ATE449473T1 - Verfahren zum optimieren der hierarchischen modulation für ein diversity-system - Google Patents

Verfahren zum optimieren der hierarchischen modulation für ein diversity-system

Info

Publication number
ATE449473T1
ATE449473T1 AT04817881T AT04817881T ATE449473T1 AT E449473 T1 ATE449473 T1 AT E449473T1 AT 04817881 T AT04817881 T AT 04817881T AT 04817881 T AT04817881 T AT 04817881T AT E449473 T1 ATE449473 T1 AT E449473T1
Authority
AT
Austria
Prior art keywords
secondary data
transmit signal
communication satellite
hierarchical modulation
diversity system
Prior art date
Application number
AT04817881T
Other languages
English (en)
Inventor
Eric Dibiaso
Michael Hiatt
Glenn Walker
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 ATE449473T1 publication Critical patent/ATE449473T1/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
    • H04B7/18523—Satellite systems for providing broadcast service to terrestrial stations, i.e. broadcast satellite service
    • 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)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
AT04817881T 2003-11-26 2004-11-23 Verfahren zum optimieren der hierarchischen modulation für ein diversity-system ATE449473T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52561603P 2003-11-26 2003-11-26
US10/995,013 US7499696B2 (en) 2003-11-26 2004-11-22 Method to optimize hierarchical modulation for a diversity system
PCT/US2004/039433 WO2005055443A2 (en) 2003-11-26 2004-11-23 Method to optimize hierarchical modulation for a diversity system

Publications (1)

Publication Number Publication Date
ATE449473T1 true ATE449473T1 (de) 2009-12-15

Family

ID=34657188

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04817881T ATE449473T1 (de) 2003-11-26 2004-11-23 Verfahren zum optimieren der hierarchischen modulation für ein diversity-system

Country Status (5)

Country Link
US (1) US7499696B2 (de)
EP (1) EP1690341B1 (de)
AT (1) ATE449473T1 (de)
DE (1) DE602004024231D1 (de)
WO (1) WO2005055443A2 (de)

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US8144800B2 (en) * 2004-09-18 2012-03-27 Broadcom Corporatino Downstream transmitter and cable modem receiver for 1024 QAM
US7778335B2 (en) * 2005-04-22 2010-08-17 Xm Satellite Radio, Inc. Method and system for hierarchical modulation and demodulation for digital radio
US7697886B2 (en) 2005-05-19 2010-04-13 Delphi Technologies, Inc. Method and system to increase available bandwidth in a time division multiplexing system
US20070147532A1 (en) * 2005-12-22 2007-06-28 Dibiaso Eric A Method and system for injecting sub-synchronization signals
US7711335B2 (en) 2006-06-01 2010-05-04 Delphi Technologies, Inc. Digital satellite receiver and method for switching among multiple receiver antennas using diversity circuitry
DE602007009788D1 (de) * 2007-01-30 2010-11-25 Infineon Technologies Ag Sender für Kommunikationssysteme, die ein Modulationsschema benutzen
US8265175B2 (en) 2007-06-05 2012-09-11 Constellation Designs, Inc. Methods and apparatuses for signaling with geometric constellations
EP3518485B1 (de) 2007-06-05 2021-08-04 Constellation Designs, LLC Verfahren und vorrichtung zur signalisierung mit kapazitätsoptimierten konstellationen
US9191148B2 (en) 2007-06-05 2015-11-17 Constellation Designs, Inc. Methods and apparatuses for signaling with geometric constellations in a Raleigh fading channel
US20090310707A1 (en) * 2008-06-17 2009-12-17 Jung-Fu Cheng Transmitter and method for transmitting soft pilot symbols in a digital communication system
US12289192B2 (en) 2008-12-30 2025-04-29 Constellation Designs, LLC Systems and methods for receiving data transmitted using non-uniform QAM 256 constellations
US8953581B1 (en) * 2009-05-13 2015-02-10 Dust Networks, Inc. Timing synchronization for wireless networks
US12425885B2 (en) 2010-07-08 2025-09-23 Constellation Designs, LLC Systems and methods for receiving data transmitted using non-uniform QAM 256 constellations via fading channels
JPWO2014174806A1 (ja) 2013-04-22 2017-02-23 株式会社Ｊｏｌｅｄ Ｅｌ表示装置の製造方法
US9276687B1 (en) * 2013-11-25 2016-03-01 Lg Electronics Inc. Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

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US5687166A (en) * 1992-11-24 1997-11-11 Stanford Telecommunications, Inc. Modulation system for spread spectrum CDMA communication
US5454009A (en) * 1994-01-13 1995-09-26 Scientific-Atlanta, Inc. Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system
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US7230998B2 (en) * 2003-11-26 2007-06-12 Delphi Technologies, Inc. Method to increase performance of secondary data in a hierarchical modulation scheme

Also Published As

Publication number Publication date
EP1690341B1 (de) 2009-11-18
EP1690341A2 (de) 2006-08-16
DE602004024231D1 (de) 2009-12-31
US7499696B2 (en) 2009-03-03
US20050143004A1 (en) 2005-06-30
WO2005055443A2 (en) 2005-06-16
WO2005055443A3 (en) 2007-10-25
EP1690341A4 (de) 2008-07-16

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