JP4518355B2 - Ｈｄｔｖ受像機の復調器のための位相誤差算定方法 - Google Patents

Ｈｄｔｖ受像機の復調器のための位相誤差算定方法 Download PDF

Info

Publication number
JP4518355B2
JP4518355B2 JP2000317277A JP2000317277A JP4518355B2 JP 4518355 B2 JP4518355 B2 JP 4518355B2 JP 2000317277 A JP2000317277 A JP 2000317277A JP 2000317277 A JP2000317277 A JP 2000317277A JP 4518355 B2 JP4518355 B2 JP 4518355B2
Authority
JP
Japan
Prior art keywords
value
synchronization
segment
signal
received
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
Application number
JP2000317277A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001168931A5 (enExample
JP2001168931A (ja
Inventor
リール ブイレツト アーロン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2001168931A publication Critical patent/JP2001168931A/ja
Publication of JP2001168931A5 publication Critical patent/JP2001168931A5/ja
Application granted granted Critical
Publication of JP4518355B2 publication Critical patent/JP4518355B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
JP2000317277A 1999-10-26 2000-10-18 Ｈｄｔｖ受像機の復調器のための位相誤差算定方法 Expired - Fee Related JP4518355B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/427315 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 (3)

Publication Number Publication Date
JP2001168931A JP2001168931A (ja) 2001-06-22
JP2001168931A5 JP2001168931A5 (enExample) 2007-11-29
JP4518355B2 true JP4518355B2 (ja) 2010-08-04

Family

ID=23694335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000317277A Expired - Fee Related JP4518355B2 (ja) 1999-10-26 2000-10-18 Ｈｄｔｖ受像機の復調器のための位相誤差算定方法

Country Status (5)

Country Link
US (1) US6298100B1 (enExample)
JP (1) JP4518355B2 (enExample)
KR (1) KR100651049B1 (enExample)
CN (1) CN1172526C (enExample)
MX (1) MXPA00010470A (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
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
KR100442255B1 (ko) * 2002-02-27 2004-07-30 엘지전자 주식회사 채널 등화 장치
KR100407975B1 (ko) * 2002-02-27 2003-12-01 엘지전자 주식회사 반송파 복구 장치
KR100407976B1 (ko) * 2002-02-28 2003-12-01 엘지전자 주식회사 디지털 ｔｖ 수신기
CN100589537C (zh) * 2002-04-19 2010-02-10 汤姆森特许公司 电视接收机的频道获取方法和装置
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
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
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
KR100525002B1 (ko) 2004-01-19 2005-10-31 삼성전자주식회사 파일럿 신호가 왜곡된 채널 환경에서도 반송파를 복조하기위한 알고리즘 및 그 복조 장치
US7894333B2 (en) * 2004-03-22 2011-02-22 Thomson Licensing Method and apparatus for use in carrier recovery in a communications system
KR20070009687A (ko) * 2004-05-12 2007-01-18 톰슨 라이센싱 잔류 측파대 변조 시스템을 위한 복소 상관기
US20070171999A1 (en) * 2004-05-12 2007-07-26 Edde Gabriel A Carrier phase ambiguity correction via dc offset
KR100594296B1 (ko) * 2004-10-12 2006-06-30 삼성전자주식회사 디지털 텔레비전 수신 장치의 동기신호 검출기 및 그 방법
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
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
JP4902889B2 (ja) * 2007-09-26 2012-03-21 パナソニック株式会社 Ｖｓｂ復調装置及びテレビ受像機
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
KR100651049B1 (ko) 2006-11-28
MXPA00010470A (es) 2002-07-22
US6298100B1 (en) 2001-10-02
KR20010040073A (ko) 2001-05-15
CN1172526C (zh) 2004-10-20
CN1295402A (zh) 2001-05-16
JP2001168931A (ja) 2001-06-22

Similar Documents

Publication Publication Date Title
JP4651798B2 (ja) 復調方法および復調器
JP4518355B2 (ja) Ｈｄｔｖ受像機の復調器のための位相誤差算定方法
US6356598B1 (en) Demodulator for an HDTV receiver
JP3335873B2 (ja) ディジタル復調器及び方法
US6233295B1 (en) Segment sync recovery network for an HDTV receiver
JP3423547B2 (ja) 位相エラー補正方法及び位相トラッキングループ回路
JP2004526381A (ja) 位相トラッキング・システム
JP2001522203A (ja) Ｈｄｔｖ受信機用コ・チャネル干渉検出ネットワーク
JP4149662B2 (ja) Ｈｄｔｖチューナのリカバリネットワーク
JP4980528B2 (ja) 高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節
JP4149664B2 (ja) 高精細度テレビジョン残留側波帯（ｖｓｂ）受信機
US6985192B1 (en) Selective gain adjustment to aid carrier acquisition in a high definition television receiver
JP4149663B2 (ja) 受信ｈｄｔｖ信号のｄｃオフセットを削除するためのネットワーク
KR100508520B1 (ko) 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스 템에서 사용하기 위한 장치 및 방법
JPH09247571A (ja) 信号受信機
MXPA01004216A (en) Methods and compositions for the prevention of tolerance to medications
MXPA00004216A (en) Network for eliminating dc offset in a received hdtv signal

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20060725

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20060810

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20061115

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071016

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071016

RD05 Notification of revocation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7425

Effective date: 20080318

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080415

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100427

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100512

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100513

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130528

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140528

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees