AU1925301A - Gray encoding for hierarchical qam transmission systems - Google Patents

Gray encoding for hierarchical qam transmission systems

Info

Publication number
AU1925301A
AU1925301A AU19253/01A AU1925301A AU1925301A AU 1925301 A AU1925301 A AU 1925301A AU 19253/01 A AU19253/01 A AU 19253/01A AU 1925301 A AU1925301 A AU 1925301A AU 1925301 A AU1925301 A AU 1925301A
Authority
AU
Australia
Prior art keywords
transmission systems
gray encoding
qam transmission
hierarchical qam
hierarchical
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.)
Abandoned
Application number
AU19253/01A
Inventor
Thomas Peter Krauss
Kumar Ramaswamy
Timothy Forrest Settle
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU1925301A publication Critical patent/AU1925301A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU19253/01A 1999-11-23 2000-11-22 Gray encoding for hierarchical qam transmission systems Abandoned AU1925301A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16702499P 1999-11-23 1999-11-23
US60167024 1999-11-23
PCT/US2000/032011 WO2001039456A1 (en) 1999-11-23 2000-11-22 Gray encoding for hierarchical qam transmission systems

Publications (1)

Publication Number Publication Date
AU1925301A true AU1925301A (en) 2001-06-04

Family

ID=22605640

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19253/01A Abandoned AU1925301A (en) 1999-11-23 2000-11-22 Gray encoding for hierarchical qam transmission systems

Country Status (2)

Country Link
AU (1) AU1925301A (en)
WO (1) WO2001039456A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7002899B2 (en) 2001-10-09 2006-02-21 Ati Technologies Inc. Method and apparatus to improve SCDMA headroom
WO2003043283A1 (en) * 2001-11-14 2003-05-22 Linkair Communications, Inc. A quadrature amplitude modulation method used in the digital mobile communication system
US7095709B2 (en) 2002-06-24 2006-08-22 Qualcomm, Incorporated Diversity transmission modes for MIMO OFDM communication systems
AU2003280499A1 (en) * 2002-07-01 2004-01-19 The Directv Group, Inc. Improving hierarchical 8psk performance
CA2503432C (en) * 2002-10-25 2011-04-12 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
FR2855001A1 (en) 2003-05-14 2004-11-19 St Microelectronics Sa METHOD FOR RECEIVING TWO CORREL SIGNALS TRANSMITTED ON A SINGLE CHANNEL AND RECEIVER FOR CARRYING OUT SAID METHOD
CN100539562C (en) * 2003-05-16 2009-09-09 汤姆森许可公司 Repeated encoding in the satellite based communication systems
KR101005036B1 (en) * 2003-05-16 2010-12-30 톰슨 라이센싱 A unified receiver for layered and hierarchical modulation systems
US7724838B2 (en) 2003-09-25 2010-05-25 Qualcomm Incorporated Hierarchical coding with multiple antennas in a wireless communication system
US7215713B2 (en) 2003-11-26 2007-05-08 Delphi Technologies, Inc. Method to minimize compatibility error in hierarchical modulation
US7499696B2 (en) 2003-11-26 2009-03-03 Delphi Technologies, Inc. Method to optimize hierarchical modulation for a diversity system
US7280613B2 (en) * 2003-11-26 2007-10-09 Delphi Technologies, Inc. Method to inject hierarchical data onto single carrier stream
US20050113040A1 (en) 2003-11-26 2005-05-26 Walker Glenn A. Method to minimize compatibility error in hierarchical modulation using variable phase
US8144800B2 (en) 2004-09-18 2012-03-27 Broadcom Corporatino Downstream transmitter and cable modem receiver for 1024 QAM
EP1803269A1 (en) * 2004-10-15 2007-07-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system of radio communicationswith various resolution levels of signal modulation depending on propagation conditions
US8379769B2 (en) 2010-03-10 2013-02-19 Delphi Technologies, Inc. Communication system utilizing a hierarchically modulated signal and method thereof
JP5916507B2 (en) * 2012-05-11 2016-05-11 シャープ株式会社 TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION METHOD, PROGRAM, AND INTEGRATED CIRCUIT
RU2641448C1 (en) * 2013-12-23 2018-01-17 Общество С Ограниченной Ответственностью "Космонет" Method of transmission and reception of qam signals (quadrature amplitude modulation)
CN105634659B (en) * 2014-10-30 2019-04-05 中兴通讯股份有限公司 Data sending, receiving method, device, transmitter and the receiver of double transmission blocks

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713631A1 (en) * 1997-04-02 1998-10-08 Bosch Gmbh Robert Process for increasing the transmitted data rate and sender and receiver
US5966412A (en) * 1997-06-30 1999-10-12 Thomson Consumer Electronics, Inc. Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal

Also Published As

Publication number Publication date
WO2001039456A1 (en) 2001-05-31

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase