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1.发明申请METHODS AND SYSTEMS FOR PROVIDING INTERFERENCE BASED PHYSICAL-LAYER ENCRYPTION 审中-公开用于提供基于干扰的物理层加密的方法和系统
公开(公告)号：WO2012173749A2
公开(公告)日：2012-12-20
申请号：PCT/US2012/039000
申请日：2012-05-22
Applicant: COMTECH EF DATA CORP.
Inventor： AKHAVAN-TOYSERKANI, Kasra , RIPPLE, Andrew , BEELER, Michael , MAMARIL, Cris
CPC classification number: H04K1/02
Abstract: A method for encrypting an information carrier comprising generating a sequence of data using a sequence generator, modulating, using a first modulator an output from the sequence generator such that an interference signal results, encoding the interference generator's synchronization information using an encoder, modulating, using a second modulator, the encoded synchronization information such that a synchronization carrier signal results, spreading the synchronization carrier signal using a spreader such that a spread sub-carrier synchronization signal results, and combining the modulated information carrier signal, interference signal, and spread sub-carrier synchronization signal using a signal combiner such that a composite signal results, the interference signal having one or more signal characteristics that results in obfuscation of the information carrier signal when the information carrier signal and interference signal are combined.
Abstract translation: 一种用于加密信息载体的方法，包括使用序列发生器生成数据序列，使用第一调制器调制来自序列发生器的输出，使得使用编码器对干扰发生器的同步信息进行编码的干扰信号进行调制，使用 第二调制器，编码的同步信息，使得同步载波信号结果，使用扩展器扩展同步载波信号，使得扩展的子载波同步信号结果，并将调制的信息载波信号，干扰信号和扩展子信号组合， 载波同步信号使用信号组合器，使得复合信号导致干扰信号具有当信息载波信号和干扰信号被组合时导致信息载体信号混淆的一个或多个信号特性。
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2.发明申请
公开(公告)号：WO2012122560A3
公开(公告)日：2012-09-13
申请号：PCT/US2012/028661
申请日：2012-03-10
Applicant: COMTECH EF DATA CORP.
Inventor： BEELER, Michael , HARIG, Jeffrey , DAVIS, Wallace , MORRIS, Frederick , MAMARIL, Cris
Abstract: A method for remotely and dynamically controlling adjacent satellite interference comprising monitoring one or more off-axis signals emitted by one or more remote transmitters; determining whether one or more of the off-axis signals is creating adjacent satellite interference (ASI), off axis emissions and inband interference that is higher than a predetermined level of acceptable interference, and transmitting a control signal to at least one of the one or more remote transmitters in response to the determination that the one or more off-axis signals is creating interference that is higher than the predetermined level of acceptable interference, the control signal initiating an adjustment to one or more transmission parameters of the one or more remote transmitters such that interference resulting from the one or more off-axis signals emitted by the one or more remote transmitters is reduced or eliminated.
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公开(公告)号：WO2012109156A3
公开(公告)日：2012-08-16
申请号：PCT/US2012/024012
申请日：2012-02-06
Applicant: COMTECH EF DATA CORP.
Inventor： BEELER, Michael , MORRIS, Frederick , HARIG, Jeffrey , MAMARIL, Cris
Abstract: A communication method for embedding a meta-carrier under an original carrier signal with reduced or minimal original carrier signal degradation, the method comprising transmitting an original carrier signal and transmitting a meta-carrier signal separate from the original carrier signal, wherein the meta-carrier signal contains information about an original carrier signal, is extractable under an interfered condition, and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal.
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4.发明申请META-CARRIER EMBEDDING TECHNIQUE WITH IMPROVED PERFORMANCE FOR BPSK, MSK, AND O-QPSK MODULATION 审中-公开具有改进性能的BPSK，MSK和O-QPSK调制的META-CARRIER嵌入技术
公开(公告)号：WO2013003851A1
公开(公告)日：2013-01-03
申请号：PCT/US2012/045289
申请日：2012-07-02
Applicant: COMTECH EF DATA CORP.
Inventor： CANNON, Richard, Hollingsworth , BEELER, Michael , MAMARIL, Cris
IPC: H04B1/707
CPC classification number: H04L27/183 , H04B1/707 , H04B2201/70716 , H04L27/3461
Abstract: A method of embedding information within a burst carrier signal, the method comprising modulating meta-data using a modulator such that a meta-carrier signal results, lowering a Power Spectral Density (PSD) of the meta-carrier signal by Direct Sequence Spread Spectrum (DSSS) chipping the meta-carrier signal using a linear Pseudo-Random Number (PRN) sequence, embedding one or more modulated symbols of the meta-carrier signal within an unused portion of one or more quadrants of a modulation constellation of a burst carrier signal such that a composite carrier signal results, and synchronously transmitting the composite carrier signal using a transmitter such that symbols of the meta-carrier signal are synchronized with symbols of the burst carrier signal.
Abstract translation: 一种在突发载波信号内嵌入信息的方法，所述方法包括使用调制器调制元数据，使得元载波信号导致，通过直接序列扩展频谱降低元载波信号的功率谱密度（PSD） DSSS）使用线性伪随机数（PRN）序列削减元载波信号，将元载波信号的一个或多个调制符号嵌入突发载波信号的调制星座的一个或多个象限的未使用部分内 使得复合载波信号产生，并且使用发射机同步发送复合载波信号，使得元载波信号的符号与突发载波信号的符号同步。
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5.发明申请
公开(公告)号：WO2012174018A2
公开(公告)日：2012-12-20
申请号：PCT/US2012/042098
申请日：2012-06-12
Applicant: COMTECH EF DATA CORP.
Inventor： CANNON, Richard, Hollingsworth , DUBIN, Louis , MAMARIL, Cris
CPC classification number: H04B15/00 , H04B7/18526
Abstract: A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral inversion of one of the first and second carrier signals using a modulator, transmitting the first and second carrier signals within a bandwidth to a remote receiver using a transmitting device such that a composite carrier signal results, and cancelling at least one of the first carrier signal from the composite carrier signal using a cancellation technique such that the second carrier signal results on one end of the link and the second carrier signal from the composite carrier signal using a cancellation technique such that the first carrier signal results on the opposite end of the link.
Abstract translation: 一种降低对称自适应消除器链路中的信号相关性的方法，包括通过使用调制器对所述第一载波信号和所述第二载波信号之一进行频谱反转，以使第一载波信号和第二载波信号之一频谱反相， 在使用发射设备的远程接收机的带宽内的信号，使得复合载波信号结果，并且使用消除技术从复合载波信号中消除第一载波信号中的至少一个，使得第二载波信号导致 来自复合载波信号的链路和第二载波信号，使用消除技术，使得第一载波信号导致链路的相对端。
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Patent Agency Ranking6.发明申请EMBEDDED META-CARRIER WITH SPREAD SPECTRUM FOR PERIODIC-BURST CARRIERS VIA OVERLAID CARRIERS 审中-公开嵌入式传感器，带有通过过载载波的周期性冲击载波的传播频谱
公开(公告)号：WO2013165436A1
公开(公告)日：2013-11-07
申请号：PCT/US2012/036522
申请日：2012-05-04
Applicant: COMTECH EF DATA CORP.
Inventor： BEELER, Michael , MAMARIL, Cris , HARIG, Jeffrey
CPC classification number: H04B1/707
Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original earner signal during the presence of the burst of electromagnetic energy.
Abstract translation: 一种用于识别电子传输的存在的方法，包括由检测装置检测由原始载波信号的存在产生的电磁能量的突发的存在，并由发射装置发射扩频元载波 在原始载波信号的带宽的一部分内的信号，其中，所述元载波信号包含关于原始载波信号的信息，并且被传输，使得元载波信号占据原始载波信号的带宽的至少一部分 存在电磁能量的爆发。
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公开(公告)号：WO2013003633A1
公开(公告)日：2013-01-03
申请号：PCT/US2012/044715
申请日：2012-06-28
Applicant: COMTECH EF DATA CORP.
Inventor： BEELER, Michael , MORRIS, Frederick , MAMARIL, Cris , HARIG, Jeffrey , CANNON, Richard, Hollingsworth , BANISTER, Brian, A.
CPC classification number: H04B1/707 , H04B1/7097 , H04L27/3488
Abstract: A method of embedding and transmitting a meta-data message in an original burst carrier signal for message reassembly comprising spreading a meta-carrier signal using a Direct Sequence Spread Spectrum (DSSS) spreading code having a Pseudo-Random Noise (PRN) spreading code sequence, the meta-carrier signal comprising one or more bits of meta-data information about the original burst carrier signal, lowering a power spectral density of the meta- carrier signal using the PRN spreading code such that interference with the original signal is reduced, combining the original burst carrier and the meta-carrier signals using a modulator such that a composite burst carrier signal results wherein the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier, and transmitting the composite burst carrier using a transmitter over a telecommunications channel in which only one burst carrier signal is expected to be present within a predetermined frequency bandwidth at a point in time.
Abstract translation: 一种在原始突发载波信号中嵌入和发送元数据消息用于消息重新组合的方法，包括使用具有伪随机噪声（PRN）扩展码序列的直接序列扩频（DSSS）扩展码扩展元载波信号 元载波信号包括关于原始脉冲串载波信号的元数据信息的一个或多个位，使用PRN扩展码降低元载波信号的功率谱密度，从而减少对原始信号的干扰，组合 使用调制器的原始突发载波和元载波信号，使得复合突发载波信号导致元载波信号占据原始载波的带宽的至少一部分，并且使用发射机发射复合突发载波 在ap处，期望在预定频带内预期存在一个突发载波信号的电信信道 及时点燃
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8.发明公开META-CARRIER EMBEDDING TECHNIQUE WITH IMPROVED PERFORMANCE FOR BPSK, MSK, AND O-QPSK MODULATION 审中-公开具有改进性能的BPSK，MSK和O-QPSK调制元载波嵌入方法
公开(公告)号：EP2732557A1
公开(公告)日：2014-05-21
申请号：EP12804250.4
申请日：2012-07-02
Applicant: Comtech EF Data Corp.
Inventor： CANNON, Richard, Hollingsworth , BEELER, Michael , MAMARIL, Cris
IPC: H04B1/707
CPC classification number: H04L27/183 , H04B1/707 , H04B2201/70716 , H04L27/3461
Abstract: A method of embedding information within a burst carrier signal, the method comprising modulating meta-data using a modulator such that a meta-carrier signal results, lowering a Power Spectral Density (PSD) of the meta-carrier signal by Direct Sequence Spread Spectrum (DSSS) chipping the meta-carrier signal using a linear Pseudo-Random Number (PRN) sequence, embedding one or more modulated symbols of the meta-carrier signal within an unused portion of one or more quadrants of a modulation constellation of a burst carrier signal such that a composite carrier signal results, and synchronously transmitting the composite carrier signal using a transmitter such that symbols of the meta-carrier signal are synchronized with symbols of the burst carrier signal.
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9.发明公开EMBEDDED META-CARRIER WITH SPREAD SPECTRUM FOR PERIODIC-BURST CARRIERS VIA OVERLAID CARRIERS 审中-公开嵌入式元载波扩频载波分层承运人的载波周期性突发
公开(公告)号：EP2777237A1
公开(公告)日：2014-09-17
申请号：EP12875919.8
申请日：2012-05-04
Applicant: Comtech EF Data Corp.
Inventor： BEELER, Michael , MAMARIL, Cris , HARIG, Jeffrey
CPC classification number: H04B1/707
Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original earner signal during the presence of the burst of electromagnetic energy.
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10.发明公开CORRELATION PREVENTION METHODS FOR SATELLITE ADAPTIVE CANCELLATION LINKS 审中-公开方法的预防自适应相关卫星中断CONNECTIONS
公开(公告)号：EP2719134A2
公开(公告)日：2014-04-16
申请号：EP12801165.7
申请日：2012-06-12
Applicant: Comtech EF Data Corp.
Inventor： CANNON, Richard, Hollingsworth , DUBIN, Louis , MAMARIL, Cris
CPC classification number: H04B15/00 , H04B7/18526
Abstract: A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral inversion of one of the first and second carrier signals using a modulator, transmitting the first and second carrier signals within a bandwidth to a remote receiver using a transmitting device such that a composite carrier signal results, and cancelling at least one of the first carrier signal from the composite carrier signal using a cancellation technique such that the second carrier signal results on one end of the link and the second carrier signal from the composite carrier signal using a cancellation technique such that the first carrier signal results on the opposite end of the link.
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