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 PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 14
- 230000004044 response Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 description 16
- 238000001514 detection method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal 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)
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 (xx) |
KR (1) | KR100615538B1 (xx) |
CN (1) | CN1130899C (xx) |
AU (1) | AU1271099A (xx) |
HK (1) | HK1035287A1 (xx) |
WO (1) | WO1999023815A1 (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6275554B1 (en) * | 1999-07-09 | 2001-08-14 | Thomson Licensing S.A. | Digital symbol timing recovery network |
US6445423B1 (en) * | 1999-07-09 | 2002-09-03 | Thomson Licensing S.A. | Controlled oscillator in a digital symbol timing recovery network |
US6707861B1 (en) * | 1999-10-26 | 2004-03-16 | Thomson Licensing S.A. | Demodulator for an HDTV receiver |
US6298100B1 (en) * | 1999-10-26 | 2001-10-02 | Thomson Licensing S.A. | Phase error estimation method for a demodulator in an HDTV receiver |
JP4373676B2 (ja) * | 2001-04-16 | 2009-11-25 | トムソン ライセンシング | 復調器 |
US7038733B2 (en) * | 2002-01-30 | 2006-05-02 | Ericsson Inc. | Television receivers and methods for processing signal sample streams synchronously with line/frame patterns |
JP4153436B2 (ja) * | 2002-04-19 | 2008-09-24 | トムソン ライセンシング | シンボルタイミング検索アルゴリズム |
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 |
KR20090115135A (ko) | 2007-02-02 | 2009-11-04 | 톰슨 라이센싱 | 프리 atsc 채널 검색을 위한 장치 및 방법 |
Family Cites Families (5)
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 |
KR0143115B1 (ko) * | 1995-06-09 | 1998-07-15 | 김광호 | 심볼 타이밍 복구회로 및 방법 |
KR0169619B1 (ko) * | 1995-06-09 | 1999-03-20 | 김광호 | 데이타 세그먼트 동기신호 발생 장치 및 방법 |
KR0147661B1 (ko) * | 1995-08-30 | 1998-09-15 | 김광호 | 데이타 세그먼트 동기 검출회로 및 그 방법 |
-
1998
- 1998-10-15 AU AU12710/99A patent/AU1271099A/en not_active Abandoned
- 1998-10-15 KR KR1020007004428A patent/KR100615538B1/ko not_active IP Right Cessation
- 1998-10-15 WO PCT/US1998/021994 patent/WO1999023815A1/en active IP Right Grant
- 1998-10-15 JP JP2000519548A patent/JP4149662B2/ja not_active Expired - Lifetime
- 1998-10-15 CN CN98812865A patent/CN1130899C/zh not_active Expired - Lifetime
-
2001
- 2001-08-22 HK HK01105937A patent/HK1035287A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1130899C (zh) | 2003-12-10 |
WO1999023815A1 (en) | 1999-05-14 |
JP2001522202A (ja) | 2001-11-13 |
HK1035287A1 (en) | 2001-11-16 |
KR20010024559A (ko) | 2001-03-26 |
CN1285992A (zh) | 2001-02-28 |
JP4149662B2 (ja) | 2008-09-10 |
AU1271099A (en) | 1999-05-24 |
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 |