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1.发明申请
公开(公告)号：WO2014171973A1
公开(公告)日：2014-10-23
申请号：PCT/US2013/070076
申请日：2013-11-14
Applicant: COMTECH EF DATA CORP.
Inventor： PENG, Lianfeng
IPC: H04B1/7156
CPC classification number: H04B1/7073 , H04B1/709
Abstract: A method of detecting FN code synchronization for a DSSS signal comprising receiving a DSSS data signal of data frames comprised of I and Q symbols, at least a portion of each data frame comprising a unique word, demodulating the data signal into I and Q chip samples, filtering the I and Q chip samples and outputting the filtered I and Q chip samples to a chip stream controller which outputs the plurality of chip streams to a correlation matrix that correlates the plurality of chip streams with the chipped unique word and outputs a correlated data stream, A plurality of FFTs is run on the correlated output data stream and a processor searches for a maximum frequency bin power of each FF'T. A PN synchronization detector searches for a maximum frequency bin power among the plurality of FFT runs and determines whether PN synchronization is present.
Abstract translation: 一种检测DSSS信号的FN码同步的方法，包括接收由I和Q符号组成的数据帧的DSSS数据信号，每个数据帧的至少一部分包括唯一字，将数据信号解调为I和Q码片样本 对I和Q芯片样本进行滤波并将滤波后的I和Q码片样本输出到芯片流控制器，芯片流控制器将多个芯片流输出到相关矩阵，该相关矩阵将多个芯片流与切片唯一字相关，并输出相关数据 在相关输出数据流上运行多个FFT，并且处理器搜索每个FF'T的最大频率仓功率。 PN同步检测器在多个FFT运行中搜索最大频率箱功率，并确定是否存在PN同步。
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公开(公告)号：WO2013116557A1
公开(公告)日：2013-08-08
申请号：PCT/US2013/024207
申请日：2013-01-31
Applicant: COMTECH EF DATA CORP.
Inventor： BEELER, Michael , BADDICK, John , DAVIS, Wallace
CPC classification number: H04W16/22 , H04L41/145 , H04W24/02
Abstract: Methods of dynamically modeling performance of a communications network that may include modeling a communications network using a processor by performing a link budget analysis (LBA) for a configuration of the communications network, receiving a plurality of layers of real-time information about the communications network, iteratively performing additional LBAs using one or more of the layers of real-time information from among the plurality of layers of real-time information, multi-dimensionally co-modeling a matrix comprising results of the iteratively performed additional LBAs, and determining one or more final communications network configuration parameters based on the multi- dimensionally co-modeled matrix.
Abstract translation: 对通信网络的性能进行动态建模的方法，其可以包括通过对通信网络的配置执行链路预算分析（LBA）来使用处理器建模通信网络，接收关于通信网络的多个实时信息层 使用所述多个实时信息层中的一个或多个实时信息层迭代地执行附加的LBA，对包括迭代执行的附加LBA的结果的矩阵进行多维共同建模，以及确定一个或多个 基于多维共模型矩阵的更多最终通信网络配置参数。
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3.发明申请A METHOD AND SYSTEM FOR OPTIMIZING DATA THROUGHPUT PERFORMANCE FOR DYNAMIC LINK CONDITIONS USING ADAPTIVE CODING AND MODULATION (ACM) AND DYNAMIC SINGLE CHANNEL PER CARRIER (DSCPC) TECHNIQUES 审中-公开一种使用自适应编码和调制（ACM）和动态单通道每载波（DSCPC）技术优化动态链路条件的数据传输性能的方法和系统
公开(公告)号：WO2013055820A1
公开(公告)日：2013-04-18
申请号：PCT/US2012/059598
申请日：2012-10-10
Applicant: COMTECH EF DATA CORP.
Inventor： DAVIS, Wallace , BEELER, Michael
CPC classification number: H04L5/0046 , H04B7/18528 , H04L1/0003 , H04L1/0009 , H04L2001/0097
Abstract: A method of maintaining a data rate of a telecommunications link that involves, in a particular embodiment, modulating a carrier signal, encoding the carrier signal, and dynamically controlling a bandwidth of the carrier signal by changing a symbol rate of the carrier signal such that a data rate of the carrier signal remains substantially equal to a predetermined data rate when the carrier signal is transmitted to a remote receiver.
Abstract translation: 一种保持电信链路的数据速率的方法，在一个具体实施例中涉及调制载波信号，编码载波信号，以及通过改变载波信号的符号率来动态地控制载波信号的带宽，使得 当载波信号被发送到远程接收机时，载波信号的数据速率保持基本上等于预定的数据速率。
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4.发明申请REFERENCE ENCODING AND DECODING FOR IMPROVING NETWORK HEADER COMPRESSION THROUGHPUT 审中-公开用于改进网络头部压缩的参考编码和解码
公开(公告)号：WO2014127008A1
公开(公告)日：2014-08-21
申请号：PCT/US2014/016039
申请日：2014-02-12
Applicant: COMTECH EF DATA CORP.
Inventor： CHINTADA, Lakshmana , MCCOLLUM, Jason
IPC: H04L12/70
Abstract: A method of reducing packet loss resulting from header compression during data transmission comprising of calculating, by a transmitter, the difference between one or more delta fields of each packet among a plurality of packets and a base frame of data wherein for at least a portion of the packets, the base frame is a packet other than a packet immediately preceding the packet for which the difference is calculated, encoding the difference and compressing the plurality of packets using the transmitter; transmitting, using the transmitter, the plurality of compressed packets and an uncompressed full-header packet through a communications channel to a receiver, receiving the plurality of compressed packets and the uncompressed full-header packet by the receiver, and decompressing, by the receiver, the plurality of compressed packets using the difference between the one or more delta fields of each packet among the plurality of compressed packets and the base frame.
Abstract translation: 一种在数据传输期间减少由报头压缩导致的分组丢失的方法，包括由发射机计算多个分组中的每个分组的一个或多个增量字段与基本数据帧之间的差异，其中对于至少一部分 所述分组，所述基本帧是紧邻所述差分计算的分组之前的分组之外的分组，对所述差进行编码，并使用所述发送机压缩所述多个分组; 使用所述发射机将所述多个压缩分组和未压缩的全分组分组通过通信信道发送到接收机，由所述接收机接收所述多个压缩分组和未压缩的全分组分组，并且由所述接收机解压缩， 所述多个压缩分组使用所述多个压缩分组中的每个分组的一个或多个增量字段与所述基本帧之间的差。
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5.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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Patent Agency Ranking
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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公开(公告)号：WO2012109156A2
公开(公告)日：2012-08-16
申请号：PCT/US2012024012
申请日：2012-02-06
Applicant: COMTECH EF DATA CORP
Inventor： BEELER MICHAEL , MORRIS FREDERICK , HARIG JEFFREY , MAMARIL CRIS
CPC classification number: H04L27/3488 , H04B1/707
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.
Abstract translation: 一种用于在具有减小或最小原始载波信号劣化的原始载波信号下嵌入元载波的通信方法，所述方法包括发送原始载波信号并发送与原始载波信号分离的元载波信号，其中，所述元载波 信号包含关于原始载波信号的信息，可以在受干扰的条件下被提取，并且被发送使得元载波信号占据原始载波信号的带宽的至少一部分。
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8.发明申请
公开(公告)号：WO2014201390A1
公开(公告)日：2014-12-18
申请号：PCT/US2014/042357
申请日：2014-06-13
Applicant: COMTECH EF DATA CORP.
Inventor： SOCHACKI, John
CPC classification number: H04B1/62 , H03F1/3241 , H03F1/3247 , H03F1/3258 , H04B1/0475 , H04B2001/0425
Abstract: A method of generating N th order product predistortion coefficients for use by a linearizer in a non-linear communications system comprising receiving an input signal by a processor, applying, by the processor, a frequency domain-based adaptation algorithm by measuring N th order products of an output signal of the system and iteratively adjusting a predistortion coefficient of a predistorter until the N th order product is substantially equal to a predetermined minimum value.
Abstract translation: 一种在非线性通信系统中产生由线性化器使用的N阶乘积预失真系数的方法，包括由处理器接收输入信号，由处理器应用基于频域的自适应算法，通过测量第 输出信号，迭代地调整预失真器的预失真系数，直到第N阶乘积基本上等于预定的最小值。
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9.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：WO2013106178A1
公开(公告)日：2013-07-18
申请号：PCT/US2012/070693
申请日：2012-12-19
Applicant: COMTECH EF DATA CORP.
Inventor： MAMARIL, Cris, M. , BEELER, Michael , DAVIS, Wallace
CPC classification number: H04W52/36 , H04B7/0678 , H04B7/18513 , H04L1/0003 , H04L1/0041 , H04W52/243 , H04W76/20
Abstract: A method of reducing adjacent satellite interference, the method comprising monitoring, by a processor, a power spectral density (PSD) of a signal transmitted by a remote transmitter, determining, by the processor, that the PSD of the signal transmitted by the remote transmitter is above a predetermined level, and reducing the PSD of the signal transmitted by the remote transmitter by adjusting at least one of a spread spectrum spreading factor, a power level, a modulation factor, and a forward error correction (FEC) rate using a modulator while maintaining a constant spectral allocation and center frequency of the signal.
Abstract translation: 一种减少相邻卫星干扰的方法，所述方法包括由处理器监视由远程发射机发射的信号的功率谱密度（PSD），由所述处理器确定由所述远程发射机发射的信号的PSD 超过预定电平，并且通过使用调制器调整扩展频谱扩展因子，功率电平，调制因子和前向纠错（FEC）速率中的至少一个来减少由远程发射机发送的信号的PSD 同时保持信号的恒定频谱分配和中心频率。
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