Controlling position uncertainty in a mobile device
    1.
    发明授权
    Controlling position uncertainty in a mobile device 有权
    控制移动设备中的位置不确定性

    公开(公告)号:US09223004B2

    公开(公告)日:2015-12-29

    申请号:US14087540

    申请日:2013-11-22

    Abstract: Systems and methods for constraining growth in position uncertainty of a mobile device are based on determination that the mobile device is in a pedestrian mode. Determination of the pedestrian mode is based on detection of steps by a pedometer, speed of motion of the mobile device, turn rate determination by a gyroscope, charging condition of the mobile device, availability of satellite signals, etc. Step counts and/or turn rate information are used to ascertain the distance that a pedestrian user may have traversed from a last known position, based on which growth of position uncertainty is controlled.

    Abstract translation: 用于约束移动设备的位置不确定性增长的系统和方法基于移动设备处于行人模式的确定。 行人模式的确定是基于计步器的步骤检测,移动设备的运动速度,陀螺仪的转速判定,移动设备的充电状态,卫星信号的可用性等。步数和/或转动 使用速率信息来确定行人用户可以从最后的已知位置穿过的距离,基于哪个位置不确定度的增长被控制。

    CONTROLLING POSITION UNCERTAINTY IN A MOBILE DEVICE
    3.
    发明申请
    CONTROLLING POSITION UNCERTAINTY IN A MOBILE DEVICE 有权
    控制移动设备中的位置不确定性

    公开(公告)号:US20140288822A1

    公开(公告)日:2014-09-25

    申请号:US14087540

    申请日:2013-11-22

    Abstract: Systems and methods for constraining growth in position uncertainty of a mobile device are based on determination that the mobile device is in a pedestrian mode. Determination of the pedestrian mode is based on detection of steps by a pedometer, speed of motion of the mobile device, turn rate determination by a gyroscope, charging condition of the mobile device, availability of satellite signals, etc. Step counts and/or turn rate information are used to ascertain the distance that a pedestrian user may have traversed from a last known position, based on which growth of position uncertainty is controlled.

    Abstract translation: 用于约束移动设备的位置不确定性增长的系统和方法基于移动设备处于行人模式的确定。 行人模式的确定是基于计步器的步骤检测,移动设备的运动速度,陀螺仪的转速判定,移动设备的充电状态,卫星信号的可用性等。步数和/或转动 使用速率信息来确定行人用户可以从最后的已知位置穿过的距离,基于哪个位置不确定度的增长被控制。

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