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1. 发明授权

US08837728B2 Server algorithms to improve space based authentication 有权
标题翻译：服务器算法来改进基于空间的认证
公开(公告)号：US08837728B2
公开(公告)日：2014-09-16
申请号：US13653401
申请日：2012-10-16
申请人： Per K. Enge , David Lawrence , Michael L. O'Connor , Michael L. Eglington , Gregory M. Gutt , David A. Whelan
发明人： Per K. Enge , David Lawrence , Michael L. O'Connor , Michael L. Eglington , Gregory M. Gutt , David A. Whelan
IPC分类号： H04K1/00 , G01S19/00 , G06F12/00
CPC分类号： H04L9/32 , G01S19/06 , G01S19/215 , H04L67/42 , H04W12/06
摘要： A system and methods for location authentication are presented. An estimated server signal is estimated based on a generated known code signal, and a client received satellite signal is received from a client device. The client received satellite signal is compared to the estimated server signal to provide a comparison result.
摘要翻译：介绍了一种用于位置认证的系统和方法。基于生成的已知码信号来估计服务器信号，并且从客户端装置接收客户接收到的卫星信号。将客户端接收的卫星信号与估计的服务器信号进行比较，以提供比较结果。

2. 发明申请

US20140104103A1 SERVER ALGORITHMS TO IMPROVE SPACE BASED AUTHENTICATION 有权
标题翻译：服务器算法改进基于空白的认证
公开(公告)号：US20140104103A1
公开(公告)日：2014-04-17
申请号：US13653401
申请日：2012-10-16
申请人： Per K. Enge , David Lawrence , Michael L. O'Connor , Michael L. Eglington , Gregory M. Gutt , David A. Whelan
发明人： Per K. Enge , David Lawrence , Michael L. O'Connor , Michael L. Eglington , Gregory M. Gutt , David A. Whelan
IPC分类号： G06F21/00 , G01S19/25
CPC分类号： H04L9/32 , G01S19/06 , G01S19/215 , H04L67/42 , H04W12/06
摘要： A system and methods for location authentication are presented. An estimated server signal is estimated based on a generated known code signal, and a client received satellite signal is received from a client device. The client received satellite signal is compared to the estimated server signal to provide a comparison result.
摘要翻译：介绍了一种用于位置认证的系统和方法。基于生成的已知码信号来估计服务器信号，并且从客户端装置接收客户接收到的卫星信号。将客户端接收的卫星信号与估计的服务器信号进行比较，以提供比较结果。

3. 发明授权

US08811614B2 Space based authentication utilizing signals from low and medium earth orbit 有权
标题翻译：基于空间的认证，利用来自低和中等轨道的信号
公开(公告)号：US08811614B2
公开(公告)日：2014-08-19
申请号：US13653385
申请日：2012-10-16
申请人： Per K. Enge , David A. Whelan , Gregory M. Gutt , David Lawrence
发明人： Per K. Enge , David A. Whelan , Gregory M. Gutt , David Lawrence
IPC分类号： H04K1/00
CPC分类号： H04B1/707 , G01S19/03 , G01S19/215 , H04B7/1851 , H04B7/19 , H04K3/22 , H04K3/65 , H04K3/86 , H04K3/90 , H04K2203/32 , H04W4/02 , H04W12/06
摘要： A system and methods for location-based authentication using medium earth orbit (MEO) and low earth orbit (LEO) satellites are presented. Location of a client device is authenticated based on at least one client received MEO satellite signal received from at least one MEO satellite at the client device and at least one client received LEO satellite signal received from at least one LEO satellite at the client device.
摘要翻译：介绍了使用中等地球轨道（MEO）和低地球轨道（LEO）卫星的基于位置的认证的系统和方法。客户端设备的位置基于从客户端设备的至少一个MEO卫星接收到的至少一个客户端接收到的MEO卫星信号进行认证，并且至少一个客户端接收从客户端设备的至少一个LEO卫星接收的LEO卫星信号。

4. 发明申请

US20140104102A1 SPACE BASED AUTHENTICATION UTILIZING SIGNALS FROM LOW AND MEDIUM EARTH ORBIT 有权
公开(公告)号：US20140104102A1
公开(公告)日：2014-04-17
申请号：US13653385
申请日：2012-10-16
申请人： Per K. Enge , David A. Whelan , Gregory M. Gutt , David Lawrence
发明人： Per K. Enge , David A. Whelan , Gregory M. Gutt , David Lawrence
IPC分类号： G01S19/05
CPC分类号： H04B1/707 , G01S19/03 , G01S19/215 , H04B7/1851 , H04B7/19 , H04K3/22 , H04K3/65 , H04K3/86 , H04K3/90 , H04K2203/32 , H04W4/02 , H04W12/06
摘要： A system and methods for location-based authentication using medium earth orbit (MEO) and low earth orbit (LEO) satellites are presented. Location of a client device is authenticated based on at least one client received MEO satellite signal received from at least one MEO satellite at the client device and at least one client received LEO satellite signal received from at least one LEO satellite at the client device.

5. 发明授权

US08843313B2 Multipath isolation through the combined use of antenna diversity and frequency diversity 有权
标题翻译：通过组合使用天线分集和频率多样性进行多径隔离
公开(公告)号：US08843313B2
公开(公告)日：2014-09-23
申请号：US13495958
申请日：2012-06-13
申请人： Per K. Enge , Bart Ferrell , Gregory M. Gutt , James C. Lassa , Michael A. Rizzo , David A. Whelan
发明人： Per K. Enge , Bart Ferrell , Gregory M. Gutt , James C. Lassa , Michael A. Rizzo , David A. Whelan
IPC分类号： G01S19/22 , G01S19/47 , G01S19/50
CPC分类号： G01S19/22 , G01S19/47 , G01S19/50
摘要： A method, system, and apparatus are disclosed for multipath isolation through the combined use of antenna diversity and frequency diversity. In particular, the present disclosure utilizes antenna diversity and frequency diversity to combat the deleterious effects of reflected signals on the positioning accuracy of satellite navigation systems. In at least one embodiment, the present disclosure uses two antennas and two frequencies for operation with a satellite navigation system. The present disclosure segregates the antennas and frequencies into two classes: references and monitors. The reference measurements are used for estimating the state of the vehicle, and the monitor measurements are used to detect faults that might degrade the reference estimation. Thus, the present disclosure enables an improvement in the positioning error experienced by roving users in downtown and indoor environments. Applications include positive train control, aircraft surface guidance, marine craft navigation in canals and ports, as well as automotive lane keeping.
摘要翻译：公开了通过天线分集和频率分集的组合使用来进行多径隔离的方法，系统和装置。特别地，本公开利用天线分集和频率分集来对抗反射信号对卫星导航系统的定位精度的有害影响。在至少一个实施例中，本公开使用两个天线和两个频率来与卫星导航系统一起操作。本公开将天线和频率分为两类：参考和监视器。参考测量用于估计车辆的状态，并且使用监视器测量来检测可能降低参考估计的故障。因此，本公开使得能够改善在市中心和室内环境中流动用户所经历的定位误差。应用包括积极的列车控制，飞机表面导航，运河和港口的船舶导航，以及汽车车道保养。

6. 发明申请

US20130335268A1 Multipath Isolation Through the Combined Use of Antenna Diversity and Frequency Diversity 有权
标题翻译：通过天线分集和频率多样性的组合使用进行多路径隔离
公开(公告)号：US20130335268A1
公开(公告)日：2013-12-19
申请号：US13495958
申请日：2012-06-13
申请人： Per K. Enge , Bart Ferrell , Gregory M. Gutt , James C. Lassa , Michael A. Rizzo , David A. Whelan
发明人： Per K. Enge , Bart Ferrell , Gregory M. Gutt , James C. Lassa , Michael A. Rizzo , David A. Whelan
IPC分类号： G01S19/22
CPC分类号： G01S19/22 , G01S19/47 , G01S19/50
摘要： A method, system, and apparatus are disclosed for multipath isolation through the combined use of antenna diversity and frequency diversity. In particular, the present disclosure utilizes antenna diversity and frequency diversity to combat the deleterious effects of reflected signals on the positioning accuracy of satellite navigation systems. In at least one embodiment, the present disclosure uses two antennas and two frequencies for operation with a satellite navigation system. The present disclosure segregates the antennas and frequencies into two classes: references and monitors. The reference measurements are used for estimating the state of the vehicle, and the monitor measurements are used to detect faults that might degrade the reference estimation. Thus, the present disclosure enables an improvement in the positioning error experienced by roving users in downtown and indoor environments. Applications include positive train control, aircraft surface guidance, marine craft navigation in canals and ports, as well as automotive lane keeping.
摘要翻译：公开了通过天线分集和频率分集的组合使用来进行多径隔离的方法，系统和装置。特别地，本公开利用天线分集和频率分集来对抗反射信号对卫星导航系统的定位精度的有害影响。在至少一个实施例中，本公开使用两个天线和两个频率来与卫星导航系统一起操作。本公开将天线和频率分为两类：参考和监视器。参考测量用于估计车辆的状态，并且使用监视器测量来检测可能降低参考估计的故障。因此，本公开使得能够改善在市中心和室内环境中流动用户所经历的定位误差。应用包括积极的列车控制，飞机表面导航，运河和港口的船舶导航，以及汽车车道保养。

7. 发明授权

US08509488B1 Image-aided positioning and navigation system 有权
标题翻译：图像辅助定位导航系统
公开(公告)号：US08509488B1
公开(公告)日：2013-08-13
申请号：US12711913
申请日：2010-02-24
申请人： Per K. Enge , Yi-Hsiu Wang
发明人： Per K. Enge , Yi-Hsiu Wang
IPC分类号： G06K9/00 , G06K9/20
CPC分类号： G01C21/3623
摘要： Satellite-based navigation techniques can help determine a user's position on a map and can also determine directions to a destination. Functionality can be implemented to determine the user's orientation and direction of motion based on a captured image taken in the direction of motion. The captured image may be preprocessed to compensate for a camera angle and to vary image properties before being transmitted to a server. The user's orientation may be determined based, at least in part, on knowledge of a user's position on a map and comparing the captured image to a set of other images. Walking directions can accordingly be tailored based on the user's orientation.
摘要翻译：基于卫星的导航技术可以帮助确定用户在地图上的位置，并且还可以确定到目的地的方向。可以实现功能，以基于沿运动方向拍摄的拍摄图像来确定用户的方向和运动方向。捕获的图像可以被预处理以补偿相机角度并且在传送到服务器之前改变图像属性。可以至少部分地基于用户在地图上的位置的知识并将捕获的图像与一组其他图像进行比较来确定用户的取向。因此，步行方向可以根据用户的方向进行调整。

8. 发明申请

US20130060955A1 AUTHENTICATION BASED ON RANDOM BITS IN SATELLITE NAVIGATION MESSAGES 有权
公开(公告)号：US20130060955A1
公开(公告)日：2013-03-07
申请号：US13603316
申请日：2012-09-04
申请人： Per K. Enge
发明人： Per K. Enge
IPC分类号： G06F15/16
CPC分类号： G01S19/215 , G01S19/09 , H04W12/08 , H04W12/10 , H04W12/12
摘要： A system and methods for location authentication are presented. A subset of demodulated server received navigation signals are selected synchronized to client bit frames to provide synchronized server bit frames. A function of the synchronized server bit frames is computed to provide a server signature set. A client signature set and the server signature set are compared to provide a comparison result, and a location of a client device is authenticated based on the comparison result.

9. 发明授权

US08068054B2 Receiver with means for ensuring bona fide of received signals 有权
标题翻译：接收机具有确保收到信号的真实性的手段
公开(公告)号：US08068054B2
公开(公告)日：2011-11-29
申请号：US12012470
申请日：2008-02-02
申请人： Peter Levin , David S. De Lorenzo , Per K. Enge , Sherman C. Lo
发明人： Peter Levin , David S. De Lorenzo , Per K. Enge , Sherman C. Lo
IPC分类号： G01S19/03 , G01S19/09 , G01S19/32
CPC分类号： G01S19/21 , G01S19/29
摘要： A receiver that receives a plurality of signals that are modulated with a common carrier, where each signal of said signals originates at a different source and experiences a transit delay and Doppler frequency shift before reaching the receiver, and where the transit delay and Doppler frequency shift are related to position and movement of each of the respective sources. The receiver includes means, such as a directional antenna, to ensure that the received signals are bona fide, or at least not subject to the same bogus signal or signals to which a second receiver may be subjected.
摘要翻译：接收器，其接收由公共载波调制的多个信号，其中所述信号的每个信号源于不同的源，并且在到达接收机之前经历传输延迟和多普勒频移，并且其中传输延迟和多普勒频移与各个源的位置和移动有关。接收机包括诸如定向天线的装置，以确保所接收的信号是真实的，或者至少不受第二接收机可能遭受的相同的虚假信号或信号的影响。

10. 发明申请

US20100284442A1 Authenticating a signal based on an unknown component thereof 有权
标题翻译：基于其未知分量验证信号
公开(公告)号：US20100284442A1
公开(公告)日：2010-11-11
申请号：US12012416
申请日：2008-02-02
申请人： Peter Levin , David S. De Lorenzo , Per K. Enge , Sherman C. Lo
发明人： Peter Levin , David S. De Lorenzo , Per K. Enge , Sherman C. Lo
IPC分类号： H04L27/06 , H04B1/707
CPC分类号： H04B1/707 , H04B2201/70715
摘要： Authentication of a signal, signalA, that is provided as having been received from a source at a first global location by comparing it to a signal that is received from the source at a second global location, signalB, where signalB contains an unknown signal that is unique to the source, and determining that signalA contains the same unknown signal that is contained in signalB.
摘要翻译：通过将其与在第二全局位置处的源接收的信号进行比较而被提供为从第一全局位置的源接收的信号的信号A，信号B，其中信号B包含未知信号，并且确定信号A包含与signalB中包含的相同的未知信号。

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