BRPI1011995A2 - "detecção de sincronização aprimorada e recuperação de frequência para sistemas de satélite" - Google Patents

"detecção de sincronização aprimorada e recuperação de frequência para sistemas de satélite"

Info

Publication number
BRPI1011995A2
BRPI1011995A2 BRPI1011995A BRPI1011995A BRPI1011995A2 BR PI1011995 A2 BRPI1011995 A2 BR PI1011995A2 BR PI1011995 A BRPI1011995 A BR PI1011995A BR PI1011995 A BRPI1011995 A BR PI1011995A BR PI1011995 A2 BRPI1011995 A2 BR PI1011995A2
Authority
BR
Brazil
Prior art keywords
synchronization detection
satellite systems
frequency recovery
enhanced synchronization
enhanced
Prior art date
Application number
BRPI1011995A
Other languages
English (en)
Inventor
Dirk Schmitt
Paul Gothard Knutson
Wen Gao
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI1011995A2 publication Critical patent/BRPI1011995A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/0062—Detection of the synchronisation error by features other than the received signal transition detection of error based on data decision error, e.g. Mueller type detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2679—Decision-aided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Relay Systems (AREA)
  • Error Detection And Correction (AREA)
BRPI1011995A 2009-05-29 2010-05-28 "detecção de sincronização aprimorada e recuperação de frequência para sistemas de satélite" BRPI1011995A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21733309P 2009-05-29 2009-05-29
PCT/US2010/001572 WO2010138201A2 (en) 2009-05-29 2010-05-28 Improved sync detection and frequency recovery for satellite systems

Publications (1)

Publication Number Publication Date
BRPI1011995A2 true BRPI1011995A2 (pt) 2016-05-10

Family

ID=42562722

Family Applications (5)

Application Number Title Priority Date Filing Date
BRPI1011215A BRPI1011215A2 (pt) 2009-05-29 2010-05-28 sistema e método de recuperação de portadora por alimentação antecipada aperfeiçoado
BRPI1012296A BRPI1012296A2 (pt) 2009-05-29 2010-05-28 método e aparelho para recuperação de temporização de símbolos
BRPI1011213A BRPI1011213A2 (pt) 2009-05-29 2010-05-28 detecção e correção rápidas de salto de ciclo
BRPI1011995A BRPI1011995A2 (pt) 2009-05-29 2010-05-28 "detecção de sincronização aprimorada e recuperação de frequência para sistemas de satélite"
BRPI1011199A BRPI1011199A2 (pt) 2009-05-29 2010-05-28 método e equipamento para recuperação de sincronização iterativa

Family Applications Before (3)

Application Number Title Priority Date Filing Date
BRPI1011215A BRPI1011215A2 (pt) 2009-05-29 2010-05-28 sistema e método de recuperação de portadora por alimentação antecipada aperfeiçoado
BRPI1012296A BRPI1012296A2 (pt) 2009-05-29 2010-05-28 método e aparelho para recuperação de temporização de símbolos
BRPI1011213A BRPI1011213A2 (pt) 2009-05-29 2010-05-28 detecção e correção rápidas de salto de ciclo

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI1011199A BRPI1011199A2 (pt) 2009-05-29 2010-05-28 método e equipamento para recuperação de sincronização iterativa

Country Status (7)

Country Link
US (5) US8687747B2 (pt)
EP (5) EP2436138A1 (pt)
JP (5) JP5730861B2 (pt)
KR (2) KR20120016294A (pt)
CN (5) CN102449950B (pt)
BR (5) BRPI1011215A2 (pt)
WO (6) WO2010138205A1 (pt)

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US20120039380A1 (en) 2012-02-16
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WO2010138201A3 (en) 2011-03-24
WO2010138204A1 (en) 2010-12-02
WO2010138199A3 (en) 2011-03-24
KR20120016294A (ko) 2012-02-23
JP2012528521A (ja) 2012-11-12
EP2436140A2 (en) 2012-04-04
CN102484578A (zh) 2012-05-30
CN102449950A (zh) 2012-05-09
WO2010138201A2 (en) 2010-12-02
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CN102449949A (zh) 2012-05-09
JP5678040B2 (ja) 2015-02-25
JP5646609B2 (ja) 2014-12-24
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JP2012528520A (ja) 2012-11-12
BRPI1011215A2 (pt) 2016-03-15
US20120057664A1 (en) 2012-03-08
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US8737553B2 (en) 2014-05-27
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KR20120028343A (ko) 2012-03-22
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