DE69727264D1 - Verfahren zur Frequenzkorrektur von Mehrträgersignalen und zugehörige Vorrichtung - Google Patents
Verfahren zur Frequenzkorrektur von Mehrträgersignalen und zugehörige VorrichtungInfo
- Publication number
- DE69727264D1 DE69727264D1 DE69727264T DE69727264T DE69727264D1 DE 69727264 D1 DE69727264 D1 DE 69727264D1 DE 69727264 T DE69727264 T DE 69727264T DE 69727264 T DE69727264 T DE 69727264T DE 69727264 D1 DE69727264 D1 DE 69727264D1
- Authority
- DE
- Germany
- Prior art keywords
- carrier signals
- frequency correction
- associated device
- correction
- frequency
- 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
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
- H04L27/2657—Carrier synchronisation
- H04L27/2659—Coarse or integer frequency offset determination and 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
- H04L27/266—Fine or fractional frequency offset determination and synchronisation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuits Of Receivers In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96110862 | 1996-07-05 | ||
EP96110862A EP0822682A1 (de) | 1996-07-05 | 1996-07-05 | Verfahren zum Korrigieren der Frequenz von Mehrträgersignalen und zugehörige Vorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69727264D1 true DE69727264D1 (de) | 2004-02-26 |
DE69727264T2 DE69727264T2 (de) | 2004-07-08 |
Family
ID=8222976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69727264T Expired - Lifetime DE69727264T2 (de) | 1996-07-05 | 1997-06-23 | Verfahren zur Frequenzkorrektur von Mehrträgersignalen und zugehörige Vorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5970397A (de) |
EP (1) | EP0822682A1 (de) |
JP (1) | JP4198212B2 (de) |
CN (1) | CN1097884C (de) |
DE (1) | DE69727264T2 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3485117B2 (ja) * | 1993-09-10 | 2004-01-13 | ドイチェ トムソン−ブラント ゲーエムベーハー | Ofdm方式の基準信号の伝送方法 |
KR100221336B1 (ko) * | 1996-12-28 | 1999-09-15 | 전주범 | 직교 주파수 분할 다중화 수신 시스템의 프레임 동기 장치 및 그 방법 |
JPH10303851A (ja) * | 1997-04-25 | 1998-11-13 | Mitsubishi Electric Corp | デジタル放送受信機 |
GB2325129B (en) * | 1997-05-02 | 2002-06-19 | Lsi Logic Corp | Demodulating digital video broadcast signals |
CN1120602C (zh) * | 1998-04-14 | 2003-09-03 | 弗兰霍菲尔运输应用研究公司 | 多载波解调系统中精细频率同步化的方法及装置 |
KR100493269B1 (ko) * | 1998-06-05 | 2005-09-07 | 엘지전자 주식회사 | 디지털티브이의자동주파수제어장치 |
JP3090138B2 (ja) * | 1999-02-04 | 2000-09-18 | 日本電気株式会社 | 受信機 |
JP3399400B2 (ja) | 1999-04-15 | 2003-04-21 | 日本電気株式会社 | 周波数偏移復調回路 |
US6546056B1 (en) * | 1999-05-28 | 2003-04-08 | 3Com Corporation | Timing recovery in a multi-tone modem |
US6807241B1 (en) * | 1999-09-15 | 2004-10-19 | Lucent Technologies Inc. | Method and apparatus for partial and course frequency offset estimation in a digital audio broadcasting (DAB) system |
CN1819537A (zh) * | 1999-10-22 | 2006-08-16 | 耐克斯特奈特无线公司 | 利用具有内部天线的cpe的固定ofdm无线大城市区通信网 |
EP1148659B1 (de) * | 2000-04-18 | 2005-07-27 | Sony International (Europe) GmbH | OFDM Diversity-Übertragung |
US6947748B2 (en) * | 2000-12-15 | 2005-09-20 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US6549561B2 (en) * | 2001-02-21 | 2003-04-15 | Magis Networks, Inc. | OFDM pilot tone tracking for wireless LAN |
WO2002069515A1 (en) * | 2001-02-21 | 2002-09-06 | Magis Networks, Inc. | Ofdm pilot tone tracking for wireless lan |
US6633616B2 (en) | 2001-02-21 | 2003-10-14 | Magis Networks, Inc. | OFDM pilot tone tracking for wireless LAN |
US6549583B2 (en) * | 2001-02-21 | 2003-04-15 | Magis Networks, Inc. | Optimum phase error metric for OFDM pilot tone tracking in wireless LAN |
US7079599B2 (en) * | 2001-02-28 | 2006-07-18 | Broadcom Corporation | Multi-mode quadrature amplitude modulation receiver for high rate wireless personal area networks |
US20020160737A1 (en) * | 2001-03-06 | 2002-10-31 | Magis Networks, Inc. | Method and apparatus for diversity antenna branch selection |
US6959050B2 (en) * | 2001-06-15 | 2005-10-25 | Motorola, Inc. | Method and apparatus for synchronizing an OFDM signal |
US7227835B2 (en) * | 2002-06-27 | 2007-06-05 | Thomson Licensing | Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (OFDM) receiver |
KR100542827B1 (ko) * | 2002-12-18 | 2006-01-20 | 한국전자통신연구원 | 변화량 예측에 의한 주파수 옵셋 보정 장치 및 그 방법 |
US7324612B2 (en) | 2003-02-21 | 2008-01-29 | Conexant, Inc. | Carrier tracking circuit and method including dual numerically controlled oscillators and feedforward phase correction coefficient |
CN100378463C (zh) * | 2003-03-19 | 2008-04-02 | 株式会社爱得万测试 | 一种检波装置和方法 |
US7333548B2 (en) * | 2003-11-10 | 2008-02-19 | Mediatek Inc. | Phase and frequency drift compensation in Orthogonal Frequency Division Multiplexing systems |
CN1330193C (zh) * | 2003-11-20 | 2007-08-01 | 中兴通讯股份有限公司 | 一种用于差分偏移四相键控解调器的位同步装置 |
CN1327623C (zh) * | 2003-12-03 | 2007-07-18 | 电子科技大学 | 多载波通信系统中相噪的逐符号探测和抑制方法 |
JP2008501275A (ja) * | 2004-05-28 | 2008-01-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ofdmシステムにおける信号処理方法及び信号プロセッサ |
JP4488855B2 (ja) * | 2004-09-27 | 2010-06-23 | パナソニック株式会社 | 半導体回路装置 |
US7675999B2 (en) * | 2006-03-16 | 2010-03-09 | Intel Corporation | Multicarrier receiver and method with phase noise reduced signal |
CN1917499B (zh) * | 2006-09-08 | 2012-05-16 | 清华大学 | 解决正交频分复用系统收发晶振存在偏差的方法 |
JP2012227848A (ja) * | 2011-04-22 | 2012-11-15 | Sony Corp | 受信装置、受信方法、プログラム、および受信システム |
US9391818B1 (en) * | 2015-09-17 | 2016-07-12 | National Instruments Corporation | Pilot sequence design for wireless communications |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2658017B1 (fr) * | 1990-02-06 | 1992-06-05 | France Etat | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et aide a l'acquisition de la commande automatique de frequence, et recepteur correspondant. |
US5159292A (en) * | 1992-02-25 | 1992-10-27 | Thomson Consumer Electronics, Inc. | Adaptive phase locked loop |
JPH0795174A (ja) * | 1993-09-27 | 1995-04-07 | Toshiba Corp | Ofdm信号復調装置 |
JP3041175B2 (ja) * | 1993-11-12 | 2000-05-15 | 株式会社東芝 | Ofdm同期復調回路 |
JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
SE514809C2 (sv) * | 1994-07-13 | 2001-04-30 | Hd Divine Ab | Metod och anordning för synkronisering av sändare och mottagare i digitalt system |
EP0817418B1 (de) * | 1996-07-05 | 2004-01-21 | Deutsche Thomson-Brandt Gmbh | Verfahren zur Frequenzkorrektur von Mehrträgersignalen und zugehörige Vorrichtung |
-
1996
- 1996-07-05 EP EP96110862A patent/EP0822682A1/de not_active Withdrawn
-
1997
- 1997-06-23 DE DE69727264T patent/DE69727264T2/de not_active Expired - Lifetime
- 1997-06-27 CN CN97113971A patent/CN1097884C/zh not_active Expired - Lifetime
- 1997-06-30 JP JP17436997A patent/JP4198212B2/ja not_active Expired - Lifetime
- 1997-06-30 US US08/885,223 patent/US5970397A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69727264T2 (de) | 2004-07-08 |
US5970397A (en) | 1999-10-19 |
CN1097884C (zh) | 2003-01-01 |
CN1171666A (zh) | 1998-01-28 |
EP0822682A1 (de) | 1998-02-04 |
JP4198212B2 (ja) | 2008-12-17 |
JPH1079718A (ja) | 1998-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition |