DE69718799D1 - Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme - Google Patents
Verbesserungen in, oder in bezug auf mehrträgerübertragungssystemeInfo
- Publication number
- DE69718799D1 DE69718799D1 DE69718799T DE69718799T DE69718799D1 DE 69718799 D1 DE69718799 D1 DE 69718799D1 DE 69718799 T DE69718799 T DE 69718799T DE 69718799 T DE69718799 T DE 69718799T DE 69718799 D1 DE69718799 D1 DE 69718799D1
- Authority
- DE
- Germany
- Prior art keywords
- sampling clock
- carrier
- regard
- transfer systems
- carrier transfer
- 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
Links
- 238000005070 sampling Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H04L27/2657—Carrier synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603189A SE506636C2 (sv) | 1996-05-24 | 1996-09-02 | Förbättringar av, eller med avseende på, multibärvågssystem |
PCT/SE1997/001452 WO1998010547A2 (en) | 1996-09-02 | 1997-09-01 | Improvements in, or relating to, multi-carrier transmission systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69718799D1 true DE69718799D1 (de) | 2003-03-06 |
DE69718799T2 DE69718799T2 (de) | 2003-11-13 |
Family
ID=20403747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69718799T Expired - Lifetime DE69718799T2 (de) | 1996-09-02 | 1997-09-01 | Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme |
Country Status (7)
Country | Link |
---|---|
US (1) | US6363128B1 (de) |
EP (1) | EP0922342B1 (de) |
JP (1) | JP4447056B2 (de) |
AT (1) | ATE232034T1 (de) |
DE (1) | DE69718799T2 (de) |
NO (1) | NO990769L (de) |
WO (1) | WO1998010547A2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69819673T2 (de) * | 1998-01-19 | 2004-09-30 | Victor Company of Japan, Ltd., Yokohama | Anordnung zur Symbolsynchronisierung in einem OFDM-Übertragungssystem unter Verwendung der Eigenschaften eines Kommunikationskanals |
FI106592B (fi) | 1998-05-07 | 2001-02-28 | Nokia Multimedia Network Termi | Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä |
US6707868B1 (en) * | 1999-04-12 | 2004-03-16 | Intel Corporation | Apparatus for recovering timing of a digital signal for a transceiver |
US6680940B1 (en) * | 1999-05-19 | 2004-01-20 | 3Com Corporation | System for transporting ethernet frames over very high speed digital subscriber lines |
DE69937401T2 (de) * | 1999-05-21 | 2008-07-24 | Fujitsu Ltd., Kawasaki | Verfahren und vorrichtung zur nachrichtenübertragung über eine digitale teilnehmeranschlussleitung |
US6587476B1 (en) | 1999-05-26 | 2003-07-01 | 3 Com Corporation | Ethernet frame encapsulation over VDSL using HDLC |
US6608834B1 (en) | 1999-05-26 | 2003-08-19 | 3 Com Corporation | System for encapsulating Ethernet frames over very high speed digital subscriber lines |
US6625113B1 (en) * | 1999-08-30 | 2003-09-23 | Agere Systems Inc. | Digital signal frame and interleaver synchronizer |
JP2003520504A (ja) | 2000-01-07 | 2003-07-02 | アウェア, インコーポレイテッド | 診断送信モードおよび診断通信を構築するためのシステムおよびその方法 |
US20010031016A1 (en) * | 2000-03-14 | 2001-10-18 | Ernest Seagraves | Enhanced bitloading for multicarrier communication channel |
US6788349B2 (en) * | 2000-04-12 | 2004-09-07 | Her Majesty Of Queen In Right Of Canada, As Respresented By The Minister Of Industry | Method and system for broadcasting a digital data signal within an analog TV signal using Orthogonal Frequency Division Multiplexing |
JP2004501535A (ja) | 2000-04-18 | 2004-01-15 | アウェア, インコーポレイテッド | 変動マージンを用いたマルチキャリア変調システムおよび方法 |
US20050259566A1 (en) * | 2001-09-12 | 2005-11-24 | Jae-Hak Chung | Method and apparatus for transferring channel information in ofdm communications |
AU2002251290A1 (en) * | 2002-04-19 | 2003-11-03 | Conexant Systems, Inc. | System for and method of determining timing information from a multi-carrier signal |
SG111072A1 (en) * | 2002-07-03 | 2005-05-30 | Oki Techno Ct Singapore Pte | Receiver and method for wlan burst type signals |
US7277517B1 (en) | 2002-11-15 | 2007-10-02 | 3Com Corporation | Method for achieving symbol alignment to a pre-existing ADSL data exchange |
US7042967B2 (en) * | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
WO2004079927A2 (en) * | 2003-03-03 | 2004-09-16 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
CN1846415B (zh) * | 2003-03-28 | 2010-08-04 | 英特尔公司 | 用于ofdm信号的两信道频偏估计的系统和方法 |
EP1609284A1 (de) * | 2003-03-28 | 2005-12-28 | Intel Corporation | System und verfahren zur adaptiven phasenkompensation von ofdm-signalen |
AU2003269739A1 (en) * | 2003-03-28 | 2004-10-18 | Intel Corporation | Method and apparatus for ofdm symbol timing synchronization |
AU2003267470A1 (en) * | 2003-10-03 | 2005-04-21 | Nokia Corporation | Method, system and receiver for receiving a multi-carrier transmission |
JP4438482B2 (ja) * | 2004-04-05 | 2010-03-24 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 受信品質推定方法および装置 |
WO2007071193A1 (en) * | 2005-12-23 | 2007-06-28 | Triductor Technology (Suzhou) Inc. | A multi-channel timing recovery system |
US8139680B2 (en) | 2007-01-12 | 2012-03-20 | General Dynamics C4 Systems, Inc. | Signal acquisition methods and apparatus in wireless communication systems |
US7907679B2 (en) * | 2007-01-12 | 2011-03-15 | General Dynamics C4 Systems, Inc. | Methods and systems for acquiring signals using coherent match filtering |
JP5423505B2 (ja) * | 2010-03-17 | 2014-02-19 | 富士通株式会社 | 無線基地局及び通信方法 |
JP5786478B2 (ja) * | 2011-06-15 | 2015-09-30 | 富士通株式会社 | 動画像復号装置、動画像復号方法、及び動画像復号プログラム |
CN107332749B (zh) | 2017-07-05 | 2020-09-22 | 北京东土科技股份有限公司 | 基于工业互联网现场层宽带总线架构的同步方法及装置 |
WO2020012582A1 (ja) * | 2018-07-11 | 2020-01-16 | 三菱電機株式会社 | 無線通信システムおよび無線通信方法 |
US10560289B1 (en) | 2018-09-13 | 2020-02-11 | Viasat, Inc. | Adaptive equalizer system |
KR102067938B1 (ko) * | 2019-01-14 | 2020-01-17 | 박천수 | 제로포스 이퀄라이징 벡터합성 앱솔루트 엔코더 구현방법 및 그 장치 |
US10944535B2 (en) * | 2019-05-29 | 2021-03-09 | Shure Acquisition Holdings, Inc. | OFDMA baseband clock synchronization |
FR3102620B1 (fr) | 2019-10-24 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
FR3113142B1 (fr) | 2020-07-30 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
FR3113140B1 (fr) | 2020-07-30 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE500986C2 (sv) | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
US5444697A (en) * | 1993-08-11 | 1995-08-22 | The University Of British Columbia | Method and apparatus for frame synchronization in mobile OFDM data communication |
JP2731722B2 (ja) * | 1994-05-26 | 1998-03-25 | 日本電気株式会社 | クロック周波数自動制御方式及びそれに用いる送信装置と受信装置 |
US5627863A (en) * | 1994-07-15 | 1997-05-06 | Amati Communications Corporation | Frame synchronization in multicarrier transmission systems |
JP3289610B2 (ja) * | 1996-07-31 | 2002-06-10 | 日本ビクター株式会社 | Ofdm復調装置及びその方法 |
US6058101A (en) * | 1997-06-11 | 2000-05-02 | Industrial Technology Research Institute | Synchronization method and system for a digital receiver |
-
1997
- 1997-09-01 AT AT97939276T patent/ATE232034T1/de not_active IP Right Cessation
- 1997-09-01 US US09/147,746 patent/US6363128B1/en not_active Expired - Lifetime
- 1997-09-01 JP JP51255498A patent/JP4447056B2/ja not_active Expired - Lifetime
- 1997-09-01 DE DE69718799T patent/DE69718799T2/de not_active Expired - Lifetime
- 1997-09-01 EP EP97939276A patent/EP0922342B1/de not_active Expired - Lifetime
- 1997-09-01 WO PCT/SE1997/001452 patent/WO1998010547A2/en active IP Right Grant
-
1999
- 1999-02-19 NO NO990769A patent/NO990769L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69718799T2 (de) | 2003-11-13 |
US6363128B1 (en) | 2002-03-26 |
EP0922342B1 (de) | 2003-01-29 |
WO1998010547A3 (en) | 1998-05-07 |
ATE232034T1 (de) | 2003-02-15 |
EP0922342A2 (de) | 1999-06-16 |
JP4447056B2 (ja) | 2010-04-07 |
NO990769L (no) | 1999-04-30 |
JP2000517506A (ja) | 2000-12-26 |
NO990769D0 (no) | 1999-02-19 |
WO1998010547A2 (en) | 1998-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |