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公开(公告)号：US09706358B2
公开(公告)日：2017-07-11
申请号：US14783179
申请日：2013-04-12
发明人： Souvik Sen , Jeongkeun Lee
摘要： A first energy of a signal received from a mobile device is computed at a device based on information available at a physical (PHY) layer of the mobile device. A second energy of the received signal is computed. A path-loss exponent of the received signal is computed based on a line-of-sight (LoS) factor (lfactor) of the signal. A distance of the mobile device to the device is computed based on the first energy, the second energy, and the path-loss exponent of the received signal.
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公开(公告)号：US09686765B2
公开(公告)日：2017-06-20
申请号：US14782856
申请日：2013-04-12
发明人： Souvik Sen , Jeongkeun Lee , Kyu-Han Kim
CPC分类号： H04W64/00 , G01S3/04 , G01S5/0215 , G01S5/12 , H04W4/023
摘要： A signal transmitted from a mobile device is received at a device. A change in angle-of-arrival (AoA) of the signal is computed as the mobile device moves from a first location to a second location. A first distance and a second distance of the mobile from the device corresponding to the first and second locations, respectively are computed. A displacement of the mobile device from the first location to the second location is computed based on mobility information provided by a sensor of the mobile device. A change in an angle of direct path (ANDP) of the signal is computed based on the first distance, the second distance, and the displacement. The ANDP is determined based on a comparison of the change in AoA to the change in ANDP.
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公开(公告)号：US20160073372A1
公开(公告)日：2016-03-10
申请号：US14782856
申请日：2013-04-12
发明人： Souvik Sen , Jeongkeun Lee , Kyu-han Kim
CPC分类号： H04W64/00 , G01S3/04 , G01S5/0215 , G01S5/12 , H04W4/023
摘要： A signal transmitted from a mobile device is received at a device. A change in angle-of-arrival (AoA) of the signal is computed as the mobile device moves from a first location to a second location. A first distance and a second distance of the mobile from the device corresponding to the first and second locations, respectively are computed. A displacement of the mobile device from the first location to the second location is computed based on mobility information provided by a sensor of the mobile device. A change in an angle of direct path (ANDP) of the signal is computed based on the first distance, the second distance, and the displacement. The ANDP is determined based on a comparison of the change in AoA to the change in ANDP.
摘要翻译： 在设备处接收从移动设备发送的信号。 当移动设备从第一位置移动到第二位置时，计算信号的到达角度（AoA）的变化。 计算移动装置与第一和第二位置对应的装置的第一距离和第二距离。 基于由移动设备的传感器提供的移动性信息来计算移动设备从第一位置到第二位置的位移。 基于第一距离，第二距离和位移来计算信号的直接路径（ANDP）的角度的变化。 根据AoA的变化与ANDP变化的比较，确定ANDP。
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公开(公告)号：US20160037302A1
公开(公告)日：2016-02-04
申请号：US14783179
申请日：2013-04-12
发明人： Souvik Sen , Jeongkeun Lee
摘要： A first energy of a signal received from a mobile device is computed at a device based on information available at a physical (PHY) layer of the mobile device. A second energy of the received signal is computed. A path-loss exponent of the received signal is computed based on a line-of-sight (LoS) factor (lfactor) of the signal. A distance of the mobile device to the device is computed based on the first energy, the second energy, and the path-loss exponent of the received signal.
摘要翻译： 基于在移动设备的物理（PHY）层可用的信息，在设备处计算从移动设备接收的信号的第一能量。 计算接收信号的第二能量。 基于信号的视线（LoS）因子（lfactor）来计算接收信号的路径损耗指数。 基于接收信号的第一能量，第二能量和路径损耗指数来计算移动设备到设备的距离。
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