SE9402464L - 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 systemInfo
- Publication number
- SE9402464L SE9402464L SE9402464A SE9402464A SE9402464L SE 9402464 L SE9402464 L SE 9402464L SE 9402464 A SE9402464 A SE 9402464A SE 9402464 A SE9402464 A SE 9402464A SE 9402464 L SE9402464 L SE 9402464L
- Authority
- SE
- Sweden
- Prior art keywords
- chirp
- signal
- frames
- synchronisation
- frequency
- Prior art date
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)
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 SE9402464D0 (sv) | 1994-07-13 |
SE9402464L true 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) |
Families Citing this family (37)
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 |
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 |
US6418158B1 (en) | 1998-11-24 | 2002-07-09 | 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 |
Family Cites Families (2)
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 |
-
1994
- 1994-07-13 SE SE9402464A patent/SE514809C2/sv not_active IP Right Cessation
-
1995
- 1995-06-22 JP JP8504933A patent/JPH10505471A/ja active Pending
- 1995-06-22 KR KR1019970700122A patent/KR970705262A/ko not_active Application Discontinuation
- 1995-06-22 AU AU29944/95A patent/AU2994495A/en not_active Abandoned
- 1995-06-22 CN CN95194104A patent/CN1152982A/zh active Pending
- 1995-06-22 WO PCT/SE1995/000771 patent/WO1996002990A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1996002990A2 (en) | 1996-02-01 |
SE9402464D0 (sv) | 1994-07-13 |
AU2994495A (en) | 1996-02-16 |
CN1152982A (zh) | 1997-06-25 |
JPH10505471A (ja) | 1998-05-26 |
SE514809C2 (sv) | 2001-04-30 |
KR970705262A (ko) | 1997-09-06 |
WO1996002990A3 (en) | 1996-03-14 |
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