公开(公告)号：US08364164B2

公开(公告)日：2013-01-29

申请号：US11464186

申请日：2006-08-11

申请人： Makarand Phatak ,  Marlene Wan ,  Lionel Garin ,  Vijayaraghavan Venkatasubramanian ,  Sanjai Kohli

发明人： Makarand Phatak ,  Marlene Wan ,  Lionel Garin ,  Vijayaraghavan Venkatasubramanian ,  Sanjai Kohli

IPC分类号： H04W24/00 ,  H04M11/04 ,  G01S3/02

CPC分类号： G01S5/0252 ,  H04W64/00

摘要： Systems and methods are described for determining location of wireless devices using signal strength of signals detected by the wireless devices. The strength of signals received from identifiable sources is typically compared to reference signal strength measurements collected or estimated at known locations. Information identifying the source of the signals is typically obtained from data provided in the signals. Mappers associate combinations of reference signal strengths with geometrically shaped geographical regions such that signal strength measurements can be used as indices to locate a region in which a wireless device can be found. Systems and methods are described for receiving signal strength information from known locations where the information can be used to update and improve mapping system databases.

摘要翻译： 描述了使用由无线设备检测到的信号的信号强度来确定无线设备的位置的系统和方法。 从可识别的源接收的信号的强度通常与在已知位置处收集或估计的参考信号强度测量进行比较。 识别信号源的信息通常从信号中提供的数据获得。 引导者将参考信号强度的组合与几何形状的地理区域相关联，使得信号强度测量可以用作定位可以找到无线设备的区域的索引。 描述了从已知位置接收信号强度信息的系统和方法，其中信息可用于更新和改进映射系统数据库。

公开(公告)号：US20080039114A1

公开(公告)日：2008-02-14

申请号：US11464186

申请日：2006-08-11

申请人： Makarand Phatak ,  Marlene Wan ,  Lionel Garin ,  Vijayaraghavan Venkatasubramanian ,  Sanjai Kohli

发明人： Makarand Phatak ,  Marlene Wan ,  Lionel Garin ,  Vijayaraghavan Venkatasubramanian ,  Sanjai Kohli

IPC分类号： H04Q7/20

CPC分类号： G01S5/0252 ,  H04W64/00

摘要： Systems and methods are described for determining location of wireless devices using signal strength of signals detected by the wireless devices. The strength of signals received from identifiable sources is typically compared to reference signal strength measurements collected or estimated at known locations. Information identifying the source of the signals is typically obtained from data provided in the signals. Mappers associate combinations of reference signal strengths with geometrically shaped geographical regions such that signal strength measurements can be used as indices to locate a region in which a wireless device can be found. Systems and methods are described for receiving signal strength information from known locations where the information can be used to update and improve mapping system databases.

摘要翻译： 描述了使用由无线设备检测到的信号的信号强度来确定无线设备的位置的系统和方法。 从可识别的源接收的信号的强度通常与在已知位置处收集或估计的参考信号强度测量进行比较。 识别信号源的信息通常从信号中提供的数据获得。 引导者将参考信号强度的组合与几何形状的地理区域相关联，使得信号强度测量可以用作定位可以找到无线设备的区域的索引。 描述了从已知位置接收信号强度信息的系统和方法，其中信息可用于更新和改进映射系统数据库。