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1. 发明授权

US09344125B2 Remote interference cancellation for communications systems 有权
标题翻译：通信系统的远程干扰消除
公开(公告)号：US09344125B2
公开(公告)日：2016-05-17
申请号：US13899529
申请日：2013-05-21
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Paul Dourbal , Yanhua Deng , Paul Prucnal , Andrew McCandless
IPC分类号： H04B1/10 , H04K3/00
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio frequency (RF) signals comprised of one or more signals of interest (SOI) and multiple interfering signals. An interference estimation processor (IEP) may be used to estimate the one or more interfering signals. The interfering signals may be estimated using spatial and/or time diversity, which may be combined with statistical methods. The estimated interfering signals may be sent to the ICS, which may use the estimated interference signal to cancel the interference and output the SOI.
摘要翻译：干扰消除系统（ICS）可以与通信系统一起使用，以防止或最小化来自一个或多个源的干扰。 ICS可以接收由一个或多个感兴趣信号（SOI）和多个干扰信号组成的射频（RF）信号。干扰估计处理器（IEP）可用于估计一个或多个干扰信号。可以使用可以与统计方法组合的空间和/或时间分集来估计干扰信号。估计的干扰信号可以发送到ICS，ICS可以使用估计的干扰信号来消除干扰并输出SOI。

2. 发明授权

US09748987B2 Interference cancellation system for cancelling interference in the optical domain 有权
公开(公告)号：US09748987B2
公开(公告)日：2017-08-29
申请号：US15217553
申请日：2016-07-22
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Yanhua Deng , Paul Prucnal , Andrew McCandless , Paul Dourbal
IPC分类号： H04B1/10 , H04B10/00 , H04K3/00 , H04B17/318 , H04B17/336 , H04L12/26 , H04B10/079 , H04B10/2507 , H04B10/2575
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： Systems and methods for cancelling interference from a received signal in order to properly detect a signal of interest are disclosed. A combined signal of interest plus interference signal may be received. A copy or sample of the interference signal may be determined. The interference signal and the combined signal of interest plus interference signal may be converted to the optical domain. The interference signal may be optically phase shifted by −180 degrees, which may result in an optically inverted interference signal. The optically inverted interference signal may be variably optically attenuated and/or variably optically time delayed, for example based on a detected output power of an optical subsystem of the interference cancellation system. As a result, interference cancellation of the interference signal from the combined signal of interest plus interference signal may be achieved, resulting in 50 dB or more of cancellation of the interference signal.

3. 发明申请

US20130309975A1 INTERFERENCE CANCELLATION SYSTEM 有权
标题翻译：干扰消除系统
公开(公告)号：US20130309975A1
公开(公告)日：2013-11-21
申请号：US13899368
申请日：2013-05-21
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Yanhua Deng , Paul Prucnal , Andrew McCandless , Paul Dourbal
IPC分类号： H04B1/10
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： Systems and methods for cancelling interference from a received signal in order to properly detect a signal of interest are disclosed. A combined signal of interest plus interference signal may be received. A copy or sample of the interference signal may be determined. The interference signal and the combined signal of interest plus interference signal may be converted to the optical domain. The interference signal may be optically phase shifted by −180 degrees, which may result in an optically inverted interference signal. The optically inverted interference signal may be variably optically attenuated and/or variably optically time delayed, for example based on a detected output power of an optical subsystem of the interference cancellation system. As a result, interference cancellation of the interference signal from the combined signal of interest plus interference signal may be achieved, resulting in 50 dB or more of cancellation of the interference signal.
摘要翻译：公开了用于消除来自接收信号的干扰以便适当地检测感兴趣的信号的系统和方法。可以接收感兴趣的组合信号和干扰信号。可以确定干扰信号的拷贝或采样。干扰信号和感兴趣的组合信号加上干扰信号可以转换成光域。干涉信号可以光学相移-180度，这可能导致光学反相干扰信号。光学反相干涉信号可以例如基于干扰消除系统的光学子系统的检测到的输出功率而被可变地光衰减和/或可变地光时延。结果，可以实现来自感兴趣的组合信号和干扰信号的干扰信号的干扰消除，导致干扰信号的消除的50dB或更多。

4. 发明授权

US09577687B2 Multiple interferer cancellation for communications systems 有权
标题翻译：多个干扰源取消通信系统
公开(公告)号：US09577687B2
公开(公告)日：2017-02-21
申请号：US15138345
申请日：2016-04-26
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Yanhua Deng , Paul Dourbal
IPC分类号： H04B1/00 , H04B1/10 , H04K3/00 , H04B10/00 , H04B17/318 , H04B17/336 , H04L12/26
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio RF signals comprised of one or more signals of interest (SOI) and multiple interfering signals. The ICS may use a sample of the interfering signals to cancel the interfering signals from the SOI. The multiple interfering signals may be converted into a single optical signal for cancellation. One or more optical cancellation paths may be used for interference cancellation. Each optical cancellation path may include an optical attenuator and/or an optical delay to achieve phase shifts and/or delays for interference cancellation.
摘要翻译：干扰消除系统（ICS）可以与通信系统一起使用，以防止或最小化来自一个或多个源的干扰。 ICS可以接收由一个或多个感兴趣信号（SOI）和多个干扰信号组成的射频信号。 ICS可以使用干扰信号的样本来消除来自SOI的干扰信号。多个干扰信号可以被转换成单个光信号用于消除。一个或多个光消除路径可用于干扰消除。每个光消除路径可以包括光衰减器和/或光延迟以实现用于干扰消除的相移和/或延迟。

5. 发明申请

US20170026126A1 INTERFERENCE CANCELLATION SYSTEM 审中-公开
标题翻译：干扰消除系统
公开(公告)号：US20170026126A1
公开(公告)日：2017-01-26
申请号：US15217553
申请日：2016-07-22
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Yanhua Deng , Paul Prucnal , Andrew McCandless , Paul Dourbal
IPC分类号： H04B10/2507 , H04L12/26 , H04B10/079 , H04B17/336 , H04B10/2575 , H04B1/10 , H04B17/318
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： Systems and methods for cancelling interference from a received signal in order to properly detect a signal of interest are disclosed. A combined signal of interest plus interference signal may be received. A copy or sample of the interference signal may be determined. The interference signal and the combined signal of interest plus interference signal may be converted to the optical domain. The interference signal may be optically phase shifted by −180 degrees, which may result in an optically inverted interference signal. The optically inverted interference signal may be variably optically attenuated and/or variably optically time delayed, for example based on a detected output power of an optical subsystem of the interference cancellation system. As a result, interference cancellation of the interference signal from the combined signal of interest plus interference signal may be achieved, resulting in 50 dB or more of cancellation of the interference signal.
摘要翻译：公开了用于消除来自接收信号的干扰以便适当地检测感兴趣的信号的系统和方法。可以接收感兴趣的组合信号和干扰信号。可以确定干扰信号的拷贝或采样。干扰信号和感兴趣的组合信号加上干扰信号可以转换成光域。干涉信号可以光学相移-180度，这可能导致光学反相干扰信号。光学反相干涉信号可以例如基于干扰消除系统的光学子系统的检测到的输出功率而被可变地光衰减和/或可变地光时延。结果，可以实现来自感兴趣的组合信号和干扰信号的干扰信号的干扰消除，导致干扰信号的消除的50dB或更多。

6. 发明申请

US20130308940A1 MULTIPLE INTERFERER CANCELLATION FOR COMMUNICATIONS SYSTEMS 有权
标题翻译：用于通信系统的多个干扰消除
公开(公告)号：US20130308940A1
公开(公告)日：2013-11-21
申请号：US13899505
申请日：2013-05-21
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Yanhua Deng , Paul Dourbal
IPC分类号： H04K3/00
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio RF signals comprised of one or more signals of interest (SOI) and multiple interfering signals. The ICS may use a sample of the interfering signals to cancel the interfering signals from the SOI. The multiple interfering signals may be converted into a single optical signal for cancellation. One or more optical cancellation paths may be used for interference cancellation. Each optical cancellation path may include an optical attenuator and/or an optical delay to achieve phase shifts and/or delays for interference cancellation.
摘要翻译：干扰消除系统（ICS）可以与通信系统一起使用，以防止或最小化来自一个或多个源的干扰。 ICS可以接收由一个或多个感兴趣信号（SOI）和多个干扰信号组成的射频信号。 ICS可以使用干扰信号的样本来消除来自SOI的干扰信号。多个干扰信号可以被转换成单个光信号用于消除。一个或多个光消除路径可用于干扰消除。每个光消除路径可以包括光衰减器和/或光延迟以实现用于干扰消除的相移和/或延迟。

7. 发明申请

US20140218240A1 INTERFEINTERFENCE CANCELLATION SYSTEM FOR LOCATION AND DIRECTION FINDING 有权
标题翻译：用于位置和方向寻找的互联网取消系统
公开(公告)号：US20140218240A1
公开(公告)日：2014-08-07
申请号：US14175840
申请日：2014-02-07
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland
IPC分类号： G01S5/02
CPC分类号： G01S5/0215 , G01S3/043 , G01S19/21
摘要： Systems and methods for cancelling interference while performing direction/location. A combined signal of interest plus interference signal may be received. A copy or sample of the interference signal may be determined. The interference signal and the combined signal of interest plus interference signal may be converted to the optical domain. The interference signal may be optically phase shifted by −180 degrees, which may result in an optically inverted interference signal. The optically inverted interference signal may be variably optically attenuated and/or variably optically time delayed. As a result, interference cancellation of the interference signal from the combined signal of interest plus interference signal may be achieved, resulting in 50 dB or more of cancellation of the interference signal. Direction and/or location finding techniques can be applied to received signals during and/or after interference cancellation.
摘要翻译：执行方向/位置时消除干扰的系统和方法。可以接收感兴趣的组合信号和干扰信号。可以确定干扰信号的拷贝或采样。干扰信号和感兴趣的组合信号加上干扰信号可以转换成光域。干涉信号可以光学相移-180度，这可能导致光学反相干扰信号。光反向干涉信号可以被可变地光学衰减和/或可变地光时延。结果，可以实现来自感兴趣的组合信号和干扰信号的干扰信号的干扰消除，导致干扰信号的消除的50dB或更多。方向和/或定位技术可以在干扰消除期间和/或之后应用于接收信号。

8. 发明申请

US20130308732A1 REMOTE INTERFERENCE CANCELLATION FOR COMMUNICATIONS SYSTEMS 有权
标题翻译：远程干扰消除通信系统
公开(公告)号：US20130308732A1
公开(公告)日：2013-11-21
申请号：US13899529
申请日：2013-05-21
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Paul Dourbal , Yanhua Deng , Paul Prucnal , Andrew McCandless
IPC分类号： H04B1/10
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio frequency (RF) signals comprised of one or more signals of interest (SOI) and multiple interfering signals. An interference estimation processor (IEP) may be used to estimate the one or more interfering signals. The interfering signals may be estimated using spatial and/or time diversity, which may be combined with statistical methods. The estimated interfering signals may be sent to the ICS, which may use the estimated interference signal to cancel the interference and output the SOI.
摘要翻译：干扰消除系统（ICS）可以与通信系统一起使用，以防止或最小化来自一个或多个源的干扰。 ICS可以接收由一个或多个感兴趣信号（SOI）和多个干扰信号组成的射频（RF）信号。干扰估计处理器（IEP）可用于估计一个或多个干扰信号。可以使用可以与统计方法组合的空间和/或时间分集来估计干扰信号。估计的干扰信号可以发送到ICS，ICS可以使用估计的干扰信号来消除干扰并输出SOI。

9. 发明授权

US09831901B2 Remote interference cancellation for communications systems 有权
公开(公告)号：US09831901B2
公开(公告)日：2017-11-28
申请号：US15138898
申请日：2016-04-26
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland , Paul Dourbal , Yanhua Deng , Paul Prucnal , Andrew McCandless
IPC分类号： H04K3/00 , H04B1/10 , H04B10/00 , H04B17/318 , H04B17/336 , H04L12/26 , H04B10/079 , H04B10/2507 , H04B10/2575
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B10/00 , H04B10/07955 , H04B10/2507 , H04B10/2575 , H04B17/318 , H04B17/336 , H04B2210/006 , H04K3/20 , H04K3/228 , H04L43/16
摘要： An interference cancellation system (ICS) may be used with a communication system to prevent or minimize interference from one or more sources. The ICS may receive radio frequency (RF) signals comprised of one or more signals of interest (SOI) and multiple interfering signals. An interference estimation processor (IEP) may be used to estimate the one or more interfering signals. The interfering signals may be estimated using spatial and/or time diversity, which may be combined with statistical methods. The estimated interfering signals may be sent to the ICS, which may use the estimated interference signal to cancel the interference and output the SOI.

10. 发明授权

US09651652B2 Interference cancellation system for location and direction finding 有权
公开(公告)号：US09651652B2
公开(公告)日：2017-05-16
申请号：US14175840
申请日：2014-02-07
申请人： L-3 Communications Corporation
发明人： Elias Bonaventure Kpodzo , Robert Holland
IPC分类号： G01S3/02 , G01S5/02 , G01S19/21
CPC分类号： G01S5/0215 , G01S3/043 , G01S19/21
摘要： Systems and methods for cancelling interference while performing direction/location. A combined signal of interest plus interference signal may be received. A copy or sample of the interference signal may be determined. The interference signal and the combined signal of interest plus interference signal may be converted to the optical domain. The interference signal may be optically phase shifted by −180 degrees, which may result in an optically inverted interference signal. The optically inverted interference signal may be variably optically attenuated and/or variably optically time delayed. As a result, interference cancellation of the interference signal from the combined signal of interest plus interference signal may be achieved, resulting in 50 dB or more of cancellation of the interference signal. Direction and/or location finding techniques can be applied to received signals during and/or after interference cancellation.

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