[go: up one dir, main page]

KR970705262A - 디지탈 시스템에서 송수신기의 동기화를 위한 방법 및 그 장치(method and device for synchronization of transmitter and receiver in a digital system) - Google Patents

디지탈 시스템에서 송수신기의 동기화를 위한 방법 및 그 장치(method and device for synchronization of transmitter and receiver in a digital system)

Info

Publication number
KR970705262A
KR970705262A KR1019970700122A KR19970700122A KR970705262A KR 970705262 A KR970705262 A KR 970705262A KR 1019970700122 A KR1019970700122 A KR 1019970700122A KR 19970700122 A KR19970700122 A KR 19970700122A KR 970705262 A KR970705262 A KR 970705262A
Authority
KR
South Korea
Prior art keywords
frame
signal
receiver
correlation
transmitter
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.)
Ceased
Application number
KR1019970700122A
Other languages
English (en)
Korean (ko)
Inventor
스타판 니스트룀
에릭 스타레
마르텐 리그넬
괴란 로쓰
브라이언 론로쓰
비다르 링세트
Original Assignee
에이취디-디바인
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 에이취디-디바인 filed Critical 에이취디-디바인
Publication of KR970705262A publication Critical patent/KR970705262A/ko
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2671—Time domain
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1019970700122A 1994-07-13 1995-06-22 디지탈 시스템에서 송수신기의 동기화를 위한 방법 및 그 장치(method and device for synchronization of transmitter and receiver in a digital system) Ceased KR970705262A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402464-3 1994-07-13
SE9402464A SE514809C2 (sv) 1994-07-13 1994-07-13 Metod och anordning för synkronisering av sändare och mottagare i digitalt system
PCT/SE1995/000771 WO1996002990A2 (fr) 1994-07-13 1995-06-22 Procede et dispositif de synchronisation d'un emetteur et d'un recepteur dans un systeme numerique

Publications (1)

Publication Number Publication Date
KR970705262A true KR970705262A (ko) 1997-09-06

Family

ID=20394713

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970700122A Ceased KR970705262A (ko) 1994-07-13 1995-06-22 디지탈 시스템에서 송수신기의 동기화를 위한 방법 및 그 장치(method and device for synchronization of transmitter and receiver in a digital system)

Country Status (6)

Country Link
JP (1) JPH10505471A (fr)
KR (1) KR970705262A (fr)
CN (1) CN1152982A (fr)
AU (1) AU2994495A (fr)
SE (1) SE514809C2 (fr)
WO (1) WO1996002990A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100248652B1 (ko) * 1997-03-31 2000-03-15 전주범 Ofdm 수신 시스템의 위상 신호 변환 회로
KR100738826B1 (ko) * 1999-03-30 2007-07-13 로베르트 보쉬 게엠베하 동기화 방법

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
US6151374A (en) * 1996-03-04 2000-11-21 Mitsubishi Denki Kabushiki Kaisha Synchronizing signal detecting apparatus
EP0822682A1 (fr) * 1996-07-05 1998-02-04 Deutsche Thomson-Brandt Gmbh Méthode de correction de fréquence de signaux à porteuses multiples et dispositif à cet effet
US6865232B1 (en) * 1996-09-02 2005-03-08 Stmicroelectronics N.V. Multi-carrier transmission systems
KR100221336B1 (ko) * 1996-12-28 1999-09-15 전주범 직교 주파수 분할 다중화 수신 시스템의 프레임 동기 장치 및 그 방법
JPH10209998A (ja) * 1997-01-20 1998-08-07 Sony Corp 復調装置
GB9709063D0 (en) * 1997-05-02 1997-06-25 British Broadcasting Corp Improvements to OFDM symbol synchronization
DE19718492A1 (de) * 1997-05-02 1998-11-05 Bosch Gmbh Robert Verfahren zur Übertragung von Daten mit einem Multiträgerübertragungsverfahren
FR2765058B1 (fr) * 1997-06-24 2000-09-01 Thomson Csf Procede et dispositif de correction frequentielle en modulation a frequence porteuse variable et plusieurs sous-porteuses
GB2332603B (en) * 1997-12-22 2000-07-19 Lsi Logic Corp Improvements relating to multidirectional communication systems
US6396866B1 (en) * 1998-05-01 2002-05-28 Trw Inc. Symmetric chirp communications acquisition method and apparatus
US6304619B1 (en) 1998-07-01 2001-10-16 Zenith Electronics Corporation Receiver synchronizer
JP2000115263A (ja) * 1998-09-30 2000-04-21 Matsushita Electric Ind Co Ltd ディジタル放送復調装置
US7245930B1 (en) * 1998-11-24 2007-07-17 Hughes Network Systems, Llc Acquisition mechanism for a mobile satellite system
AU2843200A (en) * 1998-11-24 2000-06-13 Hughes Electronics Corporation Synchronization in mobile satellite systems using dual-chirp waveform
EP1011234A1 (fr) * 1998-12-18 2000-06-21 Sony International (Europe) GmbH Synchronisation pour un récepteur RF utilisant de signaux chirp avec un correlateur passive
EP1073241A3 (fr) * 1999-07-29 2006-05-03 Matsushita Electric Industrial Co., Ltd. Synchronisation de symbôles pour la transmission multiporteuse
US6628697B1 (en) * 1999-10-21 2003-09-30 Cisco Technology, Inc. Subscriber unit ranging in a point to multipoint system
US7177343B1 (en) * 2000-05-17 2007-02-13 Zenith Electronics Corporation Compound chirp and synchronizer for using same
EP1542418A1 (fr) * 2003-12-10 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Système multiporteuses sans fil avec sous-pourteuses réservées pour la communication entre des noeuds non-synchronisés
CN100440875C (zh) * 2004-05-13 2008-12-03 中兴通讯股份有限公司 一种基带数据传输的装置及其帧同步方法
US7756005B2 (en) 2005-03-11 2010-07-13 Qualcomm Incorporated Coarse timing/frame acquisition of OFDM system using time division multiplexed pilot symbol
CN101166186A (zh) * 2006-10-20 2008-04-23 鲍东山 正交频分复用无线局域网物理层超帧的构造方法和对其的应答方法
US20080273643A1 (en) * 2007-05-04 2008-11-06 Legend Silicon Corp. Apparatus and method of exact time framing in a dmb-th transmitter
CN101146072B (zh) * 2007-10-26 2010-09-22 上海大学 甚小线性调频键控调制的超窄带通信方法
CN101267424B (zh) * 2008-02-26 2011-08-31 上海大学 基于扫频脉冲的超宽带无线通信调制方法
CN101841499B (zh) * 2009-03-18 2012-10-31 扬智科技股份有限公司 传输参数信令模块以及传输参数信令解码方法
CN101635699B (zh) * 2009-08-24 2012-12-26 清华大学 数字调频广播的ofdm系统发送传输方法
EP2645576A1 (fr) * 2012-03-30 2013-10-02 Astrium Limited Atténuation d'une anomalie de phase dans un signal de sortie du convertisseur analogique-numérique
JP6095165B2 (ja) * 2013-05-14 2017-03-15 株式会社日立国際電気 同期方法および同期装置
CN104618012A (zh) * 2015-01-23 2015-05-13 国网四川省电力公司信息通信公司 一种光谱幅度码标记产生及其误码率测量装置和方法
JP6580289B2 (ja) * 2017-05-12 2019-09-25 三菱電機株式会社 無線通信装置
WO2020093068A1 (fr) * 2018-11-03 2020-05-07 The Research Foundation For The State University Of New York Systèmes et procédés d'identification de dispositifs électroniques
JP7598639B2 (ja) * 2021-10-25 2024-12-12 公立大学法人公立諏訪東京理科大学 無線送信方法、無線送信装置、無線受信方法、無線受信装置及び無線通信方法。
CN114488874B (zh) * 2021-12-24 2023-09-26 上海磐启微电子有限公司 一种线性调频信号的采样同步方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201934A1 (de) * 1982-01-22 1983-08-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur uebertragung von digitalen informatonssignalen
DE4128713A1 (de) * 1991-08-29 1993-03-04 Daimler Benz Ag Verfahren und anordnung zur messung der traegerfrequenzablage in einem mehrkanaluebertragungssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100248652B1 (ko) * 1997-03-31 2000-03-15 전주범 Ofdm 수신 시스템의 위상 신호 변환 회로
KR100738826B1 (ko) * 1999-03-30 2007-07-13 로베르트 보쉬 게엠베하 동기화 방법

Also Published As

Publication number Publication date
AU2994495A (en) 1996-02-16
SE9402464D0 (sv) 1994-07-13
CN1152982A (zh) 1997-06-25
JPH10505471A (ja) 1998-05-26
SE514809C2 (sv) 2001-04-30
WO1996002990A2 (fr) 1996-02-01
SE9402464L (sv) 1996-01-14
WO1996002990A3 (fr) 1996-03-14

Similar Documents

Publication Publication Date Title
KR970705262A (ko) 디지탈 시스템에서 송수신기의 동기화를 위한 방법 및 그 장치(method and device for synchronization of transmitter and receiver in a digital system)
KR100234330B1 (ko) Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법
KR980007179A (ko) 동기장치
KR920013945A (ko) 지엠에스케이 신호복조방법 및 그 장치
NZ509688A (en) Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol
WO2004044757A3 (fr) Procede et appareil d'acquisition de donnees
BR9908123A (pt) Processo e aparelho para detectar um sinal de sincronização de frequência transmitido do transmissor para o receptor junto com outros sinais
TW200503426A (en) A transmission system, a receiving unit, and detection unit
EP0360691A3 (fr) Appareil de réception d'un signal numérique
TW345789B (en) Data synchronizer lock detector and method of operation thereof
EP0946017A3 (fr) Système de transmission de données
KR960003395A (ko) 복합영상신호에 실린 디지탈데이타를 위한 검출클럭 발생장치 및 검출클럭을 이용한 데이타 검출장치
US5367543A (en) Circuit for detecting synchronizing signal in frame synchronization data transmission
GB9929328D0 (en) Data processing
KR20010049862A (ko) 디지털 보호 계전기
JP3412558B2 (ja) クロック周波数制御方法及びこれに用いる受信装置
JPH0537511A (ja) ユニークワード検出回路
EP1187372A3 (fr) Récepteur optique avec moyens et méthode de contrôle du débit de bits
JP2950351B2 (ja) パルス信号発生回路
SE8001910L (sv) Forfarande och anordning for synkronisering av en biner datasignal
KR960012771A (ko) 프레임 동기화특성을 갖는 다중반송파 송수신시스템
KR200229125Y1 (ko) 입출력보드에서의 바이트 클럭 발생 장치
KR960027637A (ko) 동기신호 검출장치
WO2001078297A3 (fr) Procede et appareil de synchronisation entre donnees emises et reçues sur un reseau
JP4940451B2 (ja) 同期装置および同期方法

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19970110

Patent event code: PA01051R01D

Comment text: International Patent Application

A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19970409

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19990429

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19990630

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19990429

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I