FR2877181B1 - Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur - Google Patents

Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur

Info

Publication number
FR2877181B1
FR2877181B1 FR0510328A FR0510328A FR2877181B1 FR 2877181 B1 FR2877181 B1 FR 2877181B1 FR 0510328 A FR0510328 A FR 0510328A FR 0510328 A FR0510328 A FR 0510328A FR 2877181 B1 FR2877181 B1 FR 2877181B1
Authority
FR
France
Prior art keywords
phase
offset
outputs
real
signal
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.)
Active
Application number
FR0510328A
Other languages
English (en)
Other versions
FR2877181A1 (fr
Inventor
Jonghwan Cheon
Minho Kim
Hyunbae Jeon
Sergey Zhidkov
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 KR1020040081349A external-priority patent/KR100594296B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2877181A1 publication Critical patent/FR2877181A1/fr
Application granted granted Critical
Publication of FR2877181B1 publication Critical patent/FR2877181B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • 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
    • 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • 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
    • 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
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H04L2027/0042—Correction of carrier offset using an equaliser the equaliser providing the offset correction per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Synchronizing For Television (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR0510328A 2004-10-12 2005-10-10 Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur Active FR2877181B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040081349A KR100594296B1 (ko) 2004-10-12 2004-10-12 디지털 텔레비전 수신 장치의 동기신호 검출기 및 그 방법
US11/184,330 US7480009B2 (en) 2004-10-12 2005-07-19 Synchronization signal detection in a digital television receiver

Publications (2)

Publication Number Publication Date
FR2877181A1 FR2877181A1 (fr) 2006-04-28
FR2877181B1 true FR2877181B1 (fr) 2014-05-30

Family

ID=36383551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0510328A Active FR2877181B1 (fr) 2004-10-12 2005-10-10 Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur

Country Status (2)

Country Link
JP (1) JP4970765B2 (fr)
FR (1) FR2877181B1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2843692B2 (ja) * 1991-07-26 1999-01-06 日本電気ホームエレクトロニクス株式会社 キャリア検出方法およびキャリア検出装置
JP4149664B2 (ja) * 1997-10-31 2008-09-10 トムソン ライセンシング 高精細度テレビジョン残留側波帯（ｖｓｂ）受信機
EP1197077B8 (fr) * 1999-07-16 2005-11-30 Thomson Licensing Reglage de gain selectif destine a favoriser l'acquisition de porteuse dans un recepteur de television haute definition
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
JP2001285144A (ja) * 2000-03-31 2001-10-12 Hitachi Kokusai Electric Inc 自動等化回路
EP1454487A1 (fr) * 2001-11-14 2004-09-08 Rosum Corporation Utilisation de signaux de televison numerique permettant d'obtenir des informations d'assistance de gps
KR100486269B1 (ko) * 2002-10-07 2005-04-29 삼성전자주식회사 고 선명 텔레비전의 반송파 복구 장치 및 방법.
EP1745586B1 (fr) * 2004-05-12 2010-01-20 Thomson Licensing S.A. Correction d'ambiguite de phase de porteuse

Also Published As

Publication number Publication date
JP4970765B2 (ja) 2012-07-11
FR2877181A1 (fr) 2006-04-28
JP2006115510A (ja) 2006-04-27

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