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41. 发明申请

US20090099821A1 MODEL-DIVERSITY TECHNIQUE FOR IMPROVED PROACTIVE FAULT MONITORING 有权
标题翻译：用于改进的主动故障监测的模型多样性技术
公开(公告)号：US20090099821A1
公开(公告)日：2009-04-16
申请号：US11871365
申请日：2007-10-12
申请人： Ramakrishna C. Dhanekula , Keith A. Whisnant , Kenny C. Gross
发明人： Ramakrishna C. Dhanekula , Keith A. Whisnant , Kenny C. Gross
IPC分类号： G06G7/48
CPC分类号： G06F11/008
摘要： A computer system to predict a value of a signal from a sensor schedule loads across a set of processor cores is described. During operation, the computer system generates N models to predict the value of the signal based on a set of quantized telemetry signals, where a given model produces a value of the signal using a subset of the set of quantized telemetry signals, and where the subset is selected from the set of quantized telemetry signals based on an objective criterion. Next, the computer system predicts the value of the signal by aggregating the values produced by the N models.
摘要翻译：描述了一种用于预测来自传感器计划的信号的值在一组处理器核心之间的计算机系统。在操作期间，计算机系统产生N个模型以基于一组量化遥测信号预测信号的值，其中给定模型使用量化的遥测信号集合的子集产生信号的值，并且其中子集基于客观标准从该组量化遥测信号中选出。接下来，计算机系统通过聚合由N个模型产生的值来预测信号的值。

42. 发明申请

US20080001777A1 Camouflaging business-activity information in a telemetry signal through randomization 有权
标题翻译：通过随机化在遥测信号中伪装业务活动信息
公开(公告)号：US20080001777A1
公开(公告)日：2008-01-03
申请号：US11471204
申请日：2006-06-20
申请人： Kenny C. Gross , Keith A. Whisnant , Ramakrishna C. Dhanekula
发明人： Kenny C. Gross , Keith A. Whisnant , Ramakrishna C. Dhanekula
IPC分类号： G08C19/16
CPC分类号： H04L63/0428 , H04L67/125
摘要： One embodiment of the present invention provides a system that camouflages business-activity information in telemetry signals from a computer system. During operation, the system monitors telemetry signals from the computer system to obtain a time series containing a telemetry metric which provides business-activity information. Next, the system computes a serial correlation between data values in the time series. The system then determines if the computed serial correlation between the data values in the time series is above a predetermined threshold level. If so, the system performs frequency domain analysis on the time series. The system then generates artificial activity on the computer system which causes the frequency spectra of the time series to reduce the serial correlation between the data values in the time series.
摘要翻译：本发明的一个实施例提供一种从计算机系统伪装遥测信号中的业务活动信息的系统。在操作期间，系统监视来自计算机系统的遥测信号，以获得包含提供业务活动信息的遥测度量的时间序列。接下来，系统计算时间序列中的数据值之间的串行相关性。然后，系统确定所计算的时间序列中的数据值之间的串行相关性是否高于预定的阈值水平。如果是这样，系统会对时间序列进行频域分析。然后，该系统在计算机系统上产生人为活动，其导致时间序列的频谱以减少时间序列中的数据值之间的串行相关性。

43. 发明授权

US07248980B1 Method and apparatus for removing quantization effects in a quantized signal 有权
标题翻译：用于去除量化信号中的量化效应的方法和装置
公开(公告)号：US07248980B1
公开(公告)日：2007-07-24
申请号：US11342057
申请日：2006-01-27
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Eugenio J. Schuster , Gregory A. Cumberford
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Eugenio J. Schuster , Gregory A. Cumberford
IPC分类号： H03H17/02
CPC分类号： H03M1/20
摘要： One embodiment of the present invention provides a system that reconstructs a high-resolution signal from a set of low-resolution quantized samples. During operation, the system receives a time series containing low-resolution quantized signal values which are sampled from the high-resolution signal. Next, the system performs a spectral analysis on the time series to obtain a frequency series for the low-resolution quantized signal values. The system next selects a subset of frequency terms from the frequency series which have the largest amplitudes. The system then reconstructs the high-resolution signal by performing an inverse spectral analysis on the subset of the frequency terms.
摘要翻译：本发明的一个实施例提供一种从一组低分辨率量化样本重构高分辨率信号的系统。在操作期间，系统接收包含从高分辨率信号中采样的低分辨率量化信号值的时间序列。接下来，系统对时间序列执行频谱分析，以获得低分辨率量化信号值的频率序列。该系统接下来从具有最大幅度的频率序列中选择频率项的子集。然后，该系统通过对频率项的子集执行反频谱分析来重构高分辨率信号。

44. 发明授权

US08543346B2 Near-isotropic antenna for monitoring electromagnetic signals 有权
标题翻译：用于监测电磁信号的近均方天线
公开(公告)号：US08543346B2
公开(公告)日：2013-09-24
申请号：US12474486
申请日：2009-05-29
申请人： Kenny C. Gross , Robert P. Masleid , Ramakrishna C. Dhanekula , David K. McElfresh
发明人： Kenny C. Gross , Robert P. Masleid , Ramakrishna C. Dhanekula , David K. McElfresh
IPC分类号： G01R29/08
CPC分类号： H01Q21/205
摘要： One embodiment provides a system that analyzes a target electromagnetic signal radiating from a monitored system. During operation, the system monitors the target electromagnetic signal using a near-isotropic antenna that includes a set of receiving surfaces arranged in a regular polyhedron. Next, the system obtains a set of received target electromagnetic signals from the receiving surfaces. Finally, the system assesses the integrity of the monitored system by separately analyzing each of the received target electromagnetic signals.
摘要翻译：一个实施例提供了一种系统，其分析从受监视系统辐射的目标电磁信号。在操作期间，系统使用包括以普通多面体布置的一组接收表面的近似各向同性天线来监视目标电磁信号。接下来，系统从接收表面获得一组接收到的目标电磁信号。最后，系统通过分别分析每个接收到的目标电磁信号来评估所监视系统的完整性。

45. 发明授权

US08341759B2 Detecting counterfeit electronic components using EMI telemetric fingerprints 有权
标题翻译：使用EMI遥测指纹检测伪造的电子元件
公开(公告)号：US08341759B2
公开(公告)日：2012-12-25
申请号：US13252877
申请日：2011-10-04
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
IPC分类号： G06F21/00
CPC分类号： G06K9/6271 , G01R31/2813 , Y02T10/82
摘要： One embodiment of the present invention provides a system that non-intrusively detects counterfeit components in a target computer system. During operation, the system collects target electromagnetic interference (EMI) signals generated by the target computer system using one or more antennas positioned in close proximity to the target computer system. The system then generates a target EMI fingerprint for the target computer system from the target EMI signals. Next, the system compares the target EMI fingerprint against a reference EMI fingerprint to determine whether the target computer system contains a counterfeit component.
摘要翻译：本发明的一个实施例提供了一种在目标计算机系统中非侵入式地检测假冒组件的系统。在操作期间，系统使用位于目标计算机系统附近的一个或多个天线收集由目标计算机系统产生的目标电磁干扰（EMI）信号。然后，该系统从目标EMI信号产生目标计算机系统的目标EMI指纹。接下来，系统将目标EMI指纹与参考EMI指纹进行比较，以确定目标计算机系统是否包含假冒组件。

46. 发明授权

US08140282B2 Determining a total length for conductive whiskers in computer systems 有权
标题翻译：确定计算机系统中导电晶须的总长度
公开(公告)号：US08140282B2
公开(公告)日：2012-03-20
申请号：US12126612
申请日：2008-05-23
申请人： David K. McElfresh , Kenny C. Gross , Ramakrishna C. Dhanekula
发明人： David K. McElfresh , Kenny C. Gross , Ramakrishna C. Dhanekula
IPC分类号： G01R13/00
CPC分类号： G01R31/2812 , G01R31/002
摘要： One embodiment of the present invention provides a system that determines a total whisker length for conductive whiskers on a circuit in a computer system. During operation, a target electromagnetic signal radiating from the computer system is monitored. Then, the target electromagnetic signal is analyzed to determine the total whisker length for conductive whiskers on the circuit in the computer system.
摘要翻译：本发明的一个实施方案提供了一种系统，其确定计算机系统中的电路上的导电晶须的总晶须长度。在操作期间，监视从计算机系统辐射的目标电磁信号。然后，分析目标电磁信号以确定计算机系统中电路上导电晶须的总晶须长度。

47. 发明授权

US08069490B2 Detecting counterfeit electronic components using EMI telemetric fingerprints 有权
标题翻译：使用EMI遥测指纹检测伪造的电子元件
公开(公告)号：US08069490B2
公开(公告)日：2011-11-29
申请号：US11974788
申请日：2007-10-16
申请人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
发明人： Kenny C. Gross , Ramakrishna C. Dhanekula , Andrew J. Lewis
IPC分类号： G08B29/00
CPC分类号： G06K9/6271 , G01R31/2813 , Y02T10/82
摘要： One embodiment of the present invention provides a system that non-intrusively detects counterfeit components in a target computer system. During operation, the system collects target electromagnetic interference (EMI) signals generated by the target computer system using one or more antennas positioned in close proximity to the target computer system. The system then generates a target EMI fingerprint for the target computer system from the target EMI signals. Next, the system compares the target EMI fingerprint against a reference EMI fingerprint to determine whether the target computer system contains a counterfeit component.
摘要翻译：本发明的一个实施例提供了一种在目标计算机系统中非侵入式地检测假冒组件的系统。在操作期间，系统使用位于目标计算机系统附近的一个或多个天线收集由目标计算机系统产生的目标电磁干扰（EMI）信号。然后，该系统从目标EMI信号产生目标计算机系统的目标EMI指纹。接下来，系统将目标EMI指纹与参考EMI指纹进行比较，以确定目标计算机系统是否包含假冒组件。

48. 发明申请

US20110258157A1 INFERENCE OF ALTITUDE USING PAIRWISE COMPARISON OF TELEMETRY SIGNALS 有权
标题翻译：使用远程信号的对比比较的海拔高度的影响
公开(公告)号：US20110258157A1
公开(公告)日：2011-10-20
申请号：US12760144
申请日：2010-04-14
申请人： Kalyanaraman Vaidyanathan , Kenny C. Gross , Ramakrishna C. Dhanekula
发明人： Kalyanaraman Vaidyanathan , Kenny C. Gross , Ramakrishna C. Dhanekula
IPC分类号： G06N5/04
CPC分类号： G06F11/3058 , G01C5/00 , G06F11/3089
摘要： Some embodiments provide a system that analyzes telemetry data from a computer system. During operation, the system obtains the telemetry data as a set of telemetric signals using a set of sensors in the computer system, wherein the set of sensors includes temperature sensors at different locations in a cooling airflow through the computer system. Next, the system calculates a set of pairwise temperature differences from the telemetric signals. The system then infers an altitude of the computer system based on the pairwise temperature differences. Finally, the system uses the inferred altitude to manage the operation of the computer system.
摘要翻译：一些实施例提供一种从计算机系统分析遥测数据的系统。在操作期间，系统使用计算机系统中的一组传感器将遥测数据作为一组遥测信号获得，其中该组传感器包括通过计算机系统的冷却气流中不同位置处的温度传感器。接下来，系统从遥测信号计算一组成对的温差。然后，系统基于成对的温差推断计算机系统的高度。最后，系统使用推测的高度来管理计算机系统的运行。

49. 发明授权

US07869977B2 Using multiple antennas to characterize a computer system based on electromagnetic signals 有权
标题翻译：使用多个天线来表征基于电磁信号的计算机系统
公开(公告)号：US07869977B2
公开(公告)日：2011-01-11
申请号：US12188998
申请日：2008-08-08
申请人： Andrew J Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
发明人： Andrew J Lewis , Ramakrishna C. Dhanekula , Kenny C. Gross
IPC分类号： G06F19/00
CPC分类号： G01R31/001
摘要： Some embodiments of the present invention provide a system that characterizes a computer system parameter by analyzing a target electromagnetic signal radiating from the computer system. First, the target electromagnetic signal is monitored using a first antenna and a second antenna, wherein an axis of the second antenna is oriented non-parallel to an axis of the first antenna. Then, the target electromagnetic signal received from the first antenna and the target electromagnetic signal received from the second antenna are separately analyzed to characterize the computer system parameter.
摘要翻译：本发明的一些实施例提供了一种通过分析从计算机系统辐射的目标电磁信号来表征计算机系统参数的系统。首先，使用第一天线和第二天线监视目标电磁信号，其中第二天线的轴线定向成不平行于第一天线的轴线。然后，分别分析从第一天线接收的目标电磁信号和从第二天线接收的目标电磁信号，以表征计算机系统参数。

50. 发明申请

US20100332199A1 NOISE REDUCTION TECHNIQUE FOR MONITORING ELECTROMAGNETIC SIGNALS 有权
标题翻译：用于监测电磁信号的噪声减少技术
公开(公告)号：US20100332199A1
公开(公告)日：2010-12-30
申请号：US12494709
申请日：2009-06-30
申请人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
发明人： Ramakrishna C. Dhanekula , Kenny C. Gross , Andrew J. Lewis
IPC分类号： G06F17/10 , G01R29/08 , G06F19/00 , G06F17/18
CPC分类号： G06F11/0751 , G01R29/0892 , G06F11/3058 , G06F11/3072 , G06F11/3093
摘要： One embodiment provides a system that analyzes a target electromagnetic signal radiating from a monitored system. During operation, the system monitors the target electromagnetic signal using a set of antennas to obtain a set of received target electromagnetic signals from the monitored system. Next, the system calculates a weighted mean of the received target electromagnetic signals using a first pattern-recognition model. The system then subtracts the received target electromagnetic signals from the weighted mean of the received target electromagnetic signals to obtain a set of noise-reduced signals for the monitored system. Finally, the system assesses the integrity of the monitored system by analyzing the noise-reduced signals using a second pattern-recognition model.
摘要翻译：一个实施例提供了一种系统，其分析从受监视系统辐射的目标电磁信号。在操作期间，系统使用一组天线监视目标电磁信号，以从被监视的系统获得一组接收到的目标电磁信号。接下来，系统使用第一模式识别模型计算接收到的目标电磁信号的加权平均值。然后，系统从接收的目标电磁信号的加权平均值中减去接收到的目标电磁信号，以获得被监视系统的一组降噪信号。最后，系统通过使用第二模式识别模型分析降噪信号来评估监控系统的完整性。

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