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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 21. Отображено 20.
25-04-2017 дата публикации

Cable network spectral measurement during upstream packet transmission

Номер: US0009634722B2
Автор: Adam D. Gray, Daniel K. Chappell, Ching-Chang Liao, GRAY ADAM D, CHAPPELL DANIEL K, LIAO CHING-CHANG, Gray Adam D., Chappell Daniel K., Liao Ching-Chang
Принадлежит: VIAVI SOLUTIONS INC., JDS UNIPHASE CORP, VIAVI SOLUTIONS INC, JDS Uniphase Corporation

Apparatus and method are provided for obtaining an upstream signal spectrum as it was during a time of transmission of a received upstream data packet. The apparatus includes an analog-to-digital converter (ADC), a packet detector coupled to ADC, and a spectrum calculation unit coupled to the ADC and the packet detector. In operation, the spectrum calculation unit computes a spectrum of the digitized upstream signal as it was between the start and end times of the first packet. As a result, the obtained spectrum is representative of a condition of the transmission path during transmission of the upstream data packet.

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Номер записи: 1
13-02-2018 дата публикации

Cable network spectral measurement during upstream packet transmission

Номер: US0009893764B2
Автор: Adam D. Gray, Daniel K. Chappell, Ching-Chang Liao, GRAY ADAM D, CHAPPELL DANIEL K, LIAO CHING CHANG, Gray Adam D., Chappell Daniel K., Liao Ching-Chang
Принадлежит: VIAVI SOLUTIONS INC., VIAVI SOLUTIONS INC

Apparatus and method are provided for obtaining an upstream signal spectrum as it was during a time of transmission of a received upstream data packet. The apparatus includes an analog-to-digital converter (ADC), a packet detector coupled to ADC, and a spectrum calculation unit coupled to the ADC and the packet detector. In operation, the spectrum calculation unit computes a spectrum of the digitized upstream signal as it was between the start and end times of the first packet. As a result, the obtained spectrum is representative of a condition of the transmission path during transmission of the upstream data packet.

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Номер записи: 2
01-08-2017 дата публикации

Resource allocation to reduce correlated failures

Номер: US0009722866B1
Автор: Marc J. Brooker, Cornelle Christiaan Pretorius Janse Van Rensburg, Abhinav Agrawal, Adam D. Gray, Marvin M. Theimer, Peter N. DeSantis, BROOKER MARC J, VAN RENSBURG CORNELLE CHRISTIAAN PRETORIUS JANSE, AGRAWAL ABHINAV, GRAY ADAM D, THEIMER MARVIN M, DESANTIS PETER N, Brooker Marc J., Van Rensburg Cornelle Christiaan Pretorius Janse, Agrawal Abhinav, Gray Adam D., Theimer Marvin M., DeSantis Peter N.
Принадлежит: Amazon Technologies, Inc., BROOKER MARC J, VAN RENSBURG CORNELLE CHRISTIAAN PRETORIUS JANSE, AGRAWAL ABHINAV, GRAY ADAM D, THEIMER MARVIN M, DESANTIS PETER N, AMAZON TECH INC, Brooker Marc J., Van Rensburg Cornelle Christiaan Pretorius Janse, Agrawal Abhinav, Gray Adam D., Theimer Marvin M., DeSantis Peter N.

Implementation resources are operated in a manner furthering a particular purpose while excluding use of the implementation resources for other purposes. At least some of the implementation resources have capacity that is usable to implement multiple other resources. The capacity of the implementation resources is allocated in a manner that satisfies one or more conditions on the capacity of the implementation resources that is used. Generally, the capacity is allocated in a manner that reduces the likelihood that resources initiated close in time will fail together should underlying implementation resources fail. The implementation resources may be hardware devices that implement virtual computer systems.

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Номер записи: 3
26-09-2017 дата публикации

Dual-port testing of a cable network

Номер: US0009774847B2
Автор: Daniel K. Chappell, Richard Earl Jones, Jr., David W. Jones, Adam D. Gray, CHAPPELL DANIEL K, JONES JR RICHARD EARL, JONES DAVID W, GRAY ADAM D, Chappell Daniel K., Jones, Jr. Richard Earl, Jones David W., Gray Adam D.
Принадлежит: VIAVI SOLUTIONS INC., VIAVI SOLUTIONS INC, Viavi Solutions Inc.

A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually and by using pre-defined test metrics comprising a weighted sum of demodulation and decoding parameters such as modulation extinction ratio and a codeword error.

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Номер записи: 4
15-08-2013 дата публикации

PROVIDING CONFIGURABLE WORKFLOW CAPABILITIES

Номер: US20130212234A1
Автор: Bartlett James P., Cole Richard J., Gray Adam D., Sirota Peter
Принадлежит:

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow. 1. A computer-implemented method comprising:providing, by one or more configured computing systems of a configurable workflow service, one or more interfaces to enable multiple clients of the configurable workflow service to configure workflows to be implemented;receiving, by the one or more configured computing systems, configuration information from a first client of the multiple clients for a first defined workflow, the configuration information being received via at least one of the provided interfaces and being sent over one or more networks from a remote location of the first client, the configuration information specifying multiple workflow components of the first defined workflow and interconnections between at least some of the multiple workflow components, at least some of the multiple workflow components being selected by the client from a plurality of predefined workflow components provided by the configurable workflow service for use by the multiple clients;selecting, by the one or more configured computing systems, multiple computing nodes to use for implementing ...

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Номер записи: 5
08-01-2015 дата публикации

CABLE NETWORK SPECTRAL MEASUREMENT DURING UPSTREAM PACKET TRANSMISSION

Номер: US20150009795A1
Автор: CHAPPELL Daniel K., Gray Adam D., Liao Ching-Chang
Принадлежит: JDS Uniphase Corporation

Apparatus and method are provided for obtaining an upstream signal spectrum as it was during a time of transmission of a received upstream data packet. The apparatus includes an analog-to-digital converter (ADC), a packet detector coupled to ADC, and a spectrum calculation unit coupled to the ADC and the packet detector. In operation, the spectrum calculation unit computes a spectrum of the digitized upstream signal as it was between the start and end times of the first packet. As a result, the obtained spectrum is representative of a condition of the transmission path during transmission of the upstream data packet. 1. An apparatus for testing a transmission path of an upstream signal in a cable network , the upstream signal comprising a plurality of frequency channels , the apparatus comprising:an analog-to-digital converter (ADC) configured to digitize the upstream signal into a digitized upstream signal;a packet detector, communicatively coupled to the ADC, configured to determine start and end times of a first packet received by the apparatus in a first channel of the plurality of frequency channels of the digitized upstream signal; anda spectrum calculation unit, communicatively coupled to the ADC and the packet detector, configured to compute a spectrum of a portion of the digitized upstream signal, the portion extending between the start and end times of the first packet determined by the packet detector, whereby the computed spectrum is representative of a condition of the transmission path during transmission of the first packet.2. The apparatus of claim 1 , wherein the packet detector is configured to determine the start and end times by detecting an RF power level in the first channel crossing a pre-defined threshold.3. The apparatus of claim 1 , further comprising a digital downconverter claim 1 , communicatively coupled to the ADC claim 1 , configured to select the first channel claim 1 , wherein the packet detector further comprises a demodulator ...

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Номер записи: 6
15-01-2015 дата публикации

DUAL-PORT TESTING OF A CABLE NETWORK

Номер: US20150020129A1
Автор: CHAPPELL Daniel K., Gray Adam D., Jones, Jones David W., JR. Richard Earl
Принадлежит:

A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually and by using pre-defined test metrics comprising a weighted sum of demodulation and decoding parameters such as modulation extinction ratio and a codeword error. 1. An apparatus for testing a path of a network signal in a cable network , the path comprising first and second spaced apart test points , the network signal comprising a first frequency channel comprising a first data packet , the apparatus comprising:a first RF input port for coupling to the first test point to obtain a first signal from the network signal propagating across the first test point, and a second RF input port for coupling to the second test point to obtain a second signal from the network signal propagating across the second test point; and down-convert the first and second signals to select the first frequency channel in each one of the first and second signals;', 'demodulate the first frequency channel in each down-converted signal to select the first packet in each down-converted signal; and', 'obtain a first demodulation parameter of the first packet at each test point., 'a processor communicatively coupled to the first and second RF input ports, and configured to2. The apparatus of claim 1 , wherein the processor comprises a first analog to digital converter coupled to the first RF input port for digitizing the first signal to obtain a first digitized signal claim 1 , and a second analog to digital converter coupled to the second RF input port for digitizing the second signal to obtain a second digitized signal claim 1 , and a clock coupled to the first and second analog to digital converters claim 1 , for synchronous clocking thereof;wherein the processor is configured for down- ...

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Номер записи: 7
19-01-2017 дата публикации

Dual-port testing of a cable network

Номер: US20170019664A1
Автор: Adam D. Gray, Daniel K. Chappell, David W. Jones, Richard Earl JONES, JR.
Принадлежит: VIAVI SOLUTIONS INC

A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually and by using pre-defined test metrics comprising a weighted sum of demodulation and decoding parameters such as modulation extinction ratio and a codeword error.

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Номер записи: 8
11-02-2016 дата публикации

PROVIDING CONFIGURABLE WORKFLOW CAPABILITIES

Номер: US20160041846A1
Автор: Bartlett James P., Cole Richard J., Gray Adam D., Sirota Peter
Принадлежит:

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow. 13-. (canceled)4. A computer-implemented method comprising:receiving, by one or more configured computing systems of a configurable workflow service, configuration information for a defined workflow of a client of the configurable workflow service, the configuration information specifying multiple workflow components of the defined workflow and interconnections between at least some of the multiple workflow components;provisioning, by the one or more configured computing systems, multiple computing nodes to each implement at least one of the multiple workflow components, at least one of the multiple computing nodes being provided by the configurable workflow service for use by clients of the configurable workflow service; and one or more first activities involving obtaining input data from one or more data sources external to the configurable workflow service;', 'one or more second activities involving producing intermediate results data by performing data manipulation operations that are based at least in part on the obtained input data; and', 'one or more third activities ...

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Номер записи: 9
05-05-2022 дата публикации

SYSTEMS AND METHODS FOR DETECTING LEAKAGE IN A CABLE NETWORK SYSTEM

Номер: US20220137154A1
Автор: CHAPPELL Daniel K., Eggert Loren, Gray Adam D.
Принадлежит: VIAVI SOLUTIONS, INC

Systems and methods for detecting leakage in a cable network system are disclosed. In at least some illustrative embodiments, a system may include a digital tagger operable to generate a digital tag including a chirp signal configured to be placed on a downstream signal path of the cable network system, and a cable network test instrument configured detect the digital tag in wireless signal data received from the cable network system when a point of ingress is presented in the cable network system. The network test instrument may be operable to provide a user-perceptible indication when the digital tag is detected to inform a technician or other user that a flaw in the cable network system is nearby.

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Номер записи: 10
10-08-2017 дата публикации

CABLE NETWORK SPECTRAL MEASUREMENT DURING UPSTREAM PACKET TRANSMISSION

Номер: US20170230079A1
Автор: CHAPPELL Daniel K., Gray Adam D., Liao Ching-Chang
Принадлежит: VIAVI SOLUTIONS INC.

Apparatus and method are provided for obtaining an upstream signal spectrum as it was during a time of transmission of a received upstream data packet. The apparatus includes an analog-to-digital converter (ADC), a packet detector coupled to ADC, and a spectrum calculation unit coupled to the ADC and the packet detector. In operation, the spectrum calculation unit computes a spectrum of the digitized upstream signal as it was between the start and end times of the first packet. As a result, the obtained spectrum is representative of a condition of the transmission path during transmission of the upstream data packet. 120-. (canceled)21. An apparatus for testing a transmission path in a cable network , the apparatus comprising:an analog-to-digital converter (ADC) to digitize an upstream signal of the transmission path into a digitized upstream signal;packet detection logic communicatively coupled to the ADC, the packet detection logic to determine start and end times of a first packet received by the apparatus in a first frequency channel of the digitized upstream signal; andspectrum calculation logic communicatively coupled to the ADC and the packet detection logic, the spectrum calculation logic to perform a plurality fast Fourier transform (FFT) cycles, each FFT cycle to compute a FFT spectrum of a portion of the digitized upstream signal corresponding to the determined start and end times of the first packet.22. The apparatus of claim 21 , wherein the packet detection logic comprises a digital downconverter (DDC) to downconvert and select the first frequency channel from a plurality of frequency channels in the digitized upstream signal.23. The apparatus of claim 22 , wherein to determine the start and end times of the first packet claim 22 , the packet detection logic detects an RF power level in the first frequency channel crossing a pre-defined threshold.24. The apparatus of claim 22 , further comprising demodulator logic communicatively coupled to the digital ...

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Номер записи: 11
22-08-2019 дата публикации

PROVIDING CONFIGURABLE WORKFLOW CAPABILITIES

Номер: US20190258524A1
Автор: Bartlett James P., Cole Richard J., Gray Adam D., Sirota Peter
Принадлежит:

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow. 1. A non-transitory computer-readable medium having stored thereon instructions , which if performed by a processor , cause one or more computing systems to at least:receive information corresponding to a workflow associated with an online service, wherein the information includes an indication of one or more data sources to be used by the workflow;provision one or more computing nodes to be used by the workflow; andperform the workflow at least in part by using the provisioned computing nodes at least to retrieve input data from the one or more data sources and to use the input data to generate output data and to store the output data in one or more storage locations distinct from the one or more data sources.2. The non-transitory computer-readable medium of wherein the one or more data sources are external to the online service and include a network-accessible storage service that stores at least some of the input data to be obtained claim 1 , and wherein retrieving of the input data includes performing claim 1 , by the online service claim 1 , one or more interactions over one ...

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Номер записи: 12
25-12-2014 дата публикации

Providing configurable workflow capabilities

Номер: US20140379879A1
Автор: Adam D. Gray, James P. Bartlett, Peter Sirota, Richard J. Cole
Принадлежит: Amazon Technologies Inc

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow.

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Номер записи: 13
03-10-2019 дата публикации

SYSTEMS AND METHODS FOR DETECTING LEAKAGE IN A CABLE NETWORK SYSTEM

Номер: US20190304625A1
Автор: CHAPPELL Daniel K., Eggert Loren, Gray Adam D.
Принадлежит:

Systems and methods for detecting leakage in a cable network system are disclosed. In at least some illustrative embodiments, a system may include a digital tagger operable to generate a digital tag including a chirp signal configured to be placed on a downstream signal path of the cable network system, and a cable network test instrument configured detect the digital tag in wireless signal data received from the cable network system when a point of ingress is presented in the cable network system. The network test instrument may be operable to provide a user-perceptible indication when the digital tag is detected to inform a technician or other user that a flaw in the cable network system is nearby. 1. A system for detecting leakage in a cable network system , the system comprising:a digital tagger operable to generate a digital tag including a chirp signal configured to be placed on a downstream signal path of the cable network system, anda cable network test instrument configured detect the digital tag in wireless signal data received from the cable network system when a point of ingress is presented in the cable network system,wherein the network test instrument is operable to provide a user-perceptible indication when the digital tag is detected to inform a technician or other user that a flaw in the cable network system is nearby.2. The system of claim 1 , wherein the cable network test instrument includes a signal level meter operable to detect the chirp signal.3. The system of claim 1 , wherein the user-perceptible indication includes a visual indication or audible indication.4. A cable network test instrument comprising:circuitry operable to detect a chirp signal present in wireless signal data received from the cable network system when a point of ingress is presented in the cable network system, andcircuitry operable to provide a user-perceptible indication when the digital tag is detected to inform a technician or other user that a flaw in the cable ...

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Номер записи: 14
16-11-2017 дата публикации

RESOURCE ALLOCATION TO REDUCE CORRELATED FAILURES

Номер: US20170331683A1
Автор: Agrawal Abhinav, Brooker Marc J., DeSantis Peter N., Gray Adam D., Janse Van Rensburg Cornelle Christiaan Pretorius, Theimer Marvin M.
Принадлежит:

Implementation resources are operated in a manner furthering a particular purpose while excluding use of the implementation resources for other purposes. At least some of the implementation resources have capacity that is usable to implement multiple other resources. The capacity of the implementation resources is allocated in a manner that satisfies one or more conditions on the capacity of the implementation resources that is used. Generally, the capacity is allocated in a manner that reduces the likelihood that resources initiated close in time will fail together should underlying implementation resources fail. The implementation resources may be hardware devices that implement virtual computer systems. 1. A computer-implemented method for allocating resources , comprising: receiving a request to implement one or more resources using implementation resources that are dedicated to a particular purpose;', 'determining a set of implementation resources that, when used to fulfill the request, will fulfill one or more conditions on capacity of the set of implementation resources that include a limit on capacity utilization of the set of implementation resources;', 'using the set of implementation resources to implement the one or more resources of the request; and', 'maintaining the set of implementation resources in a manner that excludes the set of implementation resources from purposes different from the particular purpose., 'under the control of one or more computer systems configured with executable instructions,'}2. The computer-implemented method of claim 1 , wherein the one or more resources of the request are computing resources and wherein the implementation resources are hardware devices.3. The computer-implemented method of claim 1 , wherein the particular purpose is exclusive use by a customer of a resource provider.4. The computer-implemented method of claim 1 , wherein the limit on capacity of the set of implementation resources is a limit that ensures ...

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Номер записи: 15
18-06-2019 дата публикации

Providing configurable workflow capabilities

Номер: US10324761B2
Автор: Adam D. Gray, James P. Bartlett, Peter Sirota, Richard J. Cole
Принадлежит: Amazon Technologies Inc

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow.

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Номер записи: 16
24-11-2015 дата публикации

Providing configurable workflow capabilities

Номер: CA2864113C
Автор: Adam D. Gray, James P. Bartlett, Peter Sirota, Richard J. Cole
Принадлежит: Amazon Technologies Inc

Techniques are described for providing clients with access to functionality for creating, configuring and executing defined workflows that manipulate source data in defined manners, such as under the control of a configurable workflow service that is available to multiple remote clients over one or more public networks. A defined workflow for a client may, for example, include multiple interconnected workflow components that are specified by the client and that each are configured to perform one or more types of data manipulation operations on a specified type of input data. The configurable workflow service may further execute the defined workflow at one or more times and in one or more manners, such as in some situations by provisioning multiple computing nodes provided by the configurable workflow service to each implement at least one of the workflow components for the defined workflow.

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Номер записи: 17
11-01-2024 дата публикации

Upstream signal leakage detection in high-split cable network

Номер: US20240015088A1
Автор: Adam D. Gray, Brett EMSLEY, Daniel K. Chappell, Loren R. EGGERT
Принадлежит: VIAVI SOLUTIONS INC

A CMTS may instruct one or more cable modems to transmit an upstream test signal with a particular preamble (and or any other type of signature) in the upstream transmission bandwidth. The preamble may be within a significant band of the upstream transmission bandwidth. A leakage detection device may be brought in the vicinity of the cable network to listen for various signals. The leakage detection device may filter received signals to retain the portions thereof within a desired limited band and further filter the band-limited signals to reduce noise, e.g., removing the payload following the preamble. A correlation filter in the leakage detection device may compare the pattern in the band-limited filtered signal with a stored preamble. If there is a match, the leakage detection device may generate an indication that leakage is detected in the upstream transmission.

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Номер записи: 18
09-07-2024 дата публикации

Upstream signal leakage detection in high-split cable network

Номер: US12034619B2
Автор: Adam D. Gray, Brett EMSLEY, Daniel K. Chappell, Loren R. EGGERT
Принадлежит: VIAVI SOLUTIONS INC

A CMTS may instruct one or more cable modems to transmit an upstream test signal with a particular preamble (and or any other type of signature) in the upstream transmission bandwidth. The preamble may be within a significant band of the upstream transmission bandwidth. A leakage detection device may be brought in the vicinity of the cable network to listen for various signals. The leakage detection device may filter received signals to retain the portions thereof within a desired limited band and further filter the band-limited signals to reduce noise, e.g., removing the payload following the preamble. A correlation filter in the leakage detection device may compare the pattern in the band-limited filtered signal with a stored preamble. If there is a match, the leakage detection device may generate an indication that leakage is detected in the upstream transmission.

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Номер записи: 19
24-05-2016 дата публикации

Dual-port testing of a cable network

Номер: US09350986B2
Автор: Adam D. Gray, Daniel K. Chappell, David W. Jones, Richard Earl JONES, JR.
Принадлежит: VIAVI SOLUTIONS INC

A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually and by using pre-defined test metrics comprising a weighted sum of demodulation and decoding parameters such as modulation extinction ratio and a codeword error.

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Номер записи: 20