DE602004026097D1 - Verfahren zur erzeugung einer hierarchischen modulation in ofdm - Google Patents

Verfahren zur erzeugung einer hierarchischen modulation in ofdm

Info

Publication number
DE602004026097D1
DE602004026097D1 DE602004026097T DE602004026097T DE602004026097D1 DE 602004026097 D1 DE602004026097 D1 DE 602004026097D1 DE 602004026097 T DE602004026097 T DE 602004026097T DE 602004026097 T DE602004026097 T DE 602004026097T DE 602004026097 D1 DE602004026097 D1 DE 602004026097D1
Authority
DE
Germany
Prior art keywords
ofdm
hierarchical modulation
generating hierarchical
generating
modulation
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004026097T
Other languages
English (en)
Inventor
Glenn A Walker
Eric A Dibiaso
Michael L Hiatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies 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 Technologies Inc filed Critical Delphi Technologies Inc
Publication of DE602004026097D1 publication Critical patent/DE602004026097D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2604—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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 Relay Systems (AREA)
DE602004026097T 2003-11-26 2004-11-23 Verfahren zur erzeugung einer hierarchischen modulation in ofdm Active DE602004026097D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52561603P 2003-11-26 2003-11-26
US10/995,721 US7386056B2 (en) 2003-11-26 2004-11-22 Method to increase performance of secondary data in a hierarchical modulation scheme
PCT/US2004/039797 WO2005055444A2 (en) 2003-11-26 2004-11-23 Method to create hierarchical modulation in ofdm

Publications (1)

Publication Number Publication Date
DE602004026097D1 true DE602004026097D1 (de) 2010-04-29

Family

ID=34623227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004026097T Active DE602004026097D1 (de) 2003-11-26 2004-11-23 Verfahren zur erzeugung einer hierarchischen modulation in ofdm

Country Status (4)

Country Link
US (1) US7386056B2 (de)
EP (1) EP1690342B1 (de)
DE (1) DE602004026097D1 (de)
WO (1) WO2005055444A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7830983B2 (en) 2005-03-01 2010-11-09 Delphi Technologies, Inc. Method to minimize degradation in a D-MPSK hierarchical modulation system
DE102005027453A1 (de) * 2005-06-14 2006-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Terrestrische Sendestation zum Aussenden eines terrestrischen Rundfunksignals, satellitengestütztes Rundfunksystem und Empfänger für ein satellitengestütztes Rundfunksystem
US7860180B2 (en) 2005-10-21 2010-12-28 Amimon Ltd OFDM modem for transmission of continuous complex numbers
JP2009513064A (ja) * 2005-10-21 2009-03-26 アミモン リミテッド 圧縮されていない映像のワイヤレス送信の装置および方法
US8559525B2 (en) 2005-10-21 2013-10-15 Amimon Ltd. Apparatus and method for uncompressed, wireless transmission of video
EP2019510B1 (de) * 2007-07-24 2011-07-27 Alcatel Lucent Drahtloses Zugriffssystem und Übertragungsverfahren
US8045500B2 (en) * 2007-08-27 2011-10-25 Delphi Technologies, Inc. Communication system and method for transmitting signals to a plurality of different types of receivers
US7869533B2 (en) * 2007-08-27 2011-01-11 Delphi Technologies, Inc. Communication system and method for receiving high priority and low priority signals
US7835692B2 (en) * 2007-08-27 2010-11-16 Delphi Technologies, Inc. Communication system and method of receiving high priority signals and low priority signals
KR101978811B1 (ko) * 2012-01-02 2019-08-29 삼성전자주식회사 계층 변조 및 복조 장치 및 이의 방법
CN106688229B (zh) * 2014-05-30 2019-09-03 陈仕东 基于变换域传输高清视频的方法
EP3139199B1 (de) * 2015-09-04 2018-12-26 Airbus Defence and Space GmbH Drahtloskommunikationseinheit, integrierte schaltung, satellitenkommunikationssystem und verfahren zur kompensation von ionosphärischer gruppenverzögerung
EP3692649A4 (de) * 2017-10-04 2021-06-23 Skywave Networks LLC Handhabung von auf pfaden mit unterschiedlicher anzahl von sprüngen empfangenen signalen
GB201818076D0 (en) * 2018-11-06 2018-12-19 Sec Dep For Foreign And Commonwealth Affairs Improved device and method for modualating information

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
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
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
WO2001039454A1 (en) 1999-11-23 2001-05-31 Thomson Licensing S.A. A hierarchical qam transmission system with varying grouping factor
US7079585B1 (en) * 1999-11-23 2006-07-18 Thomson Licensing Gray encoding for hierarchical QAM transmission systems
US6798791B1 (en) 1999-12-16 2004-09-28 Agere Systems Inc Cluster frame synchronization scheme for a satellite digital audio radio system
US7260159B2 (en) * 2001-08-22 2007-08-21 The Directv Group, Inc. Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying (QPSK) or offset quaternary phase shift keying (OQPSK)
EP1436943B1 (de) 2001-09-21 2016-11-02 The DIRECTV Group, Inc. Verfahren und vorrichtung zur steuerung des gepaarten betriebs eines moduls mit bedingtem zugriff und eines integrierten empfängers und dekodierers
KR101051213B1 (ko) 2003-05-05 2011-07-21 톰슨 라이센싱 계층적 변조 시스템에서 디코딩을 위한 장치 및 방법

Also Published As

Publication number Publication date
EP1690342A2 (de) 2006-08-16
WO2005055444A2 (en) 2005-06-16
EP1690342A4 (de) 2007-11-07
EP1690342B1 (de) 2010-03-17
WO2005055444A3 (en) 2006-08-31
US7386056B2 (en) 2008-06-10
US20050117669A1 (en) 2005-06-02

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