength measurement value, estimation location information of an AP installed at a known position, and estimation location information of an AP installed at an unknown position are used for location information calculation of a terminal, and accordingly, accuracy of the location measure can be improved.
    • 本发明涉及使用接入点的位置测量方法及其使用方法。 根据本发明,通过使用从安装在无线网络中的已知位置的接入点接收到的信号强度来估计终端的位置,并且通过使用信号来估计安装在未知位置的接入点的位置 强度从接入点接收到的安装在未知位置和终端的估计位置信息。 此外,终端的位置最终通过使用安装在已知位置的接入点的估计位置信息来计算。 如上所述,通过使用由用户随机安装的AP(即,安装在未知位置)的估计位置信息来确定终端的位置,并且因此安装在其所在区域中的AP的位置 难以测量和可用性的位置测量可以提高。 此外,信号强度测量值,安装在已知位置的AP的估计位置信息以及安装在未知位置的AP的估计位置信息被用于终端的位置信息计算,因此,位置的精度 措施可以改善。
    • 8. 发明申请
    • METHOD OF AUTOMATICALLY GENERATING FINGERPRINT DATABASE FOR AN INDOOR WIRELESS LOCATION
    • 自动生成指纹数据库用于室内无线位置的方法
    • US20100265093A1
    • 2010-10-21
    • US12741937
    • 2008-08-29
    • Seong Yun ChoByung Doo KimYoung Su ChoWan Sik ChoiJong-Hyun Park
    • Seong Yun ChoByung Doo KimYoung Su ChoWan Sik ChoiJong-Hyun Park
    • G08B5/22
    • H04W24/00G01S5/0252H04W64/00H04W88/08
    • 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.
    • 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。
    • 10. 发明授权
    • Device and method for measuring location of terminal
    • 端子位置测量装置及方法
    • US08274916B2
    • 2012-09-25
    • US12686078
    • 2010-01-12
    • Byung Doo KimYoungsu ChoSung Jo YunMyung In Ji
    • Byung Doo KimYoungsu ChoSung Jo YunMyung In Ji
    • H04L12/28
    • H04W64/00H04L67/18
    • A terminal location measuring device includes a database for storing registration information of a plurality of access points (AP's) forming a first infrastructure system for wireless LAN-based indoor location determination. The terminal location measuring device sets a search range of a database by using location information of the terminal acquired through a second infrastructure system that is different from the first infrastructure system, an identifier of at least one of a plurality of AP's, and a signal measurement value. The terminal location measuring device extracts registration information of an AP having the same identifier as at least one AP within the search range of the database, and measures a location of the terminal by using registration information of the AP.
    • 终端位置测量装置包括:数据库,用于存储形成用于无线基于LAN的室内位置确定的第一基础设施系统的多个接入点(AP)的注册信息。 终端位置测量装置通过使用通过与第一基础设施系统不同的第二基础设施系统获取的终端的位置信息,多个AP中的至少一个的标识符和信号测量来设置数据库的搜索范围 值。 终端位置测量装置提取具有与数据库的搜索范围内的至少一个AP相同的标识符的AP的注册信息,并且通过使用AP的注册信息来测量终端的位置。