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)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7260356B2 (en) * 2004-03-18 2007-08-21 Xm Satellite Radio, Inc. Method and apparatus for wirelessly coupling a source signal to a radio frequency receiver
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
EP1953988B1 (de) * 2007-01-30 2010-10-13 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
WO2008151308A1 (en) 2007-06-05 2008-12-11 Barsoum Maged F Design methodology and method and apparatus for signaling with capacity optimized constellations
US9191148B2 (en) 2007-06-05 2015-11-17 Constellation Designs, Inc. Methods and apparatuses for signaling with geometric constellations in a Raleigh fading channel
US8149929B2 (en) * 2008-06-17 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Receiver and method for processing radio signals using soft pilot symbols
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
WO2014174806A1 (ja) 2013-04-22 2014-10-30 パナソニック株式会社 Ｅｌ表示装置の製造方法
EP3075122B1 (de) * 2013-11-25 2021-09-15 LG Electronics Inc. Vorrichtung zum senden von rundfunksignalen, vorrichtung für den empfang von rundfunksignalen, verfahren zum senden von rundfunksignalen und verfahren für den empfang von rundfunksignalen

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278863A (en) * 1992-04-10 1994-01-11 Cd Radio Incorporated Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
FR2697395B1 (fr) 1992-10-22 1994-12-30 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisés en télévision numérique.
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
JP3139909B2 (ja) * 1994-03-15 2001-03-05 株式会社東芝 階層的直交周波数多重伝送方式および送受信装置
MY113061A (en) * 1994-05-16 2001-11-30 Sanyo Electric Co Diversity reception device
US5602833A (en) * 1994-12-19 1997-02-11 Qualcomm Incorporated Method and apparatus for using Walsh shift keying in a spread spectrum communication system
DE19822579A1 (de) 1997-06-12 1999-06-10 Daimler Benz Ag Bremsscheibe, insbesondere für ein Kraftfahrzeug
US5966412A (en) 1997-06-30 1999-10-12 Thomson Consumer Electronics, Inc. Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal
JP3392028B2 (ja) * 1997-11-28 2003-03-31 株式会社ケンウッド 階層化伝送ディジタル復調器
BR9915144A (pt) 1998-11-09 2002-01-02 Qualcomm Inc Método e equipamento para isolamento polarizado cruzado em um sistema de comunicação
US6728202B1 (en) 1998-12-24 2004-04-27 Agere Systems Inc. Code division multiplex satellite broadcasting system
US6474223B2 (en) * 1999-03-30 2002-11-05 Spirit Specialty Solutions, Inc. Roller grill monitoring device
US6349205B1 (en) * 1999-04-15 2002-02-19 Lucent Technologies Inc. Method for converting an existing subscriber to a wireless communications system
US6823169B2 (en) * 1999-05-25 2004-11-23 Xm Satellite Radio, Inc. Low cost interoperable satellite digital audio radio service (SDARS) receiver architecture
US6570858B1 (en) 1999-11-01 2003-05-27 Motorola, Inc. Satellite-based communications system with terrestrial repeater and method therefor
US6510317B1 (en) 1999-11-04 2003-01-21 Xm Satellite Radio, Inc. Satellite digital audio radio service tuner architecture for reception of satellite and terrestrial signals
BRPI0015782B1 (pt) * 1999-11-23 2017-09-12 Thomson Licensing S.A. Hierarchical qam transmission system with variable grouping factor
US7079585B1 (en) * 1999-11-23 2006-07-18 Thomson Licensing Gray encoding for hierarchical QAM transmission systems
WO2001039456A1 (en) 1999-11-23 2001-05-31 Thomson Licensing S.A. Gray encoding for hierarchical qam transmission systems
US7010263B1 (en) * 1999-12-14 2006-03-07 Xm Satellite Radio, Inc. System and method for distributing music and data
FI110290B (fi) * 2000-05-30 2002-12-31 Nokia Corp Menetelmä informaation vaiheen selvittämiseksi ja elektroniikkalaite
JP4659357B2 (ja) 2001-09-21 2011-03-30 ザ・ディレクティービー・グループ・インコーポレイテッド 条件付アクセスモジュールと、集積受信機およびデコーダの対動作を制御する方法および装置
CA2503530C (en) * 2002-10-25 2009-12-22 The Directv Group, Inc. Lower complexity layered modulation signal processor
KR101051213B1 (ko) 2003-05-05 2011-07-21 톰슨 라이센싱 계층적 변조 시스템에서 디코딩을 위한 장치 및 방법
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
WO2005055443A3 (en) 2007-10-25
EP1690341B1 (de) 2009-11-18
WO2005055443A2 (en) 2005-06-16
US20050143004A1 (en) 2005-06-30
EP1690341A4 (de) 2008-07-16
EP1690341A2 (de) 2006-08-16
DE602004024231D1 (de) 2009-12-31
US7499696B2 (en) 2009-03-03

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