DE69707872D1 - Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem Mehrträgerübertragungssystem - Google Patents
Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem MehrträgerübertragungssystemInfo
- Publication number
- DE69707872D1 DE69707872D1 DE69707872T DE69707872T DE69707872D1 DE 69707872 D1 DE69707872 D1 DE 69707872D1 DE 69707872 T DE69707872 T DE 69707872T DE 69707872 T DE69707872 T DE 69707872T DE 69707872 D1 DE69707872 D1 DE 69707872D1
- Authority
- DE
- Germany
- Prior art keywords
- phi
- tau
- transmission system
- clock timing
- timing error
- 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
- 230000005540 biological transmission Effects 0.000 title abstract 4
- 239000000969 carrier Substances 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
- H04L27/2662—Symbol 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
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97402201A EP0903897B1 (de) | 1997-09-22 | 1997-09-22 | Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem Mehrträgerübertragungssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69707872D1 true DE69707872D1 (de) | 2001-12-06 |
DE69707872T2 DE69707872T2 (de) | 2002-04-25 |
Family
ID=8229853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69707872T Expired - Lifetime DE69707872T2 (de) | 1997-09-22 | 1997-09-22 | Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem Mehrträgerübertragungssystem |
Country Status (8)
Country | Link |
---|---|
US (2) | US6628738B1 (de) |
EP (1) | EP0903897B1 (de) |
JP (1) | JP4188466B2 (de) |
AT (1) | ATE208110T1 (de) |
AU (1) | AU743588B2 (de) |
DE (1) | DE69707872T2 (de) |
ES (1) | ES2164313T3 (de) |
IL (1) | IL125333A (de) |
Families Citing this family (70)
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EP2254301B1 (de) * | 1998-01-06 | 2013-06-19 | Mosaid Technologies Incorporated | System zur Mehrträgermodulation mit veränderbaren Symbolgeschwindigkeiten |
DE19849318A1 (de) * | 1998-10-26 | 2000-04-27 | Rohde & Schwarz | Verfahren zum Verarbeiten von durch ein Mehrantennensystem gleichzeitig empfangenen OFDM-Signalen |
US6370188B1 (en) * | 1999-03-31 | 2002-04-09 | Texas Instruments Incorporated | Phase and frequency offset compensation in a telecommunications receiver |
DE60039862D1 (de) * | 1999-04-22 | 2008-09-25 | Nippon Telegraph & Telephone | OFDM Nachrichtenübertragunds-Packetempfänger |
US6785349B1 (en) | 1999-05-28 | 2004-08-31 | 3Com Corporation | Correlation based method of determining frame boundaries of data frames that are periodically extended |
US6735255B1 (en) | 1999-05-28 | 2004-05-11 | 3Com Corporation | Correlation based method of determining frame boundaries of data frames that are periodically extended |
US6765969B1 (en) * | 1999-09-01 | 2004-07-20 | Motorola, Inc. | Method and device for multi-user channel estimation |
US6272192B1 (en) * | 1999-09-20 | 2001-08-07 | Motorola Inc. | Method and apparatus for transmit timing adjustment in a host-processor-based modem |
DE69906548T2 (de) * | 1999-12-14 | 2004-03-04 | Stmicroelectronics N.V. | DSL-Übertragungsystem mit Fernnebensprechkompensation |
GB0004088D0 (en) * | 2000-02-21 | 2000-04-12 | Nokia Networks Oy | Packet data services in a telecommunications system |
WO2001065794A1 (en) * | 2000-02-29 | 2001-09-07 | 3Com Corporation | Method of multicarrier symbol synchronisation by using correlation |
KR20010093494A (ko) * | 2000-03-29 | 2001-10-29 | 전주범 | 케이블모뎀의 타임스탬프 에러검출기 |
US7020074B1 (en) * | 2000-04-03 | 2006-03-28 | Nortel Networks Limited | Synchronization method and apparatus for frequency division multiplexed telecommunication systems |
US6847693B1 (en) * | 2000-05-16 | 2005-01-25 | 3Com Corporation | Method and device providing data derived timing recovery for multicarrier communications |
US7050522B2 (en) * | 2000-05-26 | 2006-05-23 | International Business Machines Corporation | Phase rotator and data recovery receiver incorporating said phase rotator |
EP1162803A1 (de) * | 2000-06-05 | 2001-12-12 | Telefonaktiebolaget L M Ericsson (Publ) | Frequenznachlaufgerät und -verfahren für einen Empfänger eines Multiträger-Kommunikationssystems |
EP1162777A1 (de) | 2000-06-07 | 2001-12-12 | Alcatel | Mehrträger-Kommunikationsystem mit Abtastratenpilotkanal und Zeitduplexrasterfrequenz-pilotkanal |
DE10031677B4 (de) * | 2000-06-29 | 2005-09-29 | Siemens Ag | Verfahren bzw. Kommunikationssystem mit einer robusten Diversitäts-Kombinierung |
US6983047B1 (en) | 2000-08-29 | 2006-01-03 | Lucent Technologies Inc. | Echo canceling system for a bit pump and method of operating the same |
US6970511B1 (en) | 2000-08-29 | 2005-11-29 | Lucent Technologies Inc. | Interpolator, a resampler employing the interpolator and method of interpolating a signal associated therewith |
US6876699B1 (en) | 2000-08-29 | 2005-04-05 | Lucent Technologies Inc. | Filter circuit for a bit pump and method of configuring the same |
US6894989B1 (en) | 2000-08-29 | 2005-05-17 | Agere Systems Inc. | Separation circuit for an echo canceling system and method of operating the same |
US6973146B1 (en) * | 2000-08-29 | 2005-12-06 | Lucent Technologies Inc. | Resampler for a bit pump and method of resampling a signal associated therewith |
EP1221794A1 (de) * | 2001-01-05 | 2002-07-10 | Alcatel | Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem Mehrträgerübertragungssystem |
US6760574B1 (en) * | 2001-04-17 | 2004-07-06 | Centillium Communications, Inc. | Two-dimensional signal detector with dynamic timing phase compensation |
US6985550B2 (en) * | 2001-04-30 | 2006-01-10 | Agere Systems Inc. | Jitter control processor and a transceiver employing the same |
US7272175B2 (en) * | 2001-08-16 | 2007-09-18 | Dsp Group Inc. | Digital phase locked loop |
US7103116B2 (en) * | 2001-09-24 | 2006-09-05 | Atheros Communications, Inc. | Detection of a false detection of a communication packet |
US7203255B2 (en) * | 2001-09-24 | 2007-04-10 | Atheros Communications, Inc. | Method and system to implement non-linear filtering and crossover detection for pilot carrier signal phase tracking |
US7170961B2 (en) * | 2002-01-08 | 2007-01-30 | Patrick Vandenameele-Lepla | Method and apparatus for frequency-domain tracking of residual frequency and channel estimation offsets |
EP1335553A1 (de) | 2002-02-12 | 2003-08-13 | Alcatel | Synchronisierung des Symboltaktes in einem Mehrträgerübertragungssystem |
US7260117B2 (en) * | 2002-03-08 | 2007-08-21 | Centillium Communications, Inc. | Synchronizing initial handshake in ADSL annex C to TTR |
US7376157B1 (en) | 2002-03-08 | 2008-05-20 | Centillium Communications, Inc. | Synchronizing ADSL Annex C transceivers to TTR |
AU2003241357A1 (en) * | 2002-05-06 | 2003-11-11 | Enikia Llc | Method and system of channel analysis and carrier selection in ofdm and multi-carrier systems |
US7224666B2 (en) * | 2002-05-13 | 2007-05-29 | Texas Instruments Incorporated | Estimating frequency offsets using pilot tones in an OFDM system |
US20030235252A1 (en) * | 2002-06-19 | 2003-12-25 | Jose Tellado | Method and system of biasing a timing phase estimate of data segments of a received signal |
GB0215639D0 (en) * | 2002-07-05 | 2002-08-14 | British Broadcasting Corp | OFDM receivers |
US7158576B2 (en) * | 2003-01-03 | 2007-01-02 | Accton Technology Corporation | Orthogonally-multiplexed orthogonal amplitude modulation method |
AU2003269740A1 (en) * | 2003-03-28 | 2004-10-18 | Intel Corporation | System and method for adaptive phase compensation of ofdm signals |
US7583737B2 (en) * | 2003-05-30 | 2009-09-01 | Mitsubishi Electric Corporation | OFDM signal receiver device and OFDM signal receiving method |
US8284877B2 (en) * | 2007-03-12 | 2012-10-09 | John W. Bogdan | Noise filtering inverse transformation |
US7254204B2 (en) * | 2003-08-05 | 2007-08-07 | Afa Technologies, Inc. | Method and system for OFDM symbol timing synchronization |
US6942272B2 (en) * | 2003-08-29 | 2005-09-13 | Thomas John Livingston | Tailgate step |
WO2005047923A2 (en) * | 2003-09-02 | 2005-05-26 | Sirf Technology, Inc. | Signal processing system for satellite positioning signals |
US7433435B2 (en) * | 2003-10-22 | 2008-10-07 | Sasken Communication Technologies Limited | Apparatus, methods, systems, and articles incorporating a clock correction technique |
KR100601939B1 (ko) * | 2004-01-16 | 2006-07-14 | 삼성전자주식회사 | Ofdm 시스템에서의 초기 주파수 동기 방법 및 장치 |
US7433395B2 (en) * | 2004-02-04 | 2008-10-07 | 2Wire, Inc. | Reliable multicarrier communication in the presence of timing phase error |
US7421015B2 (en) * | 2004-02-26 | 2008-09-02 | 2Wire, Inc. | Bit-loading in multicarrier communication systems in the presence of an asymmetric, correlated gaussian noise sources |
US8311152B1 (en) | 2004-02-27 | 2012-11-13 | Marvell International Ltd. | Adaptive OFDM receiver based on carrier frequency offset |
US7515657B1 (en) * | 2004-03-05 | 2009-04-07 | Marvell International Ltd. | Frequency tracking for OFDM transmission over frequency selective channels |
DE112005003895B4 (de) * | 2004-04-07 | 2024-08-22 | Symeo Gmbh | Verfahren zur Synchronisation von Takteinrichtungen |
US7773665B2 (en) * | 2004-05-12 | 2010-08-10 | Electronics And Telecommunications Research Institute | Apparatus and method for corresponding frequency synchronization in on-channel repeater |
US7751501B2 (en) * | 2004-05-19 | 2010-07-06 | Infineon Technologies Ag | Tracking system |
US7539255B2 (en) * | 2004-06-23 | 2009-05-26 | Texas Insturments Incorporated | Using multiple pilot signals for timing error estimation in digital subscriber line communications |
US7672383B2 (en) * | 2004-09-17 | 2010-03-02 | Qualcomm Incorporated | Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
US8194722B2 (en) | 2004-10-11 | 2012-06-05 | Broadcom Corporation | Various methods and apparatuses for impulse noise mitigation |
US7953163B2 (en) | 2004-11-30 | 2011-05-31 | Broadcom Corporation | Block linear equalization in a multicarrier communication system |
US7852950B2 (en) | 2005-02-25 | 2010-12-14 | Broadcom Corporation | Methods and apparatuses for canceling correlated noise in a multi-carrier communication system |
US9374257B2 (en) | 2005-03-18 | 2016-06-21 | Broadcom Corporation | Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems |
US7587016B2 (en) * | 2005-07-20 | 2009-09-08 | Broadcom Corporation | MIMO timing recovery |
US7522687B2 (en) * | 2005-08-29 | 2009-04-21 | International Business Machines Corporation | Clock and data recovery system and method for clock and data recovery based on a forward error correction |
US7813439B2 (en) | 2006-02-06 | 2010-10-12 | Broadcom Corporation | Various methods and apparatuses for impulse noise detection |
US8077786B2 (en) * | 2007-04-06 | 2011-12-13 | Olympus Corporation | Methods and systems for detecting a narrow-band interferer |
US8605837B2 (en) | 2008-10-10 | 2013-12-10 | Broadcom Corporation | Adaptive frequency-domain reference noise canceller for multicarrier communications systems |
EP2443746A4 (de) * | 2009-06-15 | 2017-03-08 | Ikanos Communications, Inc. | Verfahren und vorrichtung zur taktwiederherstellung in xdsl-sende-empfängern |
EP2330784B1 (de) * | 2009-11-27 | 2015-09-09 | STMicroelectronics S.r.l. | Verfahren zum Schätzen der Übertragungskanalimpulsantwort und des in einen empfangenen OFDM-Datenpaketstrom eingeführten Unterschiedes der Synchronisierungsversätze, und entsprechender Empfänger |
US8451956B2 (en) * | 2009-12-30 | 2013-05-28 | Mitsubishi Electric Research Laboratories, Inc. | SNR-based blanking scheme for impulsive noise mitigation in wireless networks |
US8750444B2 (en) | 2011-05-06 | 2014-06-10 | Northrop Grumman Systems Corporation | Snapshot processing of timing data |
RU2583228C1 (ru) * | 2014-12-15 | 2016-05-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" | Способ нанесения износостойких покрытий на основе диборида титана и никеля на стальные поверхности |
CN117318871B (zh) * | 2023-11-29 | 2024-02-27 | 四川蜀能电科能源技术有限公司 | 一种电力监控系统时间保护方法、设备和介质 |
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EP1221794A1 (de) * | 2001-01-05 | 2002-07-10 | Alcatel | Verfahren und Vorrichtung zur Bestimmung eines Taktfehlers in einem Mehrträgerübertragungssystem |
US20030063678A1 (en) * | 2001-08-21 | 2003-04-03 | Crawford James A. | OFDM pilot tone tracking to reduce performance loss due to frequency pulling and pushing |
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-
1997
- 1997-09-22 DE DE69707872T patent/DE69707872T2/de not_active Expired - Lifetime
- 1997-09-22 ES ES97402201T patent/ES2164313T3/es not_active Expired - Lifetime
- 1997-09-22 EP EP97402201A patent/EP0903897B1/de not_active Expired - Lifetime
- 1997-09-22 AT AT97402201T patent/ATE208110T1/de not_active IP Right Cessation
-
1998
- 1998-07-13 IL IL12533398A patent/IL125333A/en not_active IP Right Cessation
- 1998-09-11 AU AU84187/98A patent/AU743588B2/en not_active Expired
- 1998-09-18 JP JP26518198A patent/JP4188466B2/ja not_active Expired - Lifetime
- 1998-09-22 US US09/158,596 patent/US6628738B1/en not_active Expired - Lifetime
-
2003
- 2003-08-13 US US10/640,333 patent/US20040156441A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2164313T3 (es) | 2002-02-16 |
ATE208110T1 (de) | 2001-11-15 |
DE69707872T2 (de) | 2002-04-25 |
US20040156441A1 (en) | 2004-08-12 |
JP4188466B2 (ja) | 2008-11-26 |
EP0903897A1 (de) | 1999-03-24 |
AU743588B2 (en) | 2002-01-31 |
IL125333A (en) | 2002-02-10 |
US6628738B1 (en) | 2003-09-30 |
JPH11163816A (ja) | 1999-06-18 |
AU8418798A (en) | 1999-04-01 |
EP0903897B1 (de) | 2001-10-31 |
IL125333A0 (en) | 1999-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |