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    • 5. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING ACCURACY OF LOCATION INFORMATION
    • 用于确定位置信息精度的方法和装置
    • US20110291884A1
    • 2011-12-01
    • US13118754
    • 2011-05-31
    • Ji-Heon OhHyun-Su HongGye-Joong ShinKyong-Ha ParkSung-Min Park
    • Ji-Heon OhHyun-Su HongGye-Joong ShinKyong-Ha ParkSung-Min Park
    • G01S19/48
    • G01S19/48
    • A method and apparatus for determining accuracy information of location information. The method includes receiving Global Positioning System (GPS) location information of a user terminal from a GPS, determining whether the user terminal enters into a GPS shadow area, checking terminal movement information including a moving speed and a moving direction of the user terminal, when the user terminal enters into the GPS shadow area, estimating location information of the user terminal based on the terminal movement information, checking auxiliary location information including a moving state of the user terminal, error information of a terrestrial magnetism sensor, and the moving speed of the user terminal, and determining the accuracy information based on an accumulated location error of the estimated location information, based on the auxiliary location information.
    • 一种用于确定位置信息的精度信息的方法和装置。 该方法包括从GPS接收用户终端的全球定位系统(GPS)位置信息,确定用户终端是否进入GPS影像区域,检查包括用户终端的移动速度和移动方向的终端移动信息,当 用户终端进入GPS阴影区域,基于终端移动信息估计用户终端的位置信息,检查包括用户终端的移动状态的辅助位置信息,地磁传感器的错误信息,以及移动速度 用户终端,并且基于所述辅助位置信息,基于估计位置信息的累积位置误差来确定准确性信息。
    • 8. 发明申请
    • METHOD FOR PROVIDING RELIABILITY OF RECKONING LOCATION AND MOBILE TERMINAL THEREFOR
    • 提供重建位置和移动终端可靠性的方法
    • US20120176270A1
    • 2012-07-12
    • US13083660
    • 2011-04-11
    • Gye Joong SHIN
    • Gye Joong SHIN
    • G01S19/45
    • G01S19/48G01S19/40
    • Disclosed are method and apparatus for evaluating reliability of reckoning location information and providing reliability information. A mobile terminal implementing the method provides a user with a handheld device to provide accurate location information. The method for providing reliability of a reckoning location preferably includes: reckoning a location using speed and direction information input from a sensor unit when satellite signal intensity of GPS satellite information is less than a first threshold value; calculating a moving distance using the reckoning location for a reckoned time of the location; evaluating the reliability of the reckoning location according to the moving distance; and providing the reckoning location and the reliability to a location information utility unit such that the location information utility unit determines presence of utility of the reckoning location according to the reliability.
    • 公开了用于评估推算位置信息和提供可靠性信息的可靠性的方法和装置。 实现该方法的移动终端向用户提供手持设备以提供准确的位置信息。 用于提供推算位置的可靠性的方法优选地包括:当GPS卫星信息的卫星信号强度小于第一阈值时,使用从传感器单元输入的速度和方向信息来推算位置; 使用推算位置计算所述位置的计算时间的移动距离; 根据移动距离评估推算位置的可靠性; 并向位置信息效用单元提供推算位置和可靠性,使得位置信息效用单元根据可靠性确定推算位置的效用。