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31.
公开(公告)号:US20120176491A1
公开(公告)日:2012-07-12
申请号:US13173984
申请日:2011-06-30
申请人: Lionel J. Garin , Ayman Naguib , Charles A. Bergan
发明人: Lionel J. Garin , Ayman Naguib , Charles A. Bergan
IPC分类号: H04N7/18
CPC分类号: G01S19/235 , G01S19/49
摘要: An apparatus and method for estimating a position of a mobile device based on one or more images is disclosed. Positioning information is derived from an image containing an SAS (self-addressing source such as a QR code), thereby setting a first vector V1 and an SAS pose. The image is also used to determine a displacement between the mobile device and the self-addressing source, thereby setting a second vector V2. Using the first vector V1, the SAS pose and the second vector V2, the mobile device may estimate its position with high accuracy and may also recalibrate dead-reckoning navigation and a gyrometer.
摘要翻译: 公开了一种用于基于一个或多个图像来估计移动设备的位置的装置和方法。 从包含SAS(诸如QR码的自寻址源)的图像导出定位信息,由此设置第一矢量V1和SAS姿态。 该图像还用于确定移动设备和自寻址源之间的位移,由此设置第二向量V2。 使用第一矢量V1,SAS姿态和第二矢量V2,移动设备可以高精度地估计其位置,并且还可以重新校准推算导航和陀螺仪。
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公开(公告)号:US20120021758A1
公开(公告)日:2012-01-26
申请号:US12841936
申请日:2010-07-22
IPC分类号: H04W64/00
CPC分类号: G01S5/04
摘要: Disclosed is an apparatus, system and method for determining a location of a mobile device based on a location of a wireless network node, a distance between the wireless network node and the mobile device, and a bearing from the wireless network node to the mobile device, wherein the bearing is determined based on a directional signal and magnetometer measurements.
摘要翻译: 公开了一种用于基于无线网络节点的位置,无线网络节点和移动设备之间的距离以及从无线网络节点到移动设备的方位确定移动设备的位置的装置,系统和方法 ,其中所述轴承是基于定向信号和磁力计测量来确定的。
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33.
公开(公告)号:US20090115660A1
公开(公告)日:2009-05-07
申请号:US12176859
申请日:2008-07-21
IPC分类号: G01S5/02
CPC分类号: G01S19/27 , G01S19/05 , G01S19/20 , G01S19/258 , G01S19/51
摘要: Devices and methods are described for determining position information without broadcast ephemeris data for extended time periods. A server or client device receives or collects historical state data of satellites of a satellite-based positioning system and generates predictions of future satellite trajectories for future time periods. When a server generates the predictions, the predictions are subsequently transferred to a client device. The client device selects predictions appropriate to time of interest. The time can be any time during a period of at least seven calendar days. The client device reconstructs satellite states using information on the predictions and uses the reconstructed satellite states to acquire satellite signals as appropriate to the current location and time of the client device. The client device determines and/or tracks its position using information of the satellite states and timing information of the satellite signals.
摘要翻译: 描述了用于确定位置信息而不延长时间段的广播星历数据的装置和方法。 服务器或客户端设备接收或收集基于卫星的定位系统的卫星的历史状态数据,并且对将来的时间段的未来卫星轨迹产生预测。 当服务器生成预测时,预测将随后传送到客户端设备。 客户端设备选择适合于感兴趣时间的预测。 时间可以是至少七个日历日的任何时间。 客户端设备使用关于预测的信息来重构卫星状态,并且使用重建的卫星状态来适当地获取与客户端设备的当前位置和时间相关的卫星信号。 客户端设备使用卫星信号的信息和卫星信号的定时信息确定和/或跟踪其位置。
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