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 PDF

Info

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
Authority
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
Application number
JP2007513137A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007537661A5 (enExample
JP2007537661A (ja
Inventor
マークマン,イヴォンテ
エッデ,ゲイブリエル,アルフレッド
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 JP2007537661A publication Critical patent/JP2007537661A/ja
Publication of JP2007537661A5 publication Critical patent/JP2007537661A5/ja
Application granted granted Critical
Publication of JP4921360B2 publication Critical patent/JP4921360B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0054Detection of the synchronisation error by features other than the received signal transition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/015High-definition television systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211Ghost signal cancellation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455Demodulation-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)
JP2007513137A 2004-05-12 2005-03-29 シンボルタイミングの曖昧さ訂正 Expired - Fee Related JP4921360B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
US7602444B2 (en) Synchronization signal detection circuit and method of digital television (DTV) receiver
KR20070014165A (ko) 잡음 전력 추정치에 기반한 등화기 동기 검출기
KR101086175B1 (ko) Atsc-dtv 수신기에서의 듀얼-모드 등화기
JP4921360B2 (ja) シンボルタイミングの曖昧さ訂正
US7706483B2 (en) Carrier phase ambiguity correction
KR101129156B1 (ko) 반송파 위상 앰비규어티 보정
US20080043885A1 (en) Complex Correlator for a Vestigial Sideband Modulated System
US20080025449A1 (en) Dual Mode Sync Generator in an Atsc-Dtv Receiver
WO2009085030A1 (en) Apparatus and method for estimating carrier frequency error
KR20070019735A (ko) Atsc-dtv 수신기에서의 듀얼-모드 동기 발생기
CN1954570A (zh) 用于残留边带调制系统的复相关器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080305

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080305

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20101215

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110301

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: 20120117

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: 20120202

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: 20150210

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees