CN100425044C - 正交调幅传输系统及向其发送信号的装置 - Google Patents

正交调幅传输系统及向其发送信号的装置 Download PDF

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Publication number
CN100425044C
CN100425044C CNB008182876A CN00818287A CN100425044C CN 100425044 C CN100425044 C CN 100425044C CN B008182876 A CNB008182876 A CN B008182876A CN 00818287 A CN00818287 A CN 00818287A CN 100425044 C CN100425044 C CN 100425044C
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China
Prior art keywords
level
data
signal
qam
quadrant
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Expired - Lifetime
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CNB008182876A
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Chinese (zh)
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CN1423884A (zh
Inventor
蒂莫西·F·塞特尔
托马斯·P·克劳斯
库马·拉马斯瓦米
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Thomson Licensing SAS
International Digital Madison Patent Holding SAS
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THOMSON LICENSING CORP
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H04L25/062—Setting decision thresholds using feedforward techniques 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
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CNB008182876A 1999-11-23 2000-11-22 正交调幅传输系统及向其发送信号的装置 Expired - Lifetime CN100425044C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16702399P 1999-11-23 1999-11-23
US60/167,023 1999-11-23

Publications (2)

Publication Number Publication Date
CN1423884A CN1423884A (zh) 2003-06-11
CN100425044C true CN100425044C (zh) 2008-10-08

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Family Applications (1)

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CNB008182876A Expired - Lifetime CN100425044C (zh) 1999-11-23 2000-11-22 正交调幅传输系统及向其发送信号的装置

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Country Link
US (1) US7274653B1 (enExample)
EP (1) EP1232623B1 (enExample)
JP (1) JP4540284B2 (enExample)
KR (1) KR100684233B1 (enExample)
CN (1) CN100425044C (enExample)
AU (1) AU2045701A (enExample)
BR (2) BRPI0015782B1 (enExample)
DE (1) DE60023337T2 (enExample)
MX (1) MXPA02005141A (enExample)
WO (1) WO2001039454A1 (enExample)

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CN107210838A (zh) * 2015-01-14 2017-09-26 夏普株式会社 基站装置及终端装置

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US7386056B2 (en) 2003-11-26 2008-06-10 Delphi Technologies, Inc. Method to increase performance of secondary data in a hierarchical modulation scheme
US7499696B2 (en) * 2003-11-26 2009-03-03 Delphi Technologies, Inc. Method to optimize hierarchical modulation for a diversity system
US7230998B2 (en) 2003-11-26 2007-06-12 Delphi Technologies, Inc. Method to increase performance of secondary data in a hierarchical modulation scheme
US8144800B2 (en) * 2004-09-18 2012-03-27 Broadcom Corporatino Downstream transmitter and cable modem receiver for 1024 QAM
US7830983B2 (en) 2005-03-01 2010-11-09 Delphi Technologies, Inc. Method to minimize degradation in a D-MPSK hierarchical modulation system
US7773697B2 (en) 2005-03-23 2010-08-10 Delphi Technologies, Inc. Method to demodulate amplitude offsets in a differential modulation system
US7697886B2 (en) * 2005-05-19 2010-04-13 Delphi Technologies, Inc. Method and system to increase available bandwidth in a time division multiplexing system
CN101213808B (zh) * 2005-06-29 2012-12-05 松下电器产业株式会社 用于根据不同的码元映射方案而使用利用码元映射方案的码元映射器来生成调制码元的方法、以及用于生成码元映射方案的方法
US20070009064A1 (en) * 2005-07-07 2007-01-11 Zhijun Cai Method and apparatus to facilitate transmission of multiple data streams
KR100776976B1 (ko) * 2006-07-31 2007-11-21 전자부품연구원 데이터 가변적 통신 오율 제어 통신 시스템
KR100883348B1 (ko) * 2006-11-09 2009-02-11 한국전자통신연구원 계층변조 기반 수신 시스템에서의 채널 추정 장치 및 그방법
US7885289B2 (en) * 2006-12-19 2011-02-08 Lockheed Martin Corporation System and method for relaying turbo-coded piggyback messages
US8259848B2 (en) * 2007-06-08 2012-09-04 Qualcomm Incorporated Hierarchical modulation for communication channels in single-carrier frequency division multiple access
KR100901875B1 (ko) * 2007-07-19 2009-06-09 한국전자통신연구원 계층 변조 장치 및 방법
JP5168685B2 (ja) 2007-09-18 2013-03-21 独立行政法人情報通信研究機構 直交振幅変調信号発生装置
CN101494629A (zh) * 2008-01-24 2009-07-29 华为技术有限公司 获取符号映射分集、生成星座图、调制的方法和装置
US8675754B1 (en) 2009-08-19 2014-03-18 Qualcomm Incorporated Hybrid modulation schemes used in data communication
US8355471B2 (en) * 2009-08-27 2013-01-15 Telefonaktiebolaget L M Ericsson (Publ) Joint demodulation and interference suppression using serial localization with indecision
US8306102B2 (en) * 2009-08-27 2012-11-06 Telefonaktiebolaget L M Ericsson (Publ) Demodulation using serial localization with indecision
US8457254B2 (en) * 2009-08-27 2013-06-04 Telefonaktiebolaget L M Ericsson (Publ) Equalization and residual self-interference suppression using serial localization with indecision
US8279916B2 (en) 2009-08-27 2012-10-02 Telefonaktiebolaget L M Ericsson (Publ) Equalization using serial localization with indecision
US8396168B2 (en) 2010-04-15 2013-03-12 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation for equalizer using serial localization with indecision
CN102098267B (zh) * 2011-01-24 2014-06-25 中国科学院半导体研究所 高速超低功耗16qam发射装置
US20140035693A1 (en) * 2011-04-14 2014-02-06 Alcatel Lucent Method and apparatus for implementing high-order modulation schemes using low-order modulators
KR101294788B1 (ko) 2013-02-14 2013-08-08 지씨티 세미컨덕터 인코포레이티드 단일 안테나를 통한 이중열 디지털 신호 송신 방법, 단일 안테나를 통한 이중열 디지털 신호 송신기 및 단일 안테나를 통한 이중열 디지털 신호 수신 방법
US20150117866A1 (en) * 2013-10-31 2015-04-30 Zte Corporation Quadrature amplitude modulation symbol mapping
WO2015099556A1 (ru) * 2013-12-23 2015-07-02 Общество С Ограниченной Ответственностью "Космонет" Метод передачи и приема сигналов кам (квадратурной амплитудной модуляции)
CA2998997A1 (en) * 2015-09-24 2017-03-30 Sony Corporation Device, method, and program
US10097395B2 (en) * 2016-04-21 2018-10-09 Electronics And Telecommunications Research Institute Apparatus and method for transmitting and receiving signal based on QAM constellation
KR102012258B1 (ko) * 2016-04-21 2019-08-22 한국전자통신연구원 Qam 성상도에 기반한 신호 송수신 방법 및 장치
WO2020029128A1 (en) * 2018-08-08 2020-02-13 Zte Corporation Multiple access schemes with interference mitigation

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EP0594505A1 (fr) * 1992-10-22 1994-04-27 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisé en télévision numérique
US5710754A (en) * 1992-01-14 1998-01-20 Fujitsu Limited Multiplex transmission system wherein analog signal is transformed to base band random-transformed and superimposed on dispersed signal points in vector signal space
CN1222277A (zh) * 1996-06-12 1999-07-07 艾利森公司 用于qam编码数据的发射机

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US5237292A (en) * 1992-07-01 1993-08-17 Space Systems/Loral Quadrature amplitude modulation system with compensation for transmission system characteristics
US5471508A (en) * 1993-08-20 1995-11-28 Hitachi America, Ltd. Carrier recovery system using acquisition and tracking modes and automatic carrier-to-noise estimation
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US6160855A (en) * 1997-02-06 2000-12-12 Mitsubishi Materials Corporation Digital modulation method and digital communication system
JP3741858B2 (ja) * 1998-03-19 2006-02-01 富士通株式会社 適応変調方式
US6597750B1 (en) * 1998-06-19 2003-07-22 Thomson Licensing S.A. Opposite polarization interference cancellation in satellite communication

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US5710754A (en) * 1992-01-14 1998-01-20 Fujitsu Limited Multiplex transmission system wherein analog signal is transformed to base band random-transformed and superimposed on dispersed signal points in vector signal space
EP0594505A1 (fr) * 1992-10-22 1994-04-27 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisé en télévision numérique
CN1222277A (zh) * 1996-06-12 1999-07-07 艾利森公司 用于qam编码数据的发射机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107210838A (zh) * 2015-01-14 2017-09-26 夏普株式会社 基站装置及终端装置
CN107210838B (zh) * 2015-01-14 2019-12-06 夏普株式会社 基站装置及终端装置

Also Published As

Publication number Publication date
BRPI0015782B1 (pt) 2017-09-12
US7274653B1 (en) 2007-09-25
BR0015782A (pt) 2002-07-23
EP1232623B1 (en) 2005-10-19
DE60023337T2 (de) 2006-04-20
CN1423884A (zh) 2003-06-11
JP2003515976A (ja) 2003-05-07
DE60023337D1 (de) 2005-11-24
JP4540284B2 (ja) 2010-09-08
EP1232623A1 (en) 2002-08-21
KR100684233B1 (ko) 2007-02-20
MXPA02005141A (es) 2002-11-07
KR20020068355A (ko) 2002-08-27
WO2001039454A1 (en) 2001-05-31
AU2045701A (en) 2001-06-04

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