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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 14. Отображено 14.
09-04-2009 дата публикации

METHOD, SYSTEM, AND APPARATUS FOR EXTENDED RATE/RANGE COMMUNICATION OVER A COMMUNICATION NETWORK

Номер: US20090092154A1
Автор: Rahul Malik, Vipin Aggarwal, Albert Garrett, Etan Cohen, Cimarron Mittelsteadt
Принадлежит: NXP B.V.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 1
09-08-2016 дата публикации

Method for extended rate/range communication over a communication network

Номер: US0009413632B2
Автор: Rahul Malik, Vipin Aggarwal, Albert Garrett, Etan Cohen, Cimarron Mittelsteadt, MALIK RAHUL, AGGARWAL VIPIN, GARRETT ALBERT, COHEN ETAN, MITTELSTEADT CIMARRON, Malik Rahul, Aggarwal Vipin, Garrett Albert, Cohen Etan, Mittelsteadt Cimarron
Принадлежит: ENTROPIC COMMUNICATIONS, LLC, ENTROPIC COMMUNICATIONS INC, ENTROPIC COMMUNICATIONS LLC, Entropic Communications, Inc.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 2
08-10-2009 дата публикации

METHOD FOR EFFICIENT PACKET FRAMING IN A COMMUNICATION NETWORK

Номер: US20090254794A1
Автор: Rahul Malik, Vipin Aggarwal
Принадлежит: NXP B.V.

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described.

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Номер записи: 3
24-07-2018 дата публикации

Method for efficient packet framing in a communication network

Номер: US0010033484B2
Автор: Rahul Malik, Vipin Aggarwal, MALIK RAHUL, AGGARWAL VIPIN, Malik, Rahul, Aggarwal, Vipin
Принадлежит: Entropic Communications, LLC, ENTROPIC COMMUNICATIONS LLC

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described.

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Номер записи: 4
11-10-2018 дата публикации

METHOD FOR EFFICIENT PACKET FRAMING IN A COMMUNICATION NETWORK

Номер: US20180295003A1
Автор: Rahul Malik, Vipin Aggarwal, MALIK RAHUL, AGGARWAL VIPIN, Malik, Rahul, Aggarwal, Vipin
Принадлежит:

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described. 119-. (canceled)20. A method , the method comprising:encoding a data payload into a plurality of codewords using a hardware processor that is operable to execute a sequence of instructions stored in a memory; and selecting a corresponding multi-tone symbol from a plurality of multi-tone symbols, wherein the selection is according to a size of each of the plurality of codewords; and', 'modulating each of the plurality of codewords according to the corresponding multi-tone symbol., 'for each codeword of the plurality of codewords21. The method of claim 20 , wherein the plurality of codewords is a plurality of Forward Error Correction (FEC) codewords.22. The method of claim 20 , wherein the plurality of multi-tone symbols is a plurality of adaptive constellation multi-tone (ACMT) symbols.23. The method of claim 20 , wherein the method comprises communicating the plurality of multi-tone modulated codewords over a Multimedia Over Coax Alliance (MoCA) network.24. The method of claim 20 , wherein a corresponding multi-tone symbol for a first codeword of the plurality of codewords is different than a corresponding multi-tone symbol for a last codeword of the plurality of codewords.25. ...

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Номер записи: 5
31-12-2015 дата публикации

METHOD FOR EXTENDED RATE/RANGE COMMUNICATION OVER A COMMUNICATION NETWORK

Номер: US20150381469A9
Автор: Rahul Malik, Vipin Aggarwal, Albert Garrett, Etan Cohen, Cimarron Mittelsteadt
Принадлежит: ENTROPIC COMMUNICATIONS, INC.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 6
20-10-2020 дата публикации

Method for efficient packet framing in a communication network

Номер: US0010812223B2
Автор: Rahul Malik, Vipin Aggarwal, MALIK RAHUL, AGGARWAL VIPIN, Malik, Rahul, Aggarwal, Vipin
Принадлежит: Entropic Communication, LLC, ENTROPIC COMMUNICATIONS LLC, ENTROPIC COMMUNICATION LLC, Entropic Communications, LLC

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described.

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Номер записи: 7
08-01-2013 дата публикации

Method for extended rate/range communication over a communication network

Номер: US0008351368B2
Автор: Rahul Malik, Vipin Aggarwal, Albert Garrett, Etan Cohen, Cimarron Mittelsteadt, MALIK RAHUL, AGGARWAL VIPIN, GARRETT ALBERT, COHEN ETAN, MITTELSTEADT CIMARRON
Принадлежит: Entropic Communications, Inc., ENTROPIC COMMUNICATIONS INC, MALIK RAHUL, AGGARWAL VIPIN, GARRETT ALBERT, COHEN ETAN, MITTELSTEADT CIMARRON, ENTROPIC COMMUNICATIONS, INC.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 8
08-09-2016 дата публикации

METHOD FOR EFFICIENT PACKET FRAMING IN A COMMUNICATION NETWORK

Номер: US20160261443A1
Автор: Rahul Malik, Vipin Aggarwal, MALIK RAHUL, AGGARWAL VIPIN, Malik Rahul, Aggarwal Vipin
Принадлежит:

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described. 1. A method for protecting a data payload communicated between nodes over a network , the method comprising:encoding a first portion of the data payload into one or more first Forward Error Correction (FEC) code-words of a first size; andencoding a second portion of the data payload into a second FEC code-word of a second size, the second size being selected from a plurality of different sizes, the selection being based on the size of the second portion of the data payload.2. The method of claim 1 , wherein the method comprises adding an FEC pad to the second portion of the data payload according to the second size and the size of the second portion of the data payload.319-. (canceled)20. The method of claim 1 , wherein the last FEC code-word and each of the one or more first FEC code words comprise parity-bytes.21. The method of claim 1 , wherein the plurality of different sizes comprises the first size and at least one smaller size.22. The method of claim 1 , wherein the method comprises modulating each of the one or more first FEC code words using an adaptive constellation multi-tone (ACMT) symbol of a first type and modulating the last FEC code word using an ACMT symbol of ...

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Номер записи: 9
10-07-2014 дата публикации

METHOD FOR EXTENDED RATE/RANGE COMMUNICATION OVER A COMMUNICATION NETWORK

Номер: US20140192803A1
Автор: Rahul Malik, Vipin Aggarwal, Albert Garrett, Etan Cohen, Cimarron Mittelsteadt, MALIK RAHUL, AGGARWAL VIPIN, GARRETT ALBERT, COHEN ETAN, MITTELSTEADT CIMARRON
Принадлежит: ENTROPIC COMMUNICATIONS, INC.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 10
12-03-2015 дата публикации

RF TRANSMITTER WITH AVERAGE POWER TRACKING AND METHODS FOR USE THEREWITH

Номер: US20150072632A1
Автор: Aggarwal Vipin Kumar, Pourkhaatoun Mohsen, Riondet Philippe, Tarighat Mehrabani Alireza
Принадлежит:

A RF transmitter includes a power amplifier that generates a transmit signal modulated with outbound data for transmission to a remote communication device via an antenna section. A supply voltage to power the power amplifier is adjusted based on an average power tracking signal. A reflected power from the antenna section is measured. The average power tracking signal is adjusted based on the reflected power to compensate for the changes in impedance of the antenna section and to maintain a desired linearity. 1. A radio frequency (RF) transmitter comprising:an power amplifier operable to generate a transmit signal modulated with outbound data for transmission to a remote communication device via an antenna section;a power management unit, coupled to the power amplifier, that generates a supply voltage to power the power amplifier, wherein the supply voltage is set by the power management unit based on an average power tracking signal; anda processing module, coupled to the power management unit, that adjusts the average power tracking signal based on a desired power level and further based on a desired linearity.2. The RF transmitter of further comprising:a directional coupler, coupled in a transmit path between the power amplifier and the antenna section, configurable to generate a reflected power signal that indicates a reflected power from the antenna section in response to the transmit signal;a first envelope detector, coupled to the directional coupler and the processing module, configurable to generate a reflected power voltage that indicates the reflected power;wherein the processing module further adjusts the average power tracking signal based on reflected power indicated by the reflected power voltage.3. The RF transmitter of wherein the processing module adjusts the average power tracking signal based on the reflected power voltage to compensate for changes in impedance of the antenna section and to maintain the desired linearity.4. The RF transmitter of ...

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Номер записи: 11
02-04-2015 дата публикации

Optimal Envelope Tracking Reference Waveform Generation

Номер: US20150091655A1
Автор: Dmitriy Rozenblit, Vipin Kumar Aggarwal
Принадлежит: Broadcom Corp

A method and apparatus is provided to improve upon the efficiency of a power amplifier. Suitable hardware/software in the form of circuitry, logic gates, and/or code functions to construct an envelope tracking waveform of an input communications signal and modulate the input supply voltage based on power amplifier circuitry operational parameters such as slew rates.

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Номер записи: 12
24-11-2015 дата публикации

RF transmitter with average power tracking and methods for use therewith

Номер: US9197255B2
Автор: Alireza TARIGHAT MEHRABANI, Mohsen Pourkhaatoun, Philippe Riondet, Vipin Kumar Aggarwal
Принадлежит: Broadcom Corp

A RF transmitter includes a power amplifier that generates a transmit signal modulated with outbound data for transmission to a remote communication device via an antenna section. A supply voltage to power the power amplifier is adjusted based on an average power tracking signal. A reflected power from the antenna section is measured. The average power tracking signal is adjusted based on the reflected power to compensate for the changes in impedance of the antenna section and to maintain a desired linearity.

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Номер записи: 13
08-10-2009 дата публикации

Method, system and apparatus for extended rate/range communication of multimedia data over coaxial cable network

Номер: WO2009044382A9
Автор: Albert Garrett, Cimarron Mittelsteadt, Etan Cohen, Rahul Malik, Vipin Aggarwal
Принадлежит: NXP B.V.

A technique for communicating multimedia data between nodes over coaxial cable, wherein the nodes are connected via a coaxial cable network, is disclosed. In an embodiment, the technique involves establishing a primary channel for communicating between first and second nodes of the coaxial cable network, establishing a secondary channel for communicating between the first and second nodes of the coaxial cable network, wherein the primary and secondary channels are in different frequency bands and wherein the primary channel is used for communicating media access control frames, and communicating a time series of data frames between the first and second nodes using both the primary channel and the secondary channel.

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Номер записи: 14