ATE208110T1 - Verfahren und vorrichtung zur bestimmung eines taktfehlers in einem mehrträgerübertragungssystem - Google Patents
Verfahren und vorrichtung zur bestimmung eines taktfehlers in einem mehrträgerübertragungssystemInfo
- Publication number
- ATE208110T1 ATE208110T1 AT97402201T AT97402201T ATE208110T1 AT E208110 T1 ATE208110 T1 AT E208110T1 AT 97402201 T AT97402201 T AT 97402201T AT 97402201 T AT97402201 T AT 97402201T AT E208110 T1 ATE208110 T1 AT E208110T1
- Authority
- AT
- Austria
- Prior art keywords
- phi
- tau
- transmission system
- clock timing
- timing error
- Prior art date
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 (1)
| Publication Number | Publication Date |
|---|---|
| ATE208110T1 true ATE208110T1 (de) | 2001-11-15 |
Family
ID=8229853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97402201T ATE208110T1 (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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2254300B1 (de) * | 1998-01-06 | 2013-05-15 | 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 |
| WO2000065756A1 (en) * | 1999-04-22 | 2000-11-02 | Nippon Telegraph And Telephone Corporation | Ofdm packet communication receiver |
| US6735255B1 (en) | 1999-05-28 | 2004-05-11 | 3Com Corporation | Correlation based method of determining frame boundaries of data frames that are periodically extended |
| US6785349B1 (en) | 1999-05-28 | 2004-08-31 | 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 |
| US6876699B1 (en) | 2000-08-29 | 2005-04-05 | Lucent Technologies Inc. | Filter circuit for a bit pump and method of configuring 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 |
| US6973146B1 (en) * | 2000-08-29 | 2005-12-06 | Lucent Technologies Inc. | Resampler for a bit pump and method of resampling a signal associated therewith |
| US6983047B1 (en) * | 2000-08-29 | 2006-01-03 | Lucent Technologies Inc. | Echo canceling system for a bit pump and method of operating 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 |
| 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 |
| 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 |
| US7103116B2 (en) * | 2001-09-24 | 2006-09-05 | Atheros Communications, Inc. | Detection of a false detection of a communication packet |
| 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 |
| WO2003096590A2 (en) * | 2002-05-06 | 2003-11-20 | 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 |
| CN1802831B (zh) * | 2003-03-28 | 2010-05-26 | 英特尔公司 | 用于ofdm信号的自适应相位补偿的方法和装置 |
| JP3662579B2 (ja) * | 2003-05-30 | 2005-06-22 | 三菱電機株式会社 | Ofdm信号受信装置及びofdm信号受信方法 |
| 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 |
| EP1680686A1 (de) * | 2003-09-02 | 2006-07-19 | Sirf Technology, Inc. | Signalverarbeitungssystem für satellitenpositionierungssignale |
| 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 |
| US7570722B1 (en) | 2004-02-27 | 2009-08-04 | Marvell International Ltd. | Carrier frequency offset estimation for OFDM systems |
| 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 |
| MXPA06013059A (es) * | 2004-05-12 | 2007-02-14 | Korea Electronics Telecomm | Aparato y metodo para sincronizacion de frecuencia correspondiente en un repetidor de canal activo. |
| 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 |
| WO2010147643A1 (en) | 2009-06-15 | 2010-12-23 | Ikanos Technology Ltd., A Cayman Limited Liability Co. | Method and apparatus for clock recovery in xdsl transceivers |
| US8416889B2 (en) * | 2009-11-27 | 2013-04-09 | Dora S.P.A. | Method of estimating transmission channel response and difference of synchronization offsets introduced in a received stream of packets of OFDM data and relative receiver |
| 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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| US4679227A (en) * | 1985-05-20 | 1987-07-07 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
| US5206886A (en) * | 1990-04-16 | 1993-04-27 | Telebit Corporation | Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modems |
| FR2670062B1 (fr) * | 1990-11-30 | 1993-11-12 | Thomson Csf | Procede de recalage des oscillateurs locaux d'un recepteur et dispositif pour la mise en óoeuvre du procede. |
| US5253270A (en) * | 1991-07-08 | 1993-10-12 | Hal Communications | Apparatus useful in radio communication of digital data using minimal bandwidth |
| US5321850A (en) * | 1991-10-09 | 1994-06-14 | Telefonaktiebolaget L M Ericsson | Diversity radio receiver automatic frequency control |
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| US5471508A (en) * | 1993-08-20 | 1995-11-28 | Hitachi America, Ltd. | Carrier recovery system using acquisition and tracking modes and automatic carrier-to-noise estimation |
| JP3041175B2 (ja) * | 1993-11-12 | 2000-05-15 | 株式会社東芝 | Ofdm同期復調回路 |
| KR100380644B1 (ko) * | 1994-06-02 | 2003-07-22 | 아매티 커뮤니케이션스 코포레이션 | 선택된원격유니트로부터중앙유니트로전송된프레임을동기화하는방법 |
| US5627863A (en) * | 1994-07-15 | 1997-05-06 | Amati Communications Corporation | Frame synchronization in multicarrier transmission systems |
| US5768323A (en) * | 1994-10-13 | 1998-06-16 | Westinghouse Electric Corporation | Symbol synchronizer using modified early/punctual/late gate technique |
| US5640431A (en) * | 1995-03-10 | 1997-06-17 | Motorola, Inc. | Method and apparatus for offset frequency estimation for a coherent receiver |
| US6125150A (en) * | 1995-10-30 | 2000-09-26 | The Board Of Trustees Of The Leland Stanford, Junior University | Transmission system using code designed for transmission with periodic interleaving |
| US5828710A (en) * | 1995-12-11 | 1998-10-27 | Delco Electronics Corporation | AFC frequency synchronization network |
| US5970093A (en) * | 1996-01-23 | 1999-10-19 | Tiernan Communications, Inc. | Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals |
| CA2183140C (en) * | 1996-08-12 | 2001-11-20 | Telecommunications Research Laboratories | Ofdm timing and frequency recovery system |
| US5818872A (en) * | 1996-12-31 | 1998-10-06 | Cirrus Logic, Inc. | Timing offset error extraction method and apparatus |
| JP3797397B2 (ja) * | 1997-05-02 | 2006-07-19 | ソニー株式会社 | 受信装置および受信方法 |
| JP4015750B2 (ja) * | 1998-05-14 | 2007-11-28 | 株式会社東芝 | アクティブアレイアンテナシステム |
| US20020065047A1 (en) * | 2000-11-30 | 2002-05-30 | Moose Paul H. | Synchronization, channel estimation and pilot tone tracking system |
| JP3576099B2 (ja) * | 2000-12-22 | 2004-10-13 | 株式会社東芝 | スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路 |
| 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 |
| US7260054B2 (en) * | 2002-05-30 | 2007-08-21 | Denso Corporation | SINR measurement method for OFDM communications systems |
-
1997
- 1997-09-22 AT AT97402201T patent/ATE208110T1/de not_active IP Right Cessation
- 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
-
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 |
|---|---|
| US6628738B1 (en) | 2003-09-30 |
| US20040156441A1 (en) | 2004-08-12 |
| DE69707872T2 (de) | 2002-04-25 |
| EP0903897B1 (de) | 2001-10-31 |
| IL125333A (en) | 2002-02-10 |
| ES2164313T3 (es) | 2002-02-16 |
| EP0903897A1 (de) | 1999-03-24 |
| DE69707872D1 (de) | 2001-12-06 |
| JP4188466B2 (ja) | 2008-11-26 |
| AU8418798A (en) | 1999-04-01 |
| AU743588B2 (en) | 2002-01-31 |
| JPH11163816A (ja) | 1999-06-18 |
| IL125333A0 (en) | 1999-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |