KR100615538B1 - 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법 - Google Patents

수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법 Download PDF

Info

Publication number
KR100615538B1
KR100615538B1 KR1020007004428A KR20007004428A KR100615538B1 KR 100615538 B1 KR100615538 B1 KR 100615538B1 KR 1020007004428 A KR1020007004428 A KR 1020007004428A KR 20007004428 A KR20007004428 A KR 20007004428A KR 100615538 B1 KR100615538 B1 KR 100615538B1
Authority
KR
South Korea
Prior art keywords
reference pattern
symbol
signal
correlation reference
data
Prior art date
Application number
KR1020007004428A
Other languages
English (en)
Korean (ko)
Other versions
KR20010024559A (ko
Inventor
타이안준 왕
Original Assignee
톰슨 라이센싱
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
Priority claimed from GBGB9723052.8A external-priority patent/GB9723052D0/en
Priority claimed from US09/140,257 external-priority patent/US6233295B1/en
Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20010024559A publication Critical patent/KR20010024559A/ko
Application granted granted Critical
Publication of KR100615538B1 publication Critical patent/KR100615538B1/ko

Links

Images

Classifications

    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06Demodulator circuits; Receiver circuits
    • H04L27/066Carrier recovery circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/08Separation of synchronising signals from picture signals
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Synchronizing For Television (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
KR1020007004428A 1997-10-31 1998-10-15 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법 KR100615538B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9723052.8A GB9723052D0 (en) 1997-10-31 1997-10-31 High definition television vsb receiver
GB9723052.8 1997-10-31
US09/140,257 1998-08-26
US09/140,257 US6233295B1 (en) 1998-08-26 1998-08-26 Segment sync recovery network for an HDTV receiver

Publications (2)

Publication Number Publication Date
KR20010024559A KR20010024559A (ko) 2001-03-26
KR100615538B1 true KR100615538B1 (ko) 2006-08-25

Family

ID=26312530

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007004428A KR100615538B1 (ko) 1997-10-31 1998-10-15 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법

Country Status (6)

Country Link
JP (1) JP4149662B2 (ja)
KR (1) KR100615538B1 (ja)
CN (1) CN1130899C (ja)
AU (1) AU1271099A (ja)
HK (1) HK1035287A1 (ja)
WO (1) WO1999023815A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445423B1 (en) * 1999-07-09 2002-09-03 Thomson Licensing S.A. Controlled oscillator in a digital symbol timing recovery network
US6275554B1 (en) * 1999-07-09 2001-08-14 Thomson Licensing S.A. Digital symbol timing recovery network
US6298100B1 (en) * 1999-10-26 2001-10-02 Thomson Licensing S.A. Phase error estimation method for a demodulator in an HDTV receiver
US6707861B1 (en) * 1999-10-26 2004-03-16 Thomson Licensing S.A. Demodulator for an HDTV receiver
US7167215B2 (en) 2001-04-16 2007-01-23 Thomson Licensing Gain control for a high definition television demodulator
US7038733B2 (en) * 2002-01-30 2006-05-02 Ericsson Inc. Television receivers and methods for processing signal sample streams synchronously with line/frame patterns
CN100359843C (zh) * 2002-04-19 2008-01-02 汤姆森许可公司 符号定时搜索算法
KR100505669B1 (ko) * 2003-02-05 2005-08-03 삼성전자주식회사 디지털 텔레비전 수신 시스템의 복조 회로 및 복조 방법
KR20050008431A (ko) * 2003-07-15 2005-01-21 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송/수신 시스템 및 그의신호처리방법
JP2010518689A (ja) * 2007-02-02 2010-05-27 トムソン ライセンシング Sn比が低いatsc信号を検知する装置および方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416524A (en) * 1991-07-18 1995-05-16 Zenith Electronics Corp. Digital television synchronization system and method
KR960013655B1 (ko) * 1994-04-12 1996-10-10 엘지전자 주식회사 고선명 텔레비젼 수상기의 데이터 세그먼트 동기신호검출기
KR0169619B1 (ko) * 1995-06-09 1999-03-20 김광호 데이타 세그먼트 동기신호 발생 장치 및 방법
KR0143115B1 (ko) * 1995-06-09 1998-07-15 김광호 심볼 타이밍 복구회로 및 방법
KR0147661B1 (ko) * 1995-08-30 1998-09-15 김광호 데이타 세그먼트 동기 검출회로 및 그 방법

Also Published As

Publication number Publication date
KR20010024559A (ko) 2001-03-26
WO1999023815A1 (en) 1999-05-14
HK1035287A1 (en) 2001-11-16
CN1130899C (zh) 2003-12-10
CN1285992A (zh) 2001-02-28
AU1271099A (en) 1999-05-24
JP2001522202A (ja) 2001-11-13
JP4149662B2 (ja) 2008-09-10

Similar Documents

Publication Publication Date Title
US6233295B1 (en) Segment sync recovery network for an HDTV receiver
US6356598B1 (en) Demodulator for an HDTV receiver
US6697098B1 (en) Co-channel interference detection network for an HDTV receiver
KR100651050B1 (ko) 잔류 측파대 변조된 신호를 처리하기 위한 방법 및 장치
KR100651049B1 (ko) Hdtv 수신기의 복조기를 위한 위상 에러 추정 방법
US6275554B1 (en) Digital symbol timing recovery network
KR100564836B1 (ko) 수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법
KR100615538B1 (ko) 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법
KR100508520B1 (ko) 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스 템에서 사용하기 위한 장치 및 방법
KR100540675B1 (ko) 고화질 텔레비전 잔류 측파대 수신기 및 이러한 수신기에서의 사용 방법
EP1067785A2 (en) Controlled oscillator in a digital symbol timing recovery network
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
KR100720983B1 (ko) 파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치
MXPA00004216A (en) Network for eliminating dc offset in a received hdtv signal
MXPA00004217A (en) Co-channel interference detection network for an hdtv receiver
MXPA01004216A (en) Methods and compositions for the prevention of tolerance to medications

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120719

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20130722

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20140722

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20150717

Year of fee payment: 10

FPAY Annual fee payment

Payment date: 20160720

Year of fee payment: 11

FPAY Annual fee payment

Payment date: 20170719

Year of fee payment: 12

FPAY Annual fee payment

Payment date: 20180718

Year of fee payment: 13

EXPY Expiration of term