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公开(公告)号：US20240125916A1
公开(公告)日：2024-04-18
申请号：US18342641
申请日：2023-06-27
发明人： Rebal Al Jurdi , Hao Chen , Jianyuan Yu , Boon Loong Ng , Kyu-Hui Han , Jianzhong Zhang
IPC分类号： G01S13/76
CPC分类号： G01S13/765
摘要： An indoor positioning method includes scanning for registered Wi-Fi nodes with known coordinates to generate a list of the registered Wi-Fi nodes. The method also includes performing a ranging operation by (i) selecting nodes to range with from the list of the registered Wi-Fi nodes, and (ii) processing ranging responses from the selected nodes to generate a series of distance measurements. The method further includes obtaining a series of sensor readings generated by one or more inertial measurement units (IMUs) of a device. The method also includes estimating a position of the device based on the series of distance measurements and the series of sensor readings using first and second filtering operations that are performed in parallel.
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2.发明公开公开(公告)号：US20230408678A1
公开(公告)日：2023-12-21
申请号：US18325896
申请日：2023-05-30
发明人： Rebal Al Jurdi , Hao Chen , Boon Loong Ng , Kyu-Hui Han , Jianzhong Zhang
CPC分类号： G01S13/878 , G01S13/76 , H04W64/00 , H04W84/12
摘要： A method includes scanning for registered fine-time measurement (FTM)-enabled Wi-Fi nodes to generate a list of the FTM-enabled Wi-Fi nodes. The method also includes performing a ranging operation by (i) selecting nodes to range with from the list of the FTM-enabled Wi-Fi nodes and (ii) processing ranging responses from the selected nodes to generate distance measurements. The method further includes estimating a position of a device based on the distance measurements generated from the ranging operation.
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