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FR2827453B1 - Procede de modulation et emetteur pour systeme de communications - Google Patents

Procede de modulation et emetteur pour systeme de communications

Info

Publication number
FR2827453B1
FR2827453B1 FR0208827A FR0208827A FR2827453B1 FR 2827453 B1 FR2827453 B1 FR 2827453B1 FR 0208827 A FR0208827 A FR 0208827A FR 0208827 A FR0208827 A FR 0208827A FR 2827453 B1 FR2827453 B1 FR 2827453B1
Authority
FR
France
Prior art keywords
transmitter
communications system
modulation method
modulation
communications
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.)
Expired - Lifetime
Application number
FR0208827A
Other languages
English (en)
Other versions
FR2827453A1 (fr
Inventor
Min Goo Kim
Sang Hyuck Ha
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2827453A1 publication Critical patent/FR2827453A1/fr
Application granted granted Critical
Publication of FR2827453B1 publication Critical patent/FR2827453B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR0208827A 2001-07-12 2002-07-12 Procede de modulation et emetteur pour systeme de communications Expired - Lifetime FR2827453B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0041884A KR100450948B1 (ko) 2001-07-12 2001-07-12 통신시스템에서 변조방식 결정장치 및 방법

Publications (2)

Publication Number Publication Date
FR2827453A1 FR2827453A1 (fr) 2003-01-17
FR2827453B1 true FR2827453B1 (fr) 2008-09-19

Family

ID=19712089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0208827A Expired - Lifetime FR2827453B1 (fr) 2001-07-12 2002-07-12 Procede de modulation et emetteur pour systeme de communications

Country Status (13)

Country Link
US (1) US7227874B2 (fr)
EP (1) EP1276266B1 (fr)
JP (1) JP3765816B2 (fr)
KR (1) KR100450948B1 (fr)
CN (1) CN1205794C (fr)
AU (1) AU2002354662B2 (fr)
BR (1) BRPI0205741B1 (fr)
CA (1) CA2421014C (fr)
DE (1) DE20211492U1 (fr)
FR (1) FR2827453B1 (fr)
GB (1) GB2380106B (fr)
RU (1) RU2253185C2 (fr)
WO (1) WO2003007567A1 (fr)

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KR100800807B1 (ko) 2001-11-20 2008-02-01 삼성전자주식회사 재전송을 지원하는 통신시스템에서 재전송의 변조방식결정 방법 및 장치
CA2443453C (fr) * 2002-02-06 2008-01-15 Samsung Electronics Co., Ltd. Entrelaceur et procede d'entrelacement dans un systeme de communication
KR100878805B1 (ko) * 2002-04-30 2009-01-14 엘지전자 주식회사 부패킷 전송 변수 결정 방법
KR100866237B1 (ko) * 2004-01-20 2008-10-30 삼성전자주식회사 고속 무선 데이터 시스템을 위한 변조 차수 결정 장치 및 방법과 그 데이터 수신 장치 및 방법
US7680278B2 (en) * 2004-02-04 2010-03-16 Microsoft Corporation Domino scheme for wireless cryptographic communication and communication method incorporating same
DE102004052897B4 (de) * 2004-11-02 2017-03-30 Intel Deutschland Gmbh Funkempfänger und Verfahren für den Empfang von mit zwei Modulationsarten modulierten Datenbursts
US9385843B2 (en) 2004-12-22 2016-07-05 Qualcomm Incorporated Method and apparatus for using multiple modulation schemes for a single packet
US7986633B2 (en) * 2004-12-27 2011-07-26 Lg Electronics Inc. Method of controlling data transmission for multimedia and broadcasting services in a broadband wireless access system
CN101112028B (zh) * 2005-01-31 2012-05-23 夏普株式会社 基站装置与移动站装置
CA2597553C (fr) * 2005-02-14 2014-02-11 Lg Electronics Inc. Methode de commande de transmission de donnees pour mbs dans un systeme d'acces de diffusion sans fil
US8566676B2 (en) * 2007-01-05 2013-10-22 Qualcomm Incorporated FEC code and code rate selection based on packet size
KR101524780B1 (ko) * 2007-09-14 2015-06-01 삼성전자주식회사 유사 골레이 시퀀스를 이용한 통신 장치 및 그 데이터 송수신 방법
CN101420400B (zh) * 2007-10-26 2011-02-02 上海无线通信研究中心 多载波系统物理层模式选择优化方法
EP2134051A1 (fr) 2008-06-13 2009-12-16 THOMSON Licensing Schéma de transmission QAM adaptatif pour améliorer la performance sur un canal AWGN
US8179783B2 (en) 2008-08-13 2012-05-15 Telefonaktiebolaget L M Ericsson (Publ) System and method of modulation and coding scheme adjustment for a LTE shared data channel
US8681619B2 (en) * 2010-04-08 2014-03-25 Landis+Gyr Technologies, Llc Dynamic modulation selection
WO2011145832A2 (fr) * 2010-05-20 2011-11-24 엘지전자 주식회사 Procédé de détermination de l'ordre de modulation d'informations de commande de liaison montante dans un système de communication sans fil à antennes multiples et dispositif correspondant
JP2015519799A (ja) * 2012-04-16 2015-07-09 エントロピック・コミュニケーションズ・インコーポレイテッドＥｎｔｒｏｐｉｃ Ｃｏｍｍｕｎｉｃａｔｉｏｎｓ， Ｉｎｃ． ダウンストリームアクセスのための順次変調
US9722848B2 (en) * 2014-05-08 2017-08-01 Intel Corporation Techniques for using a modulation and coding scheme for downlink transmissions
CN104202115B (zh) * 2014-05-09 2019-05-07 中兴通讯股份有限公司 高阶编码的调制处理方法及装置、基站、终端
US11431533B2 (en) * 2017-05-04 2022-08-30 Qualcomm Incorporated Modulation and coding scheme value selection

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
JPS57159148A (en) * 1981-03-25 1982-10-01 Fujitsu Ltd Adaptive modulation system
JPH0730595A (ja) * 1993-07-14 1995-01-31 Nec Corp 衛星通信における変調制御方式
US5533004A (en) * 1994-11-07 1996-07-02 Motorola, Inc. Method for providing and selecting amongst multiple data rates in a time division multiplexed system
CA2161467C (fr) 1994-11-18 2001-01-30 Kumar Ramaswamy Appareil de demodulation et de decodage de signaux de television numerique transmis par satellite, par voie terrestre ou par cable
JPH08163085A (ja) * 1994-12-02 1996-06-21 Toshiba Corp 情報通信装置
US6574211B2 (en) * 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
JPH11275059A (ja) * 1998-03-26 1999-10-08 Mitsubishi Electric Corp 可変速度伝送方法および可変速度伝送装置
US6223319B1 (en) * 1998-08-20 2001-04-24 General Electric Company Turbo code decoder with controlled probability estimate feedback
GB2343342A (en) * 1998-10-28 2000-05-03 Int Mobile Satellite Org Satellite communication system with variable data transmission rate
US6292918B1 (en) * 1998-11-05 2001-09-18 Qualcomm Incorporated Efficient iterative decoding
US6233709B1 (en) * 1998-12-07 2001-05-15 Nokia Mobile Phones Ltd. Dynamic iterative decoding for balancing quality of service parameters
US6804211B1 (en) * 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
KR100423520B1 (ko) 1999-12-22 2004-03-19 주식회사 포스코 스케일이 균일한 이상 스테인레스강 연속주조 주편의 제조 방법
RU2160509C1 (ru) * 2000-02-04 2000-12-10 Виноградов Сергей Михайлович Способ и устройство синтеза, передачи, приема, анализа и оценки многовариантных по форме, многопозиционных и локальных по спектру сигналов
US6707862B1 (en) * 2000-03-21 2004-03-16 Denso Corporation Predictive data rate control in wireless transmitters
EP1281241A2 (fr) * 2000-04-04 2003-02-05 Advanced Hardware Architectures, Inc Systeme de turbo decodeur de code produit ameliore
EP1162774A1 (fr) * 2000-06-07 2001-12-12 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Controle de la qualité de la liaison adapté à la taille du block de transport
US7126930B2 (en) * 2001-02-10 2006-10-24 Qualcomm, Incorporated Method and apparatus for transmitting messages in a wireless communication system
US6987778B2 (en) * 2001-05-22 2006-01-17 Qualcomm Incorporated Enhanced channel interleaving for optimized data throughput
KR100797459B1 (ko) * 2001-07-10 2008-01-24 엘지전자 주식회사 하이브리드 자동 재전송 요구 시스템에서의 데이터 전송방법

Also Published As

Publication number Publication date
EP1276266A2 (fr) 2003-01-15
RU2253185C2 (ru) 2005-05-27
KR20030006198A (ko) 2003-01-23
GB2380106B (en) 2003-09-17
FR2827453A1 (fr) 2003-01-17
EP1276266B1 (fr) 2015-07-08
CN1465168A (zh) 2003-12-31
JP3765816B2 (ja) 2006-04-12
AU2002354662B2 (en) 2005-01-06
GB0216202D0 (en) 2002-08-21
KR100450948B1 (ko) 2004-10-02
CA2421014C (fr) 2008-09-23
BR0205741A (pt) 2003-07-29
JP2004522377A (ja) 2004-07-22
CA2421014A1 (fr) 2003-01-23
DE20211492U1 (de) 2002-12-05
CN1205794C (zh) 2005-06-08
US7227874B2 (en) 2007-06-05
EP1276266A3 (fr) 2007-07-25
WO2003007567A1 (fr) 2003-01-23
US20030031122A1 (en) 2003-02-13
BRPI0205741B1 (pt) 2016-01-26
GB2380106A (en) 2003-03-26

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