BR102013013386B1 - Método e aparelho para sincronização de amostras de dados e de erro em um sistema de comunicações - Google Patents

Método e aparelho para sincronização de amostras de dados e de erro em um sistema de comunicações Download PDF

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Publication number
BR102013013386B1
BR102013013386B1 BR102013013386-8A BR102013013386A BR102013013386B1 BR 102013013386 B1 BR102013013386 B1 BR 102013013386B1 BR 102013013386 A BR102013013386 A BR 102013013386A BR 102013013386 B1 BR102013013386 B1 BR 102013013386B1
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BR
Brazil
Prior art keywords
input data
data
sync
error
control signals
Prior art date
Application number
BR102013013386-8A
Other languages
English (en)
Portuguese (pt)
Other versions
BR102013013386A2 (pt
BR102013013386A8 (pt
Inventor
Krishnaraj Varma
Tony Huang
Sri Bhat
Original Assignee
Hughes Network Systems, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Network Systems, Llc filed Critical Hughes Network Systems, Llc
Publication of BR102013013386A2 publication Critical patent/BR102013013386A2/pt
Publication of BR102013013386A8 publication Critical patent/BR102013013386A8/pt
Publication of BR102013013386B1 publication Critical patent/BR102013013386B1/pt

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03477—Tapped delay lines not time-recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03636—Algorithms using least mean square [LMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BR102013013386-8A 2012-05-29 2013-05-29 Método e aparelho para sincronização de amostras de dados e de erro em um sistema de comunicações BR102013013386B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/482,686 US8929501B2 (en) 2012-05-29 2012-05-29 Method and apparatus for synchronization of data and error samples in a communications system
US13/482,686 2012-05-29

Publications (3)

Publication Number Publication Date
BR102013013386A2 BR102013013386A2 (pt) 2015-07-07
BR102013013386A8 BR102013013386A8 (pt) 2021-04-06
BR102013013386B1 true BR102013013386B1 (pt) 2022-06-28

Family

ID=48576217

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102013013386-8A BR102013013386B1 (pt) 2012-05-29 2013-05-29 Método e aparelho para sincronização de amostras de dados e de erro em um sistema de comunicações

Country Status (4)

Country Link
US (1) US8929501B2 (https=)
EP (1) EP2670100B1 (https=)
BR (1) BR102013013386B1 (https=)
IN (1) IN2013MU01870A (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9874858B2 (en) * 2014-03-18 2018-01-23 The United States Of America As Represented By The Secretary Of The Navy Automation control system and a method in an automation control system
KR102234792B1 (ko) * 2014-09-03 2021-04-01 삼성전자주식회사 디지털 텔레비전 및 그 제어 방법
US10972878B2 (en) * 2015-10-13 2021-04-06 Samsung Electronics Co., Ltd. Method and apparatus for providing unicast based multimedia service
US9641803B1 (en) * 2016-10-13 2017-05-02 Cisco Technology, Inc. Multiplexing FEC protection of multiple streams with different delay requirements
IL255600B (en) * 2017-11-12 2019-01-31 Satixfy Israel Ltd A system and method for renewable satellite communication
US11979131B2 (en) * 2021-05-19 2024-05-07 Hughes Network Systems, LLC. High-rate decimation filter with low hardware complexity
AU2021477859B2 (en) * 2021-12-09 2025-09-18 Kratos Integral Holdings, Llc Systems and methods for processing variable coding and modulation (vcm) based communication signals using feedforward carrier and timing recovery
US20230370241A1 (en) * 2023-06-05 2023-11-16 Intel Corporation Time synchronization technologies

Family Cites Families (14)

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US4811360A (en) * 1988-01-14 1989-03-07 General Datacomm, Inc. Apparatus and method for adaptively optimizing equalization delay of data communication equipment
US6307868B1 (en) * 1995-08-25 2001-10-23 Terayon Communication Systems, Inc. Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
KR100314353B1 (ko) * 1998-04-28 2001-12-28 전주범 직교분할대역수신시스템
US6985523B2 (en) 2001-01-10 2006-01-10 Hughes Electronics Corp. Method and system for adaptive equalization for receivers in a wide-band satellite communications system
US6904273B2 (en) 2001-01-10 2005-06-07 Hughes Electronics Corporation Method and system for automatic gain control in a satellite communications system
US20020131528A1 (en) 2001-01-10 2002-09-19 Hughes Electronics System and method of parallel partitioning a satellite communications modem
WO2004075469A2 (en) * 2003-02-19 2004-09-02 Dotcast Inc. Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
US7382826B2 (en) * 2004-01-27 2008-06-03 Zenith Electronics Llc Method and apparatus for the control of a decision feedback equalizer
US7571338B2 (en) * 2004-05-24 2009-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Determining a time difference between first and second clock domains
US7196644B1 (en) * 2004-07-01 2007-03-27 Seagate Technology Llc Decoupling of analog input and digital output
US8559573B2 (en) * 2005-12-27 2013-10-15 Agere Systems Llc Communications circuit and method with re-positionable sampling span
US8290092B2 (en) * 2009-05-20 2012-10-16 Himax Media Solutions, Inc. Digital demodulating apparatus for timing error detection
JP5564853B2 (ja) * 2009-08-14 2014-08-06 ソニー株式会社 受信装置および方法、プログラム、並びに受信システム
KR20110119119A (ko) * 2010-04-26 2011-11-02 삼성전자주식회사 잔류 측파대 신호를 처리하는 다이버시티 수신기

Also Published As

Publication number Publication date
IN2013MU01870A (https=) 2015-06-26
EP2670100A2 (en) 2013-12-04
BR102013013386A2 (pt) 2015-07-07
BR102013013386A8 (pt) 2021-04-06
US8929501B2 (en) 2015-01-06
EP2670100B1 (en) 2017-09-27
EP2670100A3 (en) 2015-01-21
US20130322511A1 (en) 2013-12-05

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B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B03H Publication of an application: rectification [chapter 3.8 patent gazette]

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B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/05/2013, OBSERVADAS AS CONDICOES LEGAIS