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    • 1. 发明授权
    • Method and device for estimating AP position using a map of a wireless LAN radio environment
    • 使用无线LAN无线电环境的映射来估计AP位置的方法和装置
    • US09060284B2
    • 2015-06-16
    • US13808847
    • 2011-06-28
    • Chae Hwan ChoChang Seok LeeSuk Yon KangSeung Yoon BaekHye Min Lee
    • Chae Hwan ChoChang Seok LeeSuk Yon KangSeung Yoon BaekHye Min Lee
    • G08C15/00H04W24/00G01S5/02H04W64/00H04L29/12
    • H04W24/00G01S5/0242G01S5/0252H04L61/6022H04W64/003
    • The present disclosure concerns a method and apparatus for estimating AP position using WLAN radiowave environment map. An embodiment includes filter for generating filtering radiowave map with data selected exclusively for having common MAC address from collected WLAN radiowave environment maps; grid-cell divisor for generating grid radiowave map with arbitrary grid cells from dividing the filtering radiowave map; representative-coordinate mapper for calculating centroid of each of grid cells constituting grid radiowave map and mapping each centroid as representative coordinate to each grid cell; representative-signal-strength mapper for calculating representative signal strengths based on data in grid cell and mapping each representative signal strength to grid cell; weight-value sorter for sorting out weight value corresponding to a range covering representative signal strength as received; and position estimator for estimating positional information of APs having common MAC address based on one or more of representative coordinate, representative signal strength, and weight value.
    • 本公开涉及使用WLAN无线电波环境映射来估计AP位置的方法和装置。 一个实施例包括用于产生滤波无线电波映射的滤波器,其中专门为从已收集的WLAN无线电波环境图中具有公共MAC地址而选择的数据; 用于生成具有任意网格单元的网格无线电波映射的网格除数除以滤波无线电波图; 用于计算构成网格无线电波映射的每个网格单元的质心的代表坐标映射器,并将每个质心作为代表坐标映射到每个网格单元; 代表信号强度映射器,用于基于网格单元中的数据计算代表性信号强度,并将每个代表信号强度映射到网格单元; 重量值分选器,用于对与覆盖代表信号强度的范围相对应的重量值进行分类; 以及位置估计器,用于基于代表坐标,代表信号强度和权重值中的一个或多个来估计具有公共MAC地址的AP的位置信息。
    • 2. 发明授权
    • Method and device for discriminating positioning error using wireless LAN signal
    • 使用无线LAN信号鉴别定位误差的方法和装置
    • US08874137B2
    • 2014-10-28
    • US13808825
    • 2011-06-28
    • Suk Yon KangChae Hwan ChoSeung Yoon BaekHye Min LeeChang Seok Lee
    • Suk Yon KangChae Hwan ChoSeung Yoon BaekHye Min LeeChang Seok Lee
    • H04W24/00H04W64/00G01S5/02
    • H04W24/00G01S5/021G01S5/0252G01S5/0268H04W64/00
    • Apparatus for determining a positioning error includes: database for storing grid cells separated by each pCell ID and WLAN environment information matched to grid cells; information receiving unit for receiving terminal WLAN environment information from mobile communication terminal; identification information checking unit for checking AP identification information included in terminal WLAN environment information; triangulating unit for calculating triangulation coordinate value by performing triangulation with AP position estimation information corresponding to AP identification information; grid cell positioning unit for selecting one or more grid cells corresponding to AP identification information and calculating grid cell coordinate value based on coordinate value corresponding to grid cell selected; and error determining unit for comparing triangulation coordinate value and grid cell coordinate value and determining whether there is positioning error in any one of triangulation coordinate value and grid cell coordinate value.
    • 用于确定定位误差的装置包括:用于存储由每个pCell ID分隔的网格单元的数据库和与网格单元匹配的WLAN环境信息; 信息接收单元,用于从移动通信终端接收终端WLAN环境信息; 识别信息检查单元,用于检查包括在终端WLAN环境信息中的AP标识信息; 用于通过对应于AP识别信息的AP位置估计信息进行三角测量来计算三角测量坐标值的三角测量单元; 网格单元定位单元,用于选择与AP识别信息相对应的一个或多个网格单元,并且基于与所选择的网格单元对应的坐标值来计算网格单元坐标值; 以及用于比较三角测量坐标值和网格单元坐标值的误差确定单元,并且确定三角测量坐标值和网格单元坐标值中的任何一个中是否存在定位误差。
    • 3. 发明申请
    • METHOD FOR GENERATING IN-BUILDING PROPAGATION ENVIRONMENT MAPS AND DEVICE THEREFOR
    • 用于生成内置传播环境的方法及其设备
    • US20130172010A1
    • 2013-07-04
    • US13806959
    • 2011-06-27
    • Suk Yon KangChae Hwan ChoSeung Yoon BaekHye Min LeeChang Seok Lee
    • Suk Yon KangChae Hwan ChoSeung Yoon BaekHye Min LeeChang Seok Lee
    • H04W4/04
    • H04W4/021G01S5/0252H04W4/027H04W4/33H04W16/20H04W64/00
    • An apparatus for generating in-building radiowave environment maps, includes: an in-building map providing unit configured to provide in-building map data to a radiowave measurement device; a reference point setting unit configured to interwork with the radiowave measurement device and set up a reference point of specific area in the in-building map data; a location estimating unit configured to estimate a mobile location of the radiowave measurement device by using motion sensor information received from the radiowave measurement device; a radiowave environment collecting unit configured to collect radiowave environment information from the radiowave measurement device; and an in-building radiowave environment mapping unit configured to generate an in-building radiowave environment map by storing the radiowave environment information onto the in-building map data matchingly with every piece of location estimation information on the mobile location estimated based on the reference point.
    • 一种用于生成室内无线电波环境地图的装置,包括:建筑物内地图提供单元,被配置为向无线电波测量设备提供建筑物内的地图数据; 参考点设定单元,被配置为与无线电波测量装置相互作用并在建筑物内的地图数据中建立特定区域的参考点; 位置估计单元,被配置为通过使用从所述无线电波测量装置接收的运动传感器信息来估计所述无线电波测量装置的移动位置; 无线电波环境收集单元,被配置为从所述无线电波测量装置收集无线电波环境信息; 以及室内无线电波环境映射单元,被配置为通过将无线电波环境信息与基于参考点估计的移动位置上的每个位置估计信息匹配的建筑物内映射数据存储在建筑物内无线电波环境地图中 。
    • 4. 发明申请
    • METHOD AND DEVICE FOR ESTIMATING AP POSITION USING A MAP OF A WIRELESS LAN RADIO ENVIRONMENT
    • 使用无线局域网无线电环境映射估算AP位置的方法和装置
    • US20130170383A1
    • 2013-07-04
    • US13808847
    • 2011-06-28
    • Chae Hwan ChoChang Seok LeeSuk Yon KangSeung Yoon BaekHye Min Lee
    • Chae Hwan ChoChang Seok LeeSuk Yon KangSeung Yoon BaekHye Min Lee
    • H04W24/00
    • H04W24/00G01S5/0242G01S5/0252H04L61/6022H04W64/003
    • The present disclosure concerns a method and apparatus for estimating AP position using WLAN radiowave environment map. An embodiment includes filter for generating filtering radiowave map with data selected exclusively for having common MAC address from collected WLAN radiowave environment maps; grid-cell divisor for generating grid radiowave map with arbitrary grid cells from dividing the filtering radiowave map; representative-coordinate mapper for calculating centroid of each of grid cells constituting grid radiowave map and mapping each centroid as representative coordinate to each grid cell; representative-signal-strength mapper for calculating representative signal strengths based on data in grid cell and mapping each representative signal strength to grid cell; weight-value sorter for sorting out weight value corresponding to a range covering representative signal strength as received; and position estimator for estimating positional information of APs having common MAC address based on one or more of representative coordinate, representative signal strength, and weight value.
    • 本公开涉及使用WLAN无线电波环境映射来估计AP位置的方法和装置。 一个实施例包括用于产生滤波无线电波映射的滤波器,其中专门为从已收集的WLAN无线电波环境图中具有公共MAC地址而选择的数据; 用于生成具有任意网格单元的网格无线电波映射的网格除数除以滤波无线电波图; 用于计算构成网格无线电波映射的每个网格单元的质心的代表坐标映射器,并将每个质心作为代表坐标映射到每个网格单元; 代表信号强度映射器,用于基于网格单元中的数据计算代表性信号强度,并将每个代表信号强度映射到网格单元; 重量值分选器,用于对与覆盖代表信号强度的范围相对应的重量值进行分类; 以及位置估计器,用于基于代表坐标,代表信号强度和权重值中的一个或多个来估计具有公共MAC地址的AP的位置信息。
    • 5. 发明申请
    • Display device and method with optimal external input setting capability
    • 具有最佳外部输入设置能力的显示设备和方法
    • US20060110130A1
    • 2006-05-25
    • US11264025
    • 2005-11-02
    • Seung-yoon Baek
    • Seung-yoon Baek
    • H04N5/91
    • H04N5/775H04N5/44513H04N21/4135H04N21/4363H04N21/44231H04N21/488
    • A display device and method with an optimal external input setting capability are provided. A method for setting an external input in a display device includes receiving information about an external device which is connected to the display device via a network; determining based on the information about the external device whether the external device has a capability of providing a component output signal; and if the external device has the capability of providing the component output, setting a set of component terminals as a set of external input terminals for receiving a signal from the external device. Thus, when the external device has the capability of providing a component output, the component terminal is set as an external input, thereby obtaining a high definition image. In addition, setting the component terminals as the external input is automatically performed, thus providing convenience to a user.
    • 提供具有最佳外部输入设定能力的显示装置和方法。 一种用于在显示设备中设置外部输入的方法包括:经由网络接收与所述显示设备连接的外部设备的信息; 基于外部设备的信息确定外部设备是否具有提供分量输出信号的能力; 并且如果外部设备具有提供分量输出的能力,则将一组分量终端设置为一组用于从外部设备接收信号的外部输入端子。 因此,当外部设备具有提供分量输出的能力时,将组件端子设置为外部输入,从而获得高清晰度图像。 此外,自动执行将组件端子设置为外部输入,从而为用户提供便利。
    • 10. 发明授权
    • Method and device for updating a database for wireless LAN based positioning
    • 用于更新无线LAN定位的数据库的方法和设备
    • US09215604B2
    • 2015-12-15
    • US13808328
    • 2011-06-28
    • Suk Yon KangSeung Yoon BaekHye Min LeeChang Seok LeeChae Hwan Cho
    • Suk Yon KangSeung Yoon BaekHye Min LeeChang Seok LeeChae Hwan Cho
    • H04L1/00H04W24/02H04W64/00G01S5/02H04W84/12
    • H04W24/02G01S5/021G01S5/0252H04W64/00H04W84/12
    • An apparatus for updating a database for wireless LAN based positioning includes a database for storing grid cells divided by pCell ID and base station-derived environment information and wireless LAN environment information matched to the grid cells; a grid cell determining unit for determining an information-unmeasured grid cell among the grid cells, the information-unmeasured grid cell being a grid cell that has unmeasured information among parameters of the wireless LAN environment information matched to the grid cells; an unmeasured parameter checking unit for checking an unmeasured parameter in the information-unmeasured grid cell; a radiowave environment estimating unit for generating radiowave environment estimation information by estimating the unmeasured information based on the unmeasured parameter checked; and a database updating unit for reflecting the radiowave environment estimation information in the information-unmeasured grid cell determined.
    • 一种用于更新用于基于无线LAN的定位的数据库的装置包括:用于存储由pCell ID和基站导出的环境信息以及与网格单元匹配的无线LAN环境信息划分的网格单元的数据库; 网格单元确定单元,用于确定网格单元之间的信息未测量网格单元,所述信息未测量网格单元是在与所述网格单元匹配的无线LAN环境信息的参数中具有未测量信息的网格单元; 用于检查信息未测量网格单元中的未测量参数的未测量参数检查单元; 无线电波环境估计单元,用于通过基于所检查的未测量参数估计未测量信息来生成无线电波环境估计信息; 以及数据库更新单元,用于反映所确定的信息未测量网格单元中的无线电波环境估计信息。