JP4921360B2 - シンボルタイミングの曖昧さ訂正 - Google Patents
シンボルタイミングの曖昧さ訂正 Download PDFInfo
- Publication number
- JP4921360B2 JP4921360B2 JP2007513137A JP2007513137A JP4921360B2 JP 4921360 B2 JP4921360 B2 JP 4921360B2 JP 2007513137 A JP2007513137 A JP 2007513137A JP 2007513137 A JP2007513137 A JP 2007513137A JP 4921360 B2 JP4921360 B2 JP 4921360B2
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- JP
- Japan
- Prior art keywords
- value
- signal
- peak
- centroid
- symbol
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012549 training Methods 0.000 description 3
- 210000003323 beak Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57029604P | 2004-05-12 | 2004-05-12 | |
| US57029704P | 2004-05-12 | 2004-05-12 | |
| US60/570,297 | 2004-05-12 | ||
| US60/570,296 | 2004-05-12 | ||
| PCT/US2005/010518 WO2005114891A1 (en) | 2004-05-12 | 2005-03-29 | Symbol timing ambiguity correction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007537661A JP2007537661A (ja) | 2007-12-20 |
| JP2007537661A5 JP2007537661A5 (enExample) | 2008-04-24 |
| JP4921360B2 true JP4921360B2 (ja) | 2012-04-25 |
Family
ID=34964265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007513137A Expired - Fee Related JP4921360B2 (ja) | 2004-05-12 | 2005-03-29 | シンボルタイミングの曖昧さ訂正 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7706489B2 (enExample) |
| EP (1) | EP1745585B1 (enExample) |
| JP (1) | JP4921360B2 (enExample) |
| KR (1) | KR101100342B1 (enExample) |
| CN (1) | CN1954536B (enExample) |
| DE (1) | DE602005019558D1 (enExample) |
| MY (1) | MY141691A (enExample) |
| WO (1) | WO2005114891A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7706483B2 (en) * | 2004-05-12 | 2010-04-27 | Thomson Licensing | Carrier phase ambiguity correction |
| TWI255100B (en) * | 2004-09-17 | 2006-05-11 | Via Tech Inc | Method and apparatus for channel impulse response estimation in GSM systems |
| US8781050B2 (en) | 2009-12-17 | 2014-07-15 | Electronics And Telecommunications Research Institute | Method and apparatus for estimating symbol timing |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6272241A (ja) * | 1985-09-25 | 1987-04-02 | Mitsubishi Electric Corp | フレ−ム同期装置 |
| JP2801782B2 (ja) * | 1990-02-07 | 1998-09-21 | 三菱電機株式会社 | フレーム位相推定方法及び回路 |
| KR960020485A (ko) * | 1994-11-14 | 1996-06-17 | 이헌조 | 에이치디티브이(hdtv) 수신장치 |
| KR0143115B1 (ko) * | 1995-06-09 | 1998-07-15 | 김광호 | 심볼 타이밍 복구회로 및 방법 |
| ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
| EP0772332A3 (en) | 1995-11-02 | 2000-10-11 | British Broadcasting Corporation | Synchronisation of OFDM signals |
| KR100252987B1 (ko) * | 1998-03-12 | 2000-04-15 | 구자홍 | 디지탈 텔레비젼 수신기 |
| JP3619384B2 (ja) * | 1999-03-01 | 2005-02-09 | 株式会社日立国際電気 | シンボルタイミング検出方法 |
| US6795510B2 (en) * | 2002-04-12 | 2004-09-21 | Thomson Licensing S.A. | Apparatus and method for symbol timing recovery |
| EP1668903A4 (en) * | 2003-09-12 | 2011-01-05 | Nielsen Media Res Inc | DEVICES AND METHOD FOR DIGITAL VIDEO SIGNATURES FOR USE WITH VIDEO PROGRAM IDENTIFICATION SYSTEMS |
-
2005
- 2005-03-29 EP EP05730214A patent/EP1745585B1/en not_active Expired - Lifetime
- 2005-03-29 DE DE602005019558T patent/DE602005019558D1/de not_active Expired - Lifetime
- 2005-03-29 JP JP2007513137A patent/JP4921360B2/ja not_active Expired - Fee Related
- 2005-03-29 KR KR1020067023526A patent/KR101100342B1/ko not_active Expired - Fee Related
- 2005-03-29 US US11/579,845 patent/US7706489B2/en not_active Expired - Fee Related
- 2005-03-29 WO PCT/US2005/010518 patent/WO2005114891A1/en not_active Ceased
- 2005-03-29 CN CN2005800153345A patent/CN1954536B/zh not_active Expired - Fee Related
- 2005-05-10 MY MYPI20052090A patent/MY141691A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070014168A (ko) | 2007-01-31 |
| CN1954536A (zh) | 2007-04-25 |
| DE602005019558D1 (de) | 2010-04-08 |
| US7706489B2 (en) | 2010-04-27 |
| CN1954536B (zh) | 2011-05-18 |
| JP2007537661A (ja) | 2007-12-20 |
| WO2005114891A1 (en) | 2005-12-01 |
| US20070229713A1 (en) | 2007-10-04 |
| MY141691A (en) | 2010-06-15 |
| EP1745585B1 (en) | 2010-02-24 |
| KR101100342B1 (ko) | 2011-12-30 |
| EP1745585A1 (en) | 2007-01-24 |
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| JP4921360B2 (ja) | シンボルタイミングの曖昧さ訂正 | |
| US7706483B2 (en) | Carrier phase ambiguity correction | |
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