ZA200306893B - Method for the frequency and time synchronization of an OFDM receiver. - Google Patents
Method for the frequency and time synchronization of an OFDM receiver. Download PDFInfo
- Publication number
- ZA200306893B ZA200306893B ZA200306893A ZA200306893A ZA200306893B ZA 200306893 B ZA200306893 B ZA 200306893B ZA 200306893 A ZA200306893 A ZA 200306893A ZA 200306893 A ZA200306893 A ZA 200306893A ZA 200306893 B ZA200306893 B ZA 200306893B
- Authority
- ZA
- South Africa
- Prior art keywords
- frequency
- ofdm
- receiver
- ofdm signal
- determined
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000000969 carrier Substances 0.000 claims description 18
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 238000012935 Averaging Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims description 2
- 238000012417 linear regression Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 4
- 230000006870 function Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 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
- H04L27/2663—Coarse synchronisation, e.g. by correlation
-
- 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
- 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
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronizing For Television (AREA)
- Stereo-Broadcasting Methods (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10112773A DE10112773B4 (de) | 2001-03-16 | 2001-03-16 | Verfahren zur Frequenz- und Zeit-Synchronisation eines OFDM-Empfängers |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200306893B true ZA200306893B (en) | 2004-09-03 |
Family
ID=7677764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200306893A ZA200306893B (en) | 2001-03-16 | 2003-09-03 | Method for the frequency and time synchronization of an OFDM receiver. |
Country Status (13)
Country | Link |
---|---|
US (1) | US20050084023A1 (pt) |
EP (1) | EP1368945B1 (pt) |
CN (1) | CN1531808A (pt) |
AU (1) | AU2002247663B2 (pt) |
BR (1) | BR0208133A (pt) |
CZ (1) | CZ304589B6 (pt) |
DE (1) | DE10112773B4 (pt) |
ES (1) | ES2640744T3 (pt) |
IL (2) | IL157930A0 (pt) |
NO (1) | NO339435B1 (pt) |
PT (1) | PT1368945T (pt) |
WO (1) | WO2002076056A2 (pt) |
ZA (1) | ZA200306893B (pt) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10039902B4 (de) * | 2000-08-16 | 2011-04-28 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren zur Frequenz- und Zeit-Synchronisation eines Empfängers |
DE10249413B4 (de) * | 2002-10-23 | 2005-10-20 | Rohde & Schwarz | Verfahren zum Erfassen des Beginns eines aktiven Signalabschnitts |
CN1635725B (zh) * | 2003-12-31 | 2010-04-14 | 华为技术有限公司 | 一种正交频分复用系统中实现同步的方法 |
KR100587310B1 (ko) * | 2004-08-18 | 2006-06-08 | 엘지전자 주식회사 | 주파수 동기 장치 및 이를 적용한 dvb-h 수신 시스템 |
US7639749B2 (en) * | 2004-12-14 | 2009-12-29 | Ittiam Systems (P) Ltd. | System and method for improving the performance of OFDM systems |
KR100899749B1 (ko) * | 2005-01-13 | 2009-05-27 | 삼성전자주식회사 | 다중 입력 다중 출력 방식을 사용하는 직교 주파수 분할 다중 통신시스템에서 프리앰블 시퀀스 송수신 방법 |
KR101307323B1 (ko) | 2005-03-02 | 2013-09-10 | 로오데운트쉬바르츠게엠베하운트콤파니카게 | 동기 잔류측파대 프레임 슬라이싱을 이용한 atsc네트워크의 인핸스먼트 제공을 위한 장치, 그 시스템, 및그 방법 |
US7573965B2 (en) * | 2005-12-12 | 2009-08-11 | Sandbridge Technologies Inc. | Kalman filter for channel estimation in OFDM systems |
BRPI0807135B1 (pt) | 2007-02-01 | 2020-09-24 | Rohde & Schwarz Gmbh & Co. Kg | Aparelho e método para fazer uma estrutura de dados ser emitida em uma interface aérea de uma antena e meio legível por computador não transitório |
DE102008017290A1 (de) | 2007-12-11 | 2009-06-18 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bildung eines gemeinsamen Datenstroms insbesondere nach dem ATSC-Standard |
DE102007059959B4 (de) | 2007-12-12 | 2020-01-02 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Übertragung von Daten zwischen einer zentralen Rundfunkstation und mindestens einem Sender |
DE102008056703A1 (de) * | 2008-07-04 | 2010-01-07 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und System zur Zeitsynchronisierung zwischen einer Zentrale und mehreren Sendern |
US8355458B2 (en) | 2008-06-25 | 2013-01-15 | Rohde & Schwarz Gmbh & Co. Kg | Apparatus, systems, methods and computer program products for producing a single frequency network for ATSC mobile / handheld services |
DE102008059028B4 (de) | 2008-10-02 | 2021-12-02 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Verfahren und Vorrichtung zur Erzeugung eines Transportdatenstroms mit Bilddaten |
US8774069B2 (en) | 2008-11-06 | 2014-07-08 | Rohde & Schwarz Gmbh & Co. Kg | Method and system for synchronized mapping of data packets in an ATSC data stream |
CN101420411B (zh) * | 2008-12-05 | 2011-02-09 | 航天恒星科技有限公司 | 低信噪比载波快速捕获方法 |
US8982745B2 (en) | 2009-03-21 | 2015-03-17 | Rohde & Schwarz Gmbh & Co. Kg | Method for improving the data rate of mobile/handheld data and the quality of channel estimation in an ATSC-M/H transport data stream |
DE102009025219A1 (de) | 2009-04-07 | 2010-10-14 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur kontinuierlichen Anpassung von Kodierungsparametern an eine veränderliche Nutzdatenrate |
DE102009057363B4 (de) | 2009-10-16 | 2013-04-18 | Rohde & Schwarz Gmbh & Co. Kg | Verfahren und Vorrichtung zur effizienten Übertragung von überregional und regional auszustrahlenden Programm-und Servicedaten |
US8989021B2 (en) | 2011-01-20 | 2015-03-24 | Rohde & Schwarz Gmbh & Co. Kg | Universal broadband broadcasting |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9020170D0 (en) * | 1990-09-14 | 1990-10-24 | Indep Broadcasting Authority | Orthogonal frequency division multiplexing |
DE4319769C1 (de) * | 1993-06-15 | 1994-07-14 | Grundig Emv | Verfahren und Anordnung zur Einstellung der lokalen Oszillatoren eines Empfängers in einem Mehrkanalübertragungssystem |
SE9302453L (sv) * | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
JP2879016B2 (ja) * | 1996-08-23 | 1999-04-05 | 株式会社次世代デジタルテレビジョン放送システム研究所 | 可変周波数発振器 |
DE19638654A1 (de) * | 1996-09-20 | 1998-03-26 | Siemens Ag | Verfahren zur digitalen Nachrichtenübertragung |
JP3549361B2 (ja) * | 1997-05-13 | 2004-08-04 | 三菱電機株式会社 | ディジタル音声放送受信機 |
US6058101A (en) * | 1997-06-11 | 2000-05-02 | Industrial Technology Research Institute | Synchronization method and system for a digital receiver |
US5867478A (en) * | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
US6151295A (en) * | 1998-02-26 | 2000-11-21 | Wavesat Telecom Inc. | OFDM receiving system |
US6111919A (en) * | 1999-01-20 | 2000-08-29 | Intellon Corporation | Synchronization of OFDM signals |
DE19903367A1 (de) * | 1999-01-28 | 2000-08-17 | Siemens Ag | Verfahren zum Synchronisieren von Sender und Empfänger bei einer Datenübertragung mit einem Mehrträgerfrequenzverfahren über Energieversorgungsleitungen |
JP3090138B2 (ja) * | 1999-02-04 | 2000-09-18 | 日本電気株式会社 | 受信機 |
KR100335443B1 (ko) * | 1999-06-15 | 2002-05-04 | 윤종용 | 직교주파수분할다중변조 신호의 심볼 타이밍 및 주파수 동기 장치 및 방법 |
KR100362571B1 (ko) * | 1999-07-05 | 2002-11-27 | 삼성전자 주식회사 | 직교주파수분할다중 시스템에서 파일럿 심볼을 이용한 주파수 오류 보상장치 및 방법 |
-
2001
- 2001-03-16 DE DE10112773A patent/DE10112773B4/de not_active Expired - Fee Related
-
2002
- 2002-01-29 IL IL15793002A patent/IL157930A0/xx unknown
- 2002-01-29 CN CNA028066073A patent/CN1531808A/zh active Pending
- 2002-01-29 EP EP02716696.6A patent/EP1368945B1/de not_active Expired - Lifetime
- 2002-01-29 AU AU2002247663A patent/AU2002247663B2/en not_active Ceased
- 2002-01-29 WO PCT/EP2002/000906 patent/WO2002076056A2/de not_active Application Discontinuation
- 2002-01-29 PT PT2716696T patent/PT1368945T/pt unknown
- 2002-01-29 BR BR0208133-4A patent/BR0208133A/pt not_active Application Discontinuation
- 2002-01-29 US US10/472,070 patent/US20050084023A1/en not_active Abandoned
- 2002-01-29 CZ CZ2003-2495A patent/CZ304589B6/cs not_active IP Right Cessation
- 2002-01-29 ES ES02716696.6T patent/ES2640744T3/es not_active Expired - Lifetime
-
2003
- 2003-09-03 ZA ZA200306893A patent/ZA200306893B/en unknown
- 2003-09-15 IL IL157930A patent/IL157930A/en unknown
- 2003-09-16 NO NO20034111A patent/NO339435B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IL157930A0 (en) | 2004-03-28 |
WO2002076056A3 (de) | 2003-01-09 |
CZ20032495A3 (en) | 2004-04-14 |
AU2002247663B2 (en) | 2007-01-04 |
PT1368945T (pt) | 2017-11-14 |
CN1531808A (zh) | 2004-09-22 |
DE10112773B4 (de) | 2012-09-20 |
ES2640744T3 (es) | 2017-11-06 |
EP1368945A2 (de) | 2003-12-10 |
BR0208133A (pt) | 2004-03-02 |
IL157930A (en) | 2009-08-03 |
WO2002076056A2 (de) | 2002-09-26 |
US20050084023A1 (en) | 2005-04-21 |
NO339435B1 (no) | 2016-12-12 |
NO20034111D0 (no) | 2003-09-16 |
NO20034111L (no) | 2003-11-17 |
EP1368945B1 (de) | 2017-08-02 |
CZ304589B6 (cs) | 2014-07-23 |
DE10112773A1 (de) | 2002-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2002247663B2 (en) | Method for the frequency and time synchronization of an OFDM receiver | |
EP0829988B1 (en) | Symbol synchronization and sampling frequency adjustment in an OFDM receiver | |
EP0683576B1 (en) | An OFDM digital broadcasting system, and a transmission system and a receiving system used for digital broadcasting | |
US5371761A (en) | Transmission system and receiver for this system | |
JP3654646B2 (ja) | 復調装置及び復調方法 | |
US7627049B2 (en) | Sampling frequency offset tracking method and OFDM system using the same | |
US6584164B1 (en) | Method for forming a training sequence | |
EP1875696B1 (en) | Doppler spread estimation for ofdm systems | |
CN100448184C (zh) | 正交频分多路复用系统的接收机 | |
KR19980703715A (ko) | 다중캐리어 변조 시스템의 결합 주파수 오프셋과 타이밍 추정을 위한 방법 및 그 장치 | |
KR100785473B1 (ko) | 멀티-밴드 ofdm 스킴에서 수신 신호의 주파수 옵셋을보상하는 수신기 및 방법 | |
WO1996002990A2 (en) | Method and device for synchronization of transmitter and receiver in a digital system | |
US7616723B2 (en) | Method for symbol timing synchronization and apparatus thereof | |
EP1335552A1 (en) | Channel estimation in multicarrier systems | |
KR102567581B1 (ko) | LoRa 개선 수신기 | |
JP2008211760A (ja) | 変調方式推定装置 | |
EP1441463A1 (en) | A method and device for carrier frequency synchronization | |
EP0895388B1 (en) | Symbol synchronisation and mode detection for multicarrier signals | |
EP1566906A1 (en) | Delay profile estimation device and correlator | |
US6603819B1 (en) | Radio symbol synchronization and doppler estimation techniques | |
GB2365714A (en) | Minimising effects of inter-symbol interference in receiver | |
EP1755300B1 (en) | Synchronisation in multicarrier receivers | |
JP3768108B2 (ja) | Ofdm受信装置 | |
EP4012933A1 (en) | Lora advanced receiver | |
CN111786920B (zh) | 一种多进制css信号解调方法及装置 |