ATE455423T1 - Verfahren zur minimierung von kompatibilitätsfehlern bei der hierarchischen modulation - Google Patents

Verfahren zur minimierung von kompatibilitätsfehlern bei der hierarchischen modulation

Info

Publication number
ATE455423T1
ATE455423T1 AT04811134T AT04811134T ATE455423T1 AT E455423 T1 ATE455423 T1 AT E455423T1 AT 04811134 T AT04811134 T AT 04811134T AT 04811134 T AT04811134 T AT 04811134T AT E455423 T1 ATE455423 T1 AT E455423T1
Authority
AT
Austria
Prior art keywords
signal
data
modulation
modulation signal
hierarchical modulation
Prior art date
Application number
AT04811134T
Other languages
English (en)
Inventor
Glenn Walker
Eric Dibiaso
Michael Hiatt
Original Assignee
Delphi Tech 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 Delphi Tech Inc filed Critical Delphi Tech Inc
Application granted granted Critical
Publication of ATE455423T1 publication Critical patent/ATE455423T1/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
    • H04B7/18513—Transmission in a satellite or space-based system
    • 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
    • H04L27/32—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT04811134T 2003-11-26 2004-11-17 Verfahren zur minimierung von kompatibilitätsfehlern bei der hierarchischen modulation ATE455423T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52561603P 2003-11-26 2003-11-26
US10/946,657 US7215713B2 (en) 2003-11-26 2004-09-22 Method to minimize compatibility error in hierarchical modulation
PCT/US2004/038309 WO2005055440A2 (en) 2003-11-26 2004-11-17 Method to minimize compatibility error in hierarchical modulation

Publications (1)

Publication Number Publication Date
ATE455423T1 true ATE455423T1 (de) 2010-01-15

Family

ID=34595321

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04811134T ATE455423T1 (de) 2003-11-26 2004-11-17 Verfahren zur minimierung von kompatibilitätsfehlern bei der hierarchischen modulation

Country Status (5)

Country Link
US (1) US7215713B2 (de)
EP (1) EP1690340B1 (de)
AT (1) ATE455423T1 (de)
DE (1) DE602004025138D1 (de)
WO (1) WO2005055440A2 (de)

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US11467249B2 (en) 2007-04-24 2022-10-11 Aviation Communication & Surveillance Systems Llc Interval management using data overlay
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WO2010003105A1 (en) * 2008-07-02 2010-01-07 Sirius Xm Radio Inc. Method to minimized interference into legacy sdars reception by varying overlay modulation as a function of satellite position
US12289192B2 (en) 2008-12-30 2025-04-29 Constellation Designs, LLC Systems and methods for receiving data transmitted using non-uniform QAM 256 constellations
US7903629B2 (en) * 2009-01-30 2011-03-08 Delphi Technologies, Inc. Hierarchically modulated OFDM communication from a satellite-based transmitter with reduced secondary data loss from clipping
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US8619895B2 (en) * 2010-08-18 2013-12-31 Electronics And Telecommunications Research Institute Apparatus and method for transmitting/receiving broadcast data in digital broadcasting system
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Also Published As

Publication number Publication date
EP1690340A4 (de) 2008-07-02
WO2005055440A2 (en) 2005-06-16
DE602004025138D1 (de) 2010-03-04
US20050111580A1 (en) 2005-05-26
EP1690340A2 (de) 2006-08-16
US7215713B2 (en) 2007-05-08
EP1690340B1 (de) 2010-01-13
WO2005055440A3 (en) 2006-07-20

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