SE9402464D0 - Metod och anordning för synkronisering av sändare och mottagare i digitalt system - Google Patents

Metod och anordning för synkronisering av sändare och mottagare i digitalt system

Info

Publication number
SE9402464D0
SE9402464D0 SE9402464A SE9402464A SE9402464D0 SE 9402464 D0 SE9402464 D0 SE 9402464D0 SE 9402464 A SE9402464 A SE 9402464A SE 9402464 A SE9402464 A SE 9402464A SE 9402464 D0 SE9402464 D0 SE 9402464D0
Authority
SE
Sweden
Prior art keywords
chirp
signal
frames
synchronisation
frequency
Prior art date
Application number
SE9402464A
Other languages
English (en)
Other versions
SE9402464L (sv
SE514809C2 (sv
Inventor
Staffan Nystroem
Erik Stare
Maarten Rignell
Goeran Roth
Brian Loennroth
Vidar Ringset
Original Assignee
Hd Divine
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 Hd Divine filed Critical Hd Divine
Priority to SE9402464A priority Critical patent/SE514809C2/sv
Publication of SE9402464D0 publication Critical patent/SE9402464D0/sv
Priority to CN95194104A priority patent/CN1152982A/zh
Priority to AU29944/95A priority patent/AU2994495A/en
Priority to PCT/SE1995/000771 priority patent/WO1996002990A2/en
Priority to KR1019970700122A priority patent/KR970705262A/ko
Priority to JP8504933A priority patent/JPH10505471A/ja
Publication of SE9402464L publication Critical patent/SE9402464L/sv
Publication of SE514809C2 publication Critical patent/SE514809C2/sv

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
SE9402464A 1994-07-13 1994-07-13 Metod och anordning för synkronisering av sändare och mottagare i digitalt system SE514809C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9402464A SE514809C2 (sv) 1994-07-13 1994-07-13 Metod och anordning för synkronisering av sändare och mottagare i digitalt system
CN95194104A CN1152982A (zh) 1994-07-13 1995-06-22 在一个数字系统中用于发射机和接收机同步的方法和设备
AU29944/95A AU2994495A (en) 1994-07-13 1995-06-22 Method and device for synchronization of transmitter and receiver in a digital system
PCT/SE1995/000771 WO1996002990A2 (en) 1994-07-13 1995-06-22 Method and device for synchronization of transmitter and receiver in a digital system
KR1019970700122A 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)
JP8504933A JPH10505471A (ja) 1994-07-13 1995-06-22 デジタルシステムにおける送信機及び受信機の同期化方法と装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402464A SE514809C2 (sv) 1994-07-13 1994-07-13 Metod och anordning för synkronisering av sändare och mottagare i digitalt system

Publications (3)

Publication Number Publication Date
SE9402464D0 true SE9402464D0 (sv) 1994-07-13
SE9402464L SE9402464L (sv) 1996-01-14
SE514809C2 SE514809C2 (sv) 2001-04-30

Family

ID=20394713

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402464A SE514809C2 (sv) 1994-07-13 1994-07-13 Metod och anordning för synkronisering av sändare och mottagare i digitalt system

Country Status (6)

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

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SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
GB2310980B (en) * 1996-03-04 1998-04-01 Mitsubishi Electric Corp Synchronizing signal detecting apparatus
EP0822682A1 (en) * 1996-07-05 1998-02-04 Deutsche Thomson-Brandt Gmbh Method for the frequency correction of multicarrier signals and related apparatus
WO1998010545A1 (en) * 1996-09-02 1998-03-12 Telia Ab Improvements in, or relating to, 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
KR100248652B1 (ko) * 1997-03-31 2000-03-15 전주범 Ofdm 수신 시스템의 위상 신호 변환 회로
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
AU2843200A (en) 1998-11-24 2000-06-13 Hughes Electronics Corporation Synchronization in mobile satellite systems using dual-chirp waveform
US7245930B1 (en) * 1998-11-24 2007-07-17 Hughes Network Systems, Llc Acquisition mechanism for a mobile satellite system
EP1011234A1 (en) * 1998-12-18 2000-06-21 Sony International (Europe) GmbH Synchronisation of a RF receiver using chirp signals with a passive correlator
DE19914600A1 (de) * 1999-03-30 2000-10-05 Bosch Gmbh Robert Verfahren zur Synchronisation
EP1073241A3 (en) * 1999-07-29 2006-05-03 Matsushita Electric Industrial Co., Ltd. Symbol synchronisation in multicarrier transmission
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 (en) * 2003-12-10 2005-06-15 Telefonaktiebolaget LM Ericsson (publ) Wireless multicarrier system with subcarriers reserved for communication between unsynchronized nodes
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 (en) * 2012-03-30 2013-10-02 Astrium Limited Mitigating a phase anomaly in an analogue-to-digital converter output signal
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
WO2018207359A1 (ja) * 2017-05-12 2018-11-15 三菱電機株式会社 無線通信装置、送信方法および受信方法
WO2020093068A1 (en) * 2018-11-03 2020-05-07 The Research Foundation For The State University Of New York Systems and methods for identifying electronic devices
JP2023064016A (ja) * 2021-10-25 2023-05-10 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

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* 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

Also Published As

Publication number Publication date
AU2994495A (en) 1996-02-16
SE9402464L (sv) 1996-01-14
KR970705262A (ko) 1997-09-06
WO1996002990A2 (en) 1996-02-01
CN1152982A (zh) 1997-06-25
JPH10505471A (ja) 1998-05-26
SE514809C2 (sv) 2001-04-30
WO1996002990A3 (en) 1996-03-14

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