CN1172526C - 用于高清晰度电视接收机中的解调器的相位误差估计方法 - Google Patents
用于高清晰度电视接收机中的解调器的相位误差估计方法 Download PDFInfo
- Publication number
- CN1172526C CN1172526C CNB001316745A CN00131674A CN1172526C CN 1172526 C CN1172526 C CN 1172526C CN B001316745 A CNB001316745 A CN B001316745A CN 00131674 A CN00131674 A CN 00131674A CN 1172526 C CN1172526 C CN 1172526C
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- 238000000034 method Methods 0.000 title claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005314 correlation function Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 16
- 238000012545 processing Methods 0.000 abstract description 6
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- FVEYIFISRORTDD-ROUUACIJSA-N 2-(4-phenoxyphenoxy)-6-[(1S,4S)-5-prop-2-enoyl-2,5-diazabicyclo[2.2.1]heptan-2-yl]pyridine-3-carboxamide Chemical compound C(C=C)(=O)N1[C@@H]2CN([C@H](C1)C2)C1=NC(=C(C(=O)N)C=C1)OC1=CC=C(C=C1)OC1=CC=CC=C1 FVEYIFISRORTDD-ROUUACIJSA-N 0.000 description 1
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Images
Classifications
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
- H04L27/066—Carrier recovery circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0036—Correction of carrier offset using a recovered symbol clock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0067—Phase error detectors
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/427,315 | 1999-10-26 | ||
| US09/427,315 US6298100B1 (en) | 1999-10-26 | 1999-10-26 | Phase error estimation method for a demodulator in an HDTV receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1295402A CN1295402A (zh) | 2001-05-16 |
| CN1172526C true CN1172526C (zh) | 2004-10-20 |
Family
ID=23694335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001316745A Expired - Fee Related CN1172526C (zh) | 1999-10-26 | 2000-10-19 | 用于高清晰度电视接收机中的解调器的相位误差估计方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6298100B1 (https=) |
| JP (1) | JP4518355B2 (https=) |
| KR (1) | KR100651049B1 (https=) |
| CN (1) | CN1172526C (https=) |
| MX (1) | MXPA00010470A (https=) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100258931B1 (ko) * | 1997-06-17 | 2000-06-15 | 윤종용 | 수신신호 판별회로 및 그 방법 |
| US6707861B1 (en) * | 1999-10-26 | 2004-03-16 | Thomson Licensing S.A. | Demodulator for an HDTV receiver |
| US6636571B1 (en) * | 1999-12-20 | 2003-10-21 | Texas Instruments Incorporated | Automatic frequency control system with improved argument approximation |
| US6879647B1 (en) * | 2000-09-29 | 2005-04-12 | Northrop Grumman Corporation | Radio receiver AM-MSK processing techniques |
| US6993445B2 (en) * | 2001-01-16 | 2006-01-31 | Invensys Systems, Inc. | Vortex flowmeter |
| KR100398884B1 (ko) * | 2001-11-01 | 2003-09-19 | 삼성전자주식회사 | 다중 전송 경로를 통해 전송된 방송신호의 복원시발생하는 위상에러를 보상할 수 있는 디지털방송 수신기의에러복원장치 |
| KR100407975B1 (ko) * | 2002-02-27 | 2003-12-01 | 엘지전자 주식회사 | 반송파 복구 장치 |
| KR100442255B1 (ko) * | 2002-02-27 | 2004-07-30 | 엘지전자 주식회사 | 채널 등화 장치 |
| KR100407976B1 (ko) * | 2002-02-28 | 2003-12-01 | 엘지전자 주식회사 | 디지털 tv 수신기 |
| EP1497977A4 (en) * | 2002-04-19 | 2008-07-02 | Thomson Licensing | CHANNEL TREATMENT PROCESSING FOR A TV RECEIVER |
| KR20040006309A (ko) * | 2002-07-11 | 2004-01-24 | 엘지전자 주식회사 | 디지털 tv 수신기에서의 vsb 복조 장치 |
| US7366265B2 (en) * | 2002-08-29 | 2008-04-29 | Thomson Licensing | System for detecting the characteristics of a time varying multipath component |
| KR100486269B1 (ko) * | 2002-10-07 | 2005-04-29 | 삼성전자주식회사 | 고 선명 텔레비전의 반송파 복구 장치 및 방법. |
| KR100510665B1 (ko) * | 2002-12-28 | 2005-08-31 | 엘지전자 주식회사 | 디지털 tv의 위상 오차 추적 장치 및 방법 |
| US7268825B2 (en) * | 2003-04-01 | 2007-09-11 | Thomson Licensing Llc | Digital synchronizing generator |
| CN100340109C (zh) * | 2003-09-26 | 2007-09-26 | 南京Lg新港显示有限公司 | 载波复原装置 |
| CN1317875C (zh) * | 2003-09-26 | 2007-05-23 | 南京Lg新港显示有限公司 | 载波复原装置 |
| KR100525002B1 (ko) | 2004-01-19 | 2005-10-31 | 삼성전자주식회사 | 파일럿 신호가 왜곡된 채널 환경에서도 반송파를 복조하기위한 알고리즘 및 그 복조 장치 |
| JP4541403B2 (ja) | 2004-03-22 | 2010-09-08 | トムソン ライセンシング | 通信システムにおける搬送波再生で使われる方法および装置 |
| JP2007537660A (ja) * | 2004-05-12 | 2007-12-20 | トムソン ライセンシング | 残留側波帯変調システムの複素相関器 |
| DE602005004533T2 (de) * | 2004-05-12 | 2009-01-15 | Thomson Licensing | Trägerphasen-mehrdeutigkeitskorrektur über gleichstromoffset |
| FR2877181B1 (fr) * | 2004-10-12 | 2014-05-30 | Samsung Electronics Co Ltd | Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur |
| KR100594296B1 (ko) * | 2004-10-12 | 2006-06-30 | 삼성전자주식회사 | 디지털 텔레비전 수신 장치의 동기신호 검출기 및 그 방법 |
| US7920602B2 (en) * | 2005-05-23 | 2011-04-05 | Samsung Electronics Co., Ltd. | Method for formatting digital broadcast transport stream packet for improved receiving performance, digital broadcast transmitter, and signal processing method thereof |
| US20100045873A1 (en) * | 2007-09-26 | 2010-02-25 | Panasonic Corporation | Vsb demodulating apparatus and television receiver |
| CN101742275B (zh) * | 2009-12-04 | 2012-09-26 | 北京创毅视讯科技有限公司 | 一种电视广播中多径衰落信道的估计方法和装置 |
| US8280330B2 (en) * | 2009-12-30 | 2012-10-02 | Quintic Holdings | Crystal-less clock generation for radio frequency receivers |
| US8611407B2 (en) * | 2011-11-01 | 2013-12-17 | Intel Corporation | Phase detection in digital communication receivers |
| WO2019098999A1 (en) * | 2017-11-15 | 2019-05-23 | Siemens Aktiengesellschaft | Pulse width modulation control for a multilevel converter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0470827B1 (en) * | 1990-08-08 | 1995-07-12 | Sharp Kabushiki Kaisha | Synchronizing signal selection circuit |
| JP3241098B2 (ja) * | 1992-06-12 | 2001-12-25 | 株式会社東芝 | 多方式対応の受信装置 |
| KR0124594B1 (ko) | 1994-04-12 | 1997-12-01 | 구자홍 | 고선명 텔레비젼 수상기의 복조시스템 |
| US5606579A (en) | 1994-05-23 | 1997-02-25 | Samsung Electronics Co., Ltd. | Digital VSB detector with final IF carrier at submultiple of symbol rate, as for HDTV receiver |
| KR0157531B1 (ko) * | 1995-07-14 | 1998-11-16 | 김광호 | 텔레비젼신호 수신기에서 디지탈 반송파 복구 장치 및 방법 |
| KR0147661B1 (ko) * | 1995-08-30 | 1998-09-15 | 김광호 | 데이타 세그먼트 동기 검출회로 및 그 방법 |
| JPH09261285A (ja) * | 1996-03-19 | 1997-10-03 | Pioneer Electron Corp | 多値vsb復調器 |
| KR100233658B1 (ko) | 1996-10-21 | 1999-12-01 | 윤종용 | 고선명 텔레비젼 수신기의 반송파 복구시간을 줄이는 방법 |
| WO1999023821A1 (en) | 1997-10-31 | 1999-05-14 | Thomson Licensing S.A. | Network for eliminating dc offset in a received hdtv signal |
| CN1130899C (zh) * | 1997-10-31 | 2003-12-10 | 汤姆森许可公司 | 处理含高清晰度视频数据残留边带调制信号的装置和方法 |
-
1999
- 1999-10-26 US US09/427,315 patent/US6298100B1/en not_active Expired - Lifetime
-
2000
- 2000-10-13 KR KR1020000060234A patent/KR100651049B1/ko not_active Expired - Fee Related
- 2000-10-18 JP JP2000317277A patent/JP4518355B2/ja not_active Expired - Fee Related
- 2000-10-19 CN CNB001316745A patent/CN1172526C/zh not_active Expired - Fee Related
- 2000-10-25 MX MXPA00010470A patent/MXPA00010470A/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR100651049B1 (ko) | 2006-11-28 |
| JP2001168931A (ja) | 2001-06-22 |
| KR20010040073A (ko) | 2001-05-15 |
| US6298100B1 (en) | 2001-10-02 |
| CN1295402A (zh) | 2001-05-16 |
| JP4518355B2 (ja) | 2010-08-04 |
| MXPA00010470A (es) | 2002-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041020 Termination date: 20171019 |