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    • 6. 发明授权
    • Method and apparatus for generating positioning assistance data
    • 用于产生定位辅助数据的方法和装置
    • US09204260B2
    • 2015-12-01
    • US13801640
    • 2013-03-13
    • QUALCOMM Incorporated
    • Chandrakant MehtaSaumitra Mohan DasAbhinav Sharma
    • G08G1/123H04W4/04
    • H04W4/043
    • Systems and methods are provided herein for assistance data generation based on raster images, such as raster images of floor plans. A method provided herein for generating positioning assistance data includes obtaining a first raster image including a floor plan of an area; obtaining geographic reference information corresponding to the area, the geographic reference information including a location of the area; extracting structural features of the area from the floor plan of the area via the first raster image; and generating assistance data for the area based on the extracted structural features and the geographic reference information.
    • 本文提供了基于光栅图像的辅助数据生成的系统和方法,例如平面图的光栅图像。 本文提供的用于产生定位辅助数据的方法包括获得包括区域的平面图的第一光栅图像; 获取与所述区域对应的地理参考信息,所述地理参考信息包括所述区域的位置; 通过第一光栅图像从区域的平面图提取该区域的结构特征; 以及基于所提取的结构特征和地理参考信息来生成针对该区域的辅助数据。
    • 9. 发明授权
    • Utilizing a reference signal for indoor positioning
    • 利用参考信号进行室内定位
    • US09500738B2
    • 2016-11-22
    • US15167049
    • 2016-05-27
    • QUALCOMM Incorporated
    • Stephen William EdgeChandrakant MehtaAndreas Klaus Wachter
    • G01S1/08G01S5/08H04W64/00H04W4/02
    • G01S5/08G01S1/66G01S5/0273H04W4/025H04W64/006
    • Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate or support one or more operations or techniques for utilizing a reference signal for indoor positioning, such as for use in or with a mobile communication device, for example. In an implementation, a reference signal may be focused into a directed beam, for example using a phased antenna array, and rotated electronically through a sequence of directional angles in a horizontal plane. A mobile device may determine a most probable directional angle from one or more transmitters transmitting a directional beam, measure one or more parameters for each directional angle and determine a location estimate using, for example triangulation.
    • 本文所公开的示例性方法,装置或制品可以全部或部分地用于促进或支持用于利用室内定位的参考信号的一个或多个操作或技术,例如用于或与 移动通信设备。 在实现中,参考信号可以被聚焦到有向束中,例如使用相控天线阵列,并且通过水平面中的一系列方向角度电子地旋转。 移动设备可以从发送定向波束的一个或多个发射机确定最可能的方向角度,测量每个方向角度的一个或多个参数,并使用例如三角测量来确定位置估计。