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1. 发明授权

US08325613B2 Characterizing broadband communication networks 有权
标题翻译：表征宽带通信网络
公开(公告)号：US08325613B2
公开(公告)日：2012-12-04
申请号：US11557700
申请日：2006-11-08
申请人： Koji Okamoto
发明人： Koji Okamoto
IPC分类号： G01R31/08 , G06F11/00 , G08C15/00 , H04N17/00 , H04N17/02 , H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04
CPC分类号： H04L25/03343 , H04L1/24 , H04L25/0216 , H04L2025/03808
摘要： A remote testing device, including a cable modem circuit, requests an IP address from a remote cable modem termination system (CMTS) and receives back IP connection information including adaptive equalizer coefficients, which represent compensation and/or correction for transmission path noise. Using the equalizer coefficients, the remote testing device can determine a phase response, phase angles for each frequency increment over a channel bandwidth, and group delay.
摘要翻译：包括电缆调制解调器电路的远程测试设备从远程电缆调制解调器终端系统（CMTS）请求IP地址，并且接收包括自适应均衡器系数的反向IP连接信息，其表示用于传输路径噪声的补偿和/或校正。使用均衡器系数，远程测试设备可以确定相位响应，信道带宽上的每个频率增量的相位角以及组延迟。

2. 发明授权

US08274401B2 Secure data transfer in a communication system including portable meters 有权
标题翻译：在包括便携式仪表在内的通信系统中进行安全的数据传输
公开(公告)号：US08274401B2
公开(公告)日：2012-09-25
申请号：US11961429
申请日：2007-12-20
申请人： Gerald K. Rudolf , Muhammad Sajjad Abdullah , David Brian Alder , Pulin Rajesh Shah , Steven William Thomas , Stanley Edson Brown
发明人： Gerald K. Rudolf , Muhammad Sajjad Abdullah , David Brian Alder , Pulin Rajesh Shah , Steven William Thomas , Stanley Edson Brown
IPC分类号： G08C15/06
CPC分类号： G01D4/004 , H04L9/3263 , Y02B90/242 , Y04S20/322
摘要： The invention relates to a method of performing measurements with a portable meter and reporting measurement data from the portable meter to a central office over a secure channel. The method includes synchronizing the portable meter and the central office though a trusted interface prior to taking measurements at a customer location.
摘要翻译：本发明涉及一种使用便携式仪表进行测量并通过安全通道将测量数据从便携式仪表报告给中心局的方法。该方法包括在客户位置进行测量之前通过信任接口同步便携式仪表和中心局。

3. 发明申请

US20120206611A1 SYSTEMS AND METHODS FOR VISUALIZING ERRORS IN VIDEO SIGNALS 有权
标题翻译：用于在视频信号中显示错误的系统和方法
公开(公告)号：US20120206611A1
公开(公告)日：2012-08-16
申请号：US13456002
申请日：2012-04-25
申请人： David John BOYES , John Garfield WILLIAMS
发明人： David John BOYES , John Garfield WILLIAMS
IPC分类号： H04N17/00
CPC分类号： H04N17/004 , H04L1/0045 , H04L1/20
摘要： Systems and methods for analyzing the performance of a digital network include capturing a stream of digital data, e.g., interne protocol (IP) packets, that represent streaming video, identifying which of the IP packets include bit errors, determining to which of a plurality of pixels the IP packets including bit errors belong and identifying such pixels as corrupted pixels, and illuminating only the corrupted pixels on a display of a tool. Corrupted pixels in different time blocks can be displayed with different colors to gain a better appreciation of the bit error rate over time.
摘要翻译：用于分析数字网络的性能的系统和方法包括捕获表示流视频的数字数据流，例如国际协议（IP）分组，识别哪些IP分组包括比特错误，确定多个包括位错误的IP分组的像素属于并识别诸如损坏的像素的像素，并且仅照亮工具的显示器上的损坏的像素。可以用不同的颜色显示不同时间块中的损坏的像素，以便更好地了解随时间的误码率。

4. 发明授权

US07949039B2 Home network testing 有权
标题翻译：家庭网络测试
公开(公告)号：US07949039B2
公开(公告)日：2011-05-24
申请号：US11764389
申请日：2007-06-18
申请人： Walter Miller , Michael D. Gotwals , Robert J. Flask
发明人： Walter Miller , Michael D. Gotwals , Robert J. Flask
IPC分类号： H04B3/46 , H04B17/00 , H04Q1/20
CPC分类号： H04L12/2838 , H04L12/2801
摘要： A home network testing device includes an input port with any one or more of a variety of different connectors for receiving different types of communication cables, e.g. coaxial cable, telephone cable, and electrical cable; and a testing apparatus section with a variety of different testing apparatuses for testing for the presence of different forms of home networks, e.g. MoCA, HomePlug, and HPNA. The present invention uses discrete components to analyze the physical layer in the time domain, looking for a specifically timed RF power pulse that is characteristic of and different in each of the network protocols.
摘要翻译：家庭网络测试设备包括具有用于接收不同类型的通信电缆的各种不同连接器中的任何一个或多个的输入端口，例如，同轴电缆，电话线和电缆; 以及具有各种不同测试装置的测试装置部分，用于测试不同形式的家庭网络的存在，例如， MoCA，HomePlug和HPNA。本发明使用分立组件来分析时域中的物理层，寻找在每个网络协议中特征并且在每个网络协议中不同的具体定时的射频功率脉冲。

5. 发明授权

US07792183B2 Digital quality index for QAM digital signals 有权
标题翻译： QAM数字信号的数字质量指标
公开(公告)号：US07792183B2
公开(公告)日：2010-09-07
申请号：US11856921
申请日：2007-09-18
申请人： Gregory W. Massey , Reena Ramname , Kevin J. Oliver
发明人： Gregory W. Massey , Reena Ramname , Kevin J. Oliver
IPC分类号： H04B3/46
CPC分类号： H04B17/309 , H04B17/21
摘要： The present invention relates to a system for calculating a digital quality index (DQI), which provides a rating on a predetermined scale, indicative of the impairments in a received quadrature amplitude modulated (QAM) signal in a CATV cable system. The DQI system utilizes bit error rates prior to and after forward error correction to calculate the DQI value. To increase the calculation rate, the bit error rates can be estimated using voltage errors, signal to noise ratios and/or average corner error metrics.
摘要翻译：本发明涉及一种用于计算数字质量指数（DQI）的系统，该数字质量指数（DQI）提供指示CATV电缆系统中接收的正交幅度调制（QAM）信号中的损伤的预定比例的额定值。 DQI系统在前向纠错前后利用误码率来计算DQI值。为了增加计算速率，可以使用电压误差，信噪比和/或平均角误差度量来估计误码率。

6. 发明授权

US07589535B2 Network device detection using frequency domain reflectometer 有权
标题翻译：网络设备检测采用频域反射计
公开(公告)号：US07589535B2
公开(公告)日：2009-09-15
申请号：US11762199
申请日：2007-06-13
申请人： Michael D. Gotwals , Robert J. Flask , Walter Miller
发明人： Michael D. Gotwals , Robert J. Flask , Walter Miller
IPC分类号： G01R31/11 , G01R31/02
CPC分类号： G01R31/11
摘要： A system for identifying elements in a cable network utilizing frequency domain reflectometry includes initial filtering stages to remove noise, second and third harmonics and side lobes, and subsequent identification stages to identify and display various elements, e.g. splitters, barrels and opens, in the cable network and their relative positions.
摘要翻译：用于使用频域反射测量来识别有线网络中的元件的系统包括初始滤波阶段以去除噪声，第二和第三谐波和旁瓣，以及随后的识别阶段，以识别和显示各种元件，例如，分离器，桶和打开，在有线网络及其相对位置。

7. 发明申请

US20090135732A1 Characterizing Home Wiring Via AD HOC Networking 有权
标题翻译：通过AD HOC网络表征家庭接线
公开(公告)号：US20090135732A1
公开(公告)日：2009-05-28
申请号：US12273061
申请日：2008-11-18
申请人： Ben Maxson
发明人： Ben Maxson
IPC分类号： H04J1/16
CPC分类号： H04L43/50 , H04L2012/2849
摘要： The invention is a method of measuring the RF losses among home wiring endpoints using battery-powered “remotes” placed at each accessible endpoint in the home. The remotes use a low power, ad hoc networking technology, e.g. Zigbee, Z-wave, to connect to one another over the home wiring, rather than over the air via antennas as in typical applications of these technologies.
摘要翻译：本发明是使用放置在家庭中的每个可接入端点处的电池供电的“遥控器”来测量家庭布线端点之间的RF损耗的方法。遥控器使用低功率，自组织网络技术，例如 Zigbee，Z波，通过家庭接线彼此连接，而不是像这些技术的典型应用中的天线通过天线。

8. 发明申请

US20090046590A1 Voice Over Internet Protocol (VOIP) Testing 有权
标题翻译：语音互联网协议（VOIP）测试
公开(公告)号：US20090046590A1
公开(公告)日：2009-02-19
申请号：US12189369
申请日：2008-08-11
申请人： David John Boyes , Jason Lee Davis , Michael Thad Ward
发明人： David John Boyes , Jason Lee Davis , Michael Thad Ward
IPC分类号： G06F11/00 , H04L12/66
CPC分类号： H04L12/66 , H04L41/0846 , H04L41/0853 , H04L41/22 , H04L43/028 , H04L43/0829 , H04L43/0852 , H04L43/0858 , H04L43/087 , H04L43/50
摘要： A method and apparatus for testing a VoIP telephone line are provided, the method including determining which of a plurality of VoIP call control protocols and/or CODECs is compatible with the telephone line, and conducting a series of tests on the telephone line in accordance therewith. The method and apparatus also includes steps and the means to connect to a network and capturing a stream of data therefrom to determine configuration settings of a VoIP telephone connected thereto to facilitate the previous testing.
摘要翻译：提供了一种用于测试VoIP电话线的方法和装置，所述方法包括确定多个VoIP呼叫控制协议和/或CODEC中的哪一个与电话线路兼容，以及根据该电话线进行一系列测试。该方法和装置还包括步骤和连接到网络并从其中捕获数据流的装置，以确定连接到其上的VoIP电话的配置设置以便于先前的测试。

9. 发明申请

US20090034596A1 Ethernet Traffic Emulation Using Ramped Traffic Generation Techniques 审中-公开
标题翻译：使用迂回流量生成技术的以太网流量仿真
公开(公告)号：US20090034596A1
公开(公告)日：2009-02-05
申请号：US12182933
申请日：2008-07-30
申请人： Wei Chen , Dave Fenstermacher , Hans-Joerg Wolf , Olaf Herr
发明人： Wei Chen , Dave Fenstermacher , Hans-Joerg Wolf , Olaf Herr
IPC分类号： H04B17/00
CPC分类号： H04L47/10 , H04L43/0829 , H04L43/0852 , H04L43/087 , H04L43/0882 , H04L43/16 , H04L43/50
摘要： The invention relates to a testing system for generating a plurality of independently controllable streams of Ethernet frames, e.g. voice, data and video, in which the bandwidth utilization thereof can be held constant or ramped up to test the effects thereof on the other streams.
摘要翻译：本发明涉及用于产生多个可独立控制的以太网帧流的测试系统，例如，语音，数据和视频，其中可以将其带宽利用率保持不变或升高以测试其对其他流的影响。

10. 发明申请

US20080068607A1 Measuring Polarization Mode Dispersion 有权
标题翻译：测量极化模式色散
公开(公告)号：US20080068607A1
公开(公告)日：2008-03-20
申请号：US11695687
申请日：2007-04-03
申请人： Vincent Lecoeuche
发明人： Vincent Lecoeuche
IPC分类号： G01J4/00
CPC分类号： G01M11/336 , G01M11/331
摘要： A device for measuring polarization mode dispersion (PMD) in a device under test (DUT) includes a polarized light source for launching a test beam through the DUT, and a PMD analyzer, which uses one of a plurality of known techniques, e.g. fixed analyzer-Fourier transform (FA-FT) or interferometric, to calculate the PMD from the DUT. A passive depolarizer, made up of a plurality of birefringent elements is disposed between the light source and the PMD analyzer to generate a plurality of carrier frequencies that correspond to the delays imposed by the birefringent elements. The PMD content of the DUT is present around each of the carriers, and the plurality of PMD measurements can be averaged to obtain a more accurate and repeatable measure of the PMD.
摘要翻译：用于测量被测器件（DUT）中的偏振模色散（PMD）的器件包括用于通过DUT发射测试光束的偏振光源，以及使用多种已知技术之一的PMD分析仪。固定分析仪 - 傅里叶变换（FA-FT）或干涉测量，以从DUT计算PMD。由多个双折射元件构成的无源消偏振器设置在光源和PMD分析器之间，以产生与由双折射元件施加的延迟相对应的多个载波频率。 DUT的PMD内容存在于每个载波周围，并且多个PMD测量可以被平均以获得PMD的更精确和可重复的测量。

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