ATE540511T1 - Maximierung von leistungs- und spektraleffizienzen für geschichtete und herkömmliche modulationen - Google Patents

Maximierung von leistungs- und spektraleffizienzen für geschichtete und herkömmliche modulationen

Info

Publication number
ATE540511T1
ATE540511T1 AT03777627T AT03777627T ATE540511T1 AT E540511 T1 ATE540511 T1 AT E540511T1 AT 03777627 T AT03777627 T AT 03777627T AT 03777627 T AT03777627 T AT 03777627T AT E540511 T1 ATE540511 T1 AT E540511T1
Authority
AT
Austria
Prior art keywords
stradified
spectral efficiency
maximizing power
modulations
traditional
Prior art date
Application number
AT03777627T
Other languages
English (en)
Inventor
Ernest Chen
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
Priority claimed from PCT/US2003/032800 external-priority patent/WO2004040897A2/en
Application granted granted Critical
Publication of ATE540511T1 publication Critical patent/ATE540511T1/de

Links

Classifications

    • 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
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H04N1/00103—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Near-Field Transmission Systems (AREA)
AT03777627T 2002-10-25 2003-10-16 Maximierung von leistungs- und spektraleffizienzen für geschichtete und herkömmliche modulationen ATE540511T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42128802P 2002-10-25 2002-10-25
PCT/US2003/032800 WO2004040897A2 (en) 2001-04-27 2003-10-16 Maximizing power and spectral efficiencies for layered and conventional modulations

Publications (1)

Publication Number Publication Date
ATE540511T1 true ATE540511T1 (de) 2012-01-15

Family

ID=34312078

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03777627T ATE540511T1 (de) 2002-10-25 2003-10-16 Maximierung von leistungs- und spektraleffizienzen für geschichtete und herkömmliche modulationen

Country Status (8)

Country Link
EP (1) EP1559253B1 (de)
AR (1) AR045400A1 (de)
AT (1) ATE540511T1 (de)
AU (1) AU2003287103A1 (de)
CA (2) CA2665713C (de)
ES (1) ES2377319T3 (de)
IL (1) IL168227A (de)
NO (1) NO333917B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
US7639759B2 (en) 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7822154B2 (en) 2001-04-27 2010-10-26 The Directv Group, Inc. Signal, interference and noise power measurement
US8005035B2 (en) 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7778365B2 (en) 2001-04-27 2010-08-17 The Directv Group, Inc. Satellite TWTA on-line non-linearity measurement
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7512189B2 (en) 2001-04-27 2009-03-31 The Directv Group, Inc. Lower complexity layered modulation signal processor
WO2004006455A1 (en) 2002-07-03 2004-01-15 The Directv Group, Inc. Method and apparatus for layered modulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AU2003287103A8 (en) 2004-05-25
CA2665713A1 (en) 2004-05-13
EP1559253A2 (de) 2005-08-03
IL168227A (en) 2012-07-31
EP1559253A4 (de) 2008-02-13
NO20052423D0 (no) 2005-05-19
CA2502924A1 (en) 2004-05-13
NO20052423L (no) 2005-07-20
AR045400A1 (es) 2005-10-26
ES2377319T3 (es) 2012-03-26
NO333917B1 (no) 2013-10-21
CA2665713C (en) 2012-12-04
CA2502924C (en) 2009-12-15
AU2003287103A1 (en) 2004-05-25
EP1559253B1 (de) 2012-01-04

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