ATE424682T1 - Amplituden- und phasenanpassung für den geschichteten modulationsempfang - Google Patents

Amplituden- und phasenanpassung für den geschichteten modulationsempfang

Info

Publication number
ATE424682T1
ATE424682T1 AT03759669T AT03759669T ATE424682T1 AT E424682 T1 ATE424682 T1 AT E424682T1 AT 03759669 T AT03759669 T AT 03759669T AT 03759669 T AT03759669 T AT 03759669T AT E424682 T1 ATE424682 T1 AT E424682T1
Authority
AT
Austria
Prior art keywords
stratified
amplitude
phase adjustment
modulation reception
modulation
Prior art date
Application number
AT03759669T
Other languages
English (en)
Inventor
Ernest Chen
Jeng-Hong Chen
Kenneth Shum
Joungheon Oh
Original Assignee
Directv Group Inc
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 Directv Group Inc filed Critical Directv Group Inc
Application granted granted Critical
Publication of ATE424682T1 publication Critical patent/ATE424682T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/07—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information characterised by processes or methods for the generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/183—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • 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
    • H04L2027/0061—Closed loops remodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Facsimile Image Signal Circuits (AREA)
AT03759669T 2002-10-25 2003-10-03 Amplituden- und phasenanpassung für den geschichteten modulationsempfang ATE424682T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42133202P 2002-10-25 2002-10-25

Publications (1)

Publication Number Publication Date
ATE424682T1 true ATE424682T1 (de) 2009-03-15

Family

ID=34312081

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03759669T ATE424682T1 (de) 2002-10-25 2003-10-03 Amplituden- und phasenanpassung für den geschichteten modulationsempfang

Country Status (10)

Country Link
EP (1) EP1561291B1 (de)
AR (1) AR046476A1 (de)
AT (1) ATE424682T1 (de)
AU (1) AU2003275393A1 (de)
CA (1) CA2502867C (de)
DE (1) DE60326483D1 (de)
ES (1) ES2321184T3 (de)
NO (1) NO334197B1 (de)
TW (1) TWI260892B (de)
WO (1) WO2004040806A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8503582B2 (en) 2010-09-27 2013-08-06 Technische Universitat Berlin Receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800573A (en) * 1987-11-19 1989-01-24 American Telephone And Telegraph Company Equalization arrangement
US5016273A (en) * 1989-01-09 1991-05-14 At&E Corporation Dual communication mode video tape recorder
US5206886A (en) * 1990-04-16 1993-04-27 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modems
US6040800A (en) * 1997-04-22 2000-03-21 Ericsson Inc. Systems and methods for locating remote terminals in radiocommunication systems
US5966412A (en) * 1997-06-30 1999-10-12 Thomson Consumer Electronics, Inc. Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal
DE60312060T2 (de) * 2002-02-05 2007-08-30 Hughes Electronics Corp., El Segundo Signalvorverarbeitung der überlagerten Signale in einem digitalen Modulationsschema mit überlagerten Signalen zur Verwendung von bestehenden Empfängern

Also Published As

Publication number Publication date
CA2502867A1 (en) 2004-05-13
DE60326483D1 (de) 2009-04-16
EP1561291B1 (de) 2009-03-04
NO20052402L (no) 2005-07-07
WO2004040806A1 (en) 2004-05-13
EP1561291A4 (de) 2008-02-13
NO334197B1 (no) 2014-01-13
EP1561291A1 (de) 2005-08-10
NO20052402D0 (no) 2005-05-13
AR046476A1 (es) 2005-12-14
TW200420055A (en) 2004-10-01
ES2321184T3 (es) 2009-06-03
AU2003275393A1 (en) 2004-05-25
TWI260892B (en) 2006-08-21
CA2502867C (en) 2010-12-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties