DE602004028180D1 - Vorrichtung und Verfahren zur Rückgewinnung eines Referenztakts - Google Patents

Vorrichtung und Verfahren zur Rückgewinnung eines Referenztakts

Info

Publication number
DE602004028180D1
DE602004028180D1 DE602004028180T DE602004028180T DE602004028180D1 DE 602004028180 D1 DE602004028180 D1 DE 602004028180D1 DE 602004028180 T DE602004028180 T DE 602004028180T DE 602004028180 T DE602004028180 T DE 602004028180T DE 602004028180 D1 DE602004028180 D1 DE 602004028180D1
Authority
DE
Germany
Prior art keywords
unit
frequency difference
digital
converting
difference detecting
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
DE602004028180T
Other languages
English (en)
Inventor
Byoung-Hak Kim
Ho-Jin Lee
Ho-Kyom Kim
Deock-Gil Oh
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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 Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of DE602004028180D1 publication Critical patent/DE602004028180D1/de
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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Signal Processing For Recording (AREA)
DE602004028180T 2003-12-27 2004-12-27 Vorrichtung und Verfahren zur Rückgewinnung eines Referenztakts Active DE602004028180D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2003-0098302A KR100527849B1 (ko) 2003-12-27 2003-12-27 레퍼런스 클럭 복원 장치 및 그 방법

Publications (1)

Publication Number Publication Date
DE602004028180D1 true DE602004028180D1 (de) 2010-08-26

Family

ID=34545923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028180T Active DE602004028180D1 (de) 2003-12-27 2004-12-27 Vorrichtung und Verfahren zur Rückgewinnung eines Referenztakts

Country Status (4)

Country Link
EP (2) EP1914915B1 (de)
KR (1) KR100527849B1 (de)
AT (1) ATE474389T1 (de)
DE (1) DE602004028180D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100740872B1 (ko) * 2005-11-11 2007-07-19 한국전자통신연구원 안정적인 망동기를 유지하기 위한 단말국의 망동기 획득장치 및 그 방법과 그를 이용한 양방향 위성통신 시스템
US7573326B2 (en) 2005-12-30 2009-08-11 Intel Corporation Forwarded clock filtering
US20080219390A1 (en) * 2007-02-09 2008-09-11 Simpson Richard D Receiver Circuit
KR101419892B1 (ko) 2007-12-07 2014-07-16 삼성전자주식회사 수신기 및 이를 포함하는 통신 시스템
KR100948692B1 (ko) * 2008-09-23 2010-03-18 한국전자통신연구원 전송 프레임의 기준 시간 정보 복원 방법 및 장치, 데이터 수신 장치
CN107708145B (zh) * 2017-07-17 2020-12-15 深圳市锐能微科技有限公司 一种同步检测的方法及同步检测设备
CN110493864B (zh) * 2019-07-30 2020-07-10 北京大学 一种基于时钟导引同步条件下的准同步码分多址方法
CN114339348B (zh) * 2021-11-23 2024-02-06 伟乐视讯科技股份有限公司 一种基于频差检测和补偿的pcr校正方法和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4407007B2 (ja) * 2000-05-02 2010-02-03 ソニー株式会社 データ送信装置及び方法
US20030066094A1 (en) * 2001-09-29 2003-04-03 Koninklijke Philips Electronics N.V. Robust method for recovering a program time base in MPEG-2 transport streams and achieving audio/video sychronization
JP3900413B2 (ja) * 2002-02-14 2007-04-04 Ｋｄｄｉ株式会社 映像情報伝送方式およびプログラム

Also Published As

Publication number Publication date
EP1548963A2 (de) 2005-06-29
EP1914915B1 (de) 2010-07-14
EP1914915A1 (de) 2008-04-23
EP1548963A3 (de) 2006-06-21
ATE474389T1 (de) 2010-07-15
KR20050066820A (ko) 2005-06-30
KR100527849B1 (ko) 2005-11-15

Similar Documents

Publication Publication Date Title
US8370677B2 (en) Method and system for using logical values to represent sequence of oscillation periods of a modulated clock signal in time synchronized measurement system
EP0703713A3 (de) Datenpakete-Empfänger
ATE347758T1 (de) Signal zur synchronisation von feststationen
DE602004028180D1 (de) Vorrichtung und Verfahren zur Rückgewinnung eines Referenztakts
WO2006007292A3 (en) Frequency-hopped ifdma communication system
DE602004006957D1 (de) Verfahren und schaltung zur einstellung der referenzoszillatorfrequenz in einem mobilen drahtlosen gerät
TW200618505A (en) Method and apparatus for automatic frequency correction
WO2002039586A3 (en) Method and system for synchronizing an output signal to a data signal
CN101630142B (zh) 时刻信息取得装置以及电波表
ATE373900T1 (de) Vorrichtung zur doppler-korrektur in einem drahtlosen kommunikationssystem
EP1395072A4 (de) Funkkommunikationsvorrichtung und ihr empfangszeitsteuerungs schätzverfahren
EP1422712A3 (de) Aufzeichnungs-/Wiedergabeverfahren und Aufzeichnungs-/Wiedergabevorrichtung
EP1239627A3 (de) Schaltung zur Daten-und Taktrückgewinnung
DE60224190D1 (de) Sendeverfahren und Sender für ein Ultrabreitband- Telekommunikationssystem
ATE549812T1 (de) Taktrückgewinnungseinrichtung und verfahren zum taktrückgewinnen
HK1083677A1 (en) System and apparatus for encoding using different waveforms
DE60221790D1 (de) Verfahren und vorrichtung zur effizienten und genauen filterung und interpolation
ATE363781T1 (de) Vorrichtung und verfahren zu einer augenmustermessung von einem digitalen signal
JP2010164417A (ja) 時刻情報取得装置、および、電波時計
EP1313254A3 (de) Verfahren , Einheit und Vorrichtung zur Datenübertragung
ATE311051T1 (de) Vorrichtung und verfahren zur schätzung des taktfehlers in einem digitalen empfänger mittels trainingssequenzen
JPH1082874A (ja) パルス検出回路および電波修正時計
DE60007930D1 (de) Verfahren und vorrichtung zur synchronisation eines kommunikationsempfängers
JP5083384B2 (ja) 時刻データ受信装置、及び、電波時計
TW200608715A (en) Method for improving sensitivity of a RF receiver and its apparatus