JP4714324B2 - ディジタルシンボルタイミング再生回路網 - Google Patents

ディジタルシンボルタイミング再生回路網 Download PDF

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Publication number
JP4714324B2
JP4714324B2 JP2000206679A JP2000206679A JP4714324B2 JP 4714324 B2 JP4714324 B2 JP 4714324B2 JP 2000206679 A JP2000206679 A JP 2000206679A JP 2000206679 A JP2000206679 A JP 2000206679A JP 4714324 B2 JP4714324 B2 JP 4714324B2
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Japan
Prior art keywords
signal
sync
oscillator
sync component
symbol
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Expired - Fee Related
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JP2000206679A
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English (en)
Japanese (ja)
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JP2001060898A5 (enExample
JP2001060898A (ja
Inventor
リール ブイエ アーロン
シドニー ステュアート ジョン
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Thomson Licensing SAS
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Thomson Licensing SAS
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
    • H04L7/044—Speed or phase control by synchronisation signals using special codes as synchronising signal using a single bit, e.g. start stop bit
    • 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
    • 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
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically

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  • 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Television Systems (AREA)
JP2000206679A 1999-07-09 2000-07-07 ディジタルシンボルタイミング再生回路網 Expired - Fee Related JP4714324B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/350,880 US6275554B1 (en) 1999-07-09 1999-07-09 Digital symbol timing recovery network
US350880 2003-01-24

Publications (3)

Publication Number Publication Date
JP2001060898A JP2001060898A (ja) 2001-03-06
JP2001060898A5 JP2001060898A5 (enExample) 2007-08-16
JP4714324B2 true JP4714324B2 (ja) 2011-06-29

Family

ID=23378591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000206679A Expired - Fee Related JP4714324B2 (ja) 1999-07-09 2000-07-07 ディジタルシンボルタイミング再生回路網

Country Status (8)

Country Link
US (1) US6275554B1 (enExample)
EP (1) EP1073274A3 (enExample)
JP (1) JP4714324B2 (enExample)
KR (1) KR100720324B1 (enExample)
CN (1) CN1166190C (enExample)
MX (1) MXPA00006724A (enExample)
MY (1) MY125524A (enExample)
SG (1) SG93872A1 (enExample)

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US6445423B1 (en) * 1999-07-09 2002-09-03 Thomson Licensing S.A. Controlled oscillator in a digital symbol timing recovery network
US6417890B1 (en) * 1999-10-21 2002-07-09 General Electric Company Modulation of pilot tone amplitude in DTV broadcast for faster channel acquisition
KR100464956B1 (ko) * 2000-08-17 2005-01-05 매그나칩 반도체 유한회사 적응 등화기의 동작 모드를 제어하기 위한 시스템 및 그제어 방법
US7072392B2 (en) * 2000-11-13 2006-07-04 Micronas Semiconductors, Inc. Equalizer for time domain signal processing
US6744474B2 (en) * 2000-12-13 2004-06-01 Thomson Licensing S.A. Recursive metric for NTSC interference rejection in the ATSC-HDTV trellis decoder
US6940557B2 (en) * 2001-02-08 2005-09-06 Micronas Semiconductors, Inc. Adaptive interlace-to-progressive scan conversion algorithm
US6829297B2 (en) * 2001-06-06 2004-12-07 Micronas Semiconductors, Inc. Adaptive equalizer having a variable step size influenced by output from a trellis decoder
US7190744B2 (en) * 2001-06-07 2007-03-13 Micronas Semiconductors, Inc. Error generation for adaptive equalizer
US7418034B2 (en) * 2001-06-19 2008-08-26 Micronas Semiconductors. Inc. Combined trellis decoder and decision feedback equalizer
KR100396672B1 (ko) * 2001-09-25 2003-09-02 엘지전자 주식회사 디지털 ｔｖ 수신기
US7200189B1 (en) * 2001-10-11 2007-04-03 Broadlogic Network Technologies, Inc. Method and system for providing adaptive timing recovery for low power application
JP3916480B2 (ja) * 2002-02-22 2007-05-16 松下電器産業株式会社 デジタル復調装置および同期検出方法
KR100442255B1 (ko) * 2002-02-27 2004-07-30 엘지전자 주식회사 채널 등화 장치
US9635540B2 (en) 2002-03-25 2017-04-25 Jeffrey D. Mullen Systems and methods for locating cellular phones and security measures for the same
US20030235259A1 (en) * 2002-04-04 2003-12-25 Jingsong Xia System and method for symbol clock recovery
US20030206053A1 (en) * 2002-04-04 2003-11-06 Jingsong Xia Carrier recovery for DTV receivers
US7321642B2 (en) * 2002-04-05 2008-01-22 Micronas Semiconductors, Inc. Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
US6980059B2 (en) * 2002-04-05 2005-12-27 Micronas Semiconductors, Inc. Data directed frequency acquisition loop that synchronizes to a received signal by using the redundancy of the data in the frequency domain
US7272203B2 (en) * 2002-04-05 2007-09-18 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot
US6995617B2 (en) * 2002-04-05 2006-02-07 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop
US7376181B2 (en) * 2002-04-05 2008-05-20 Micronas Semiconductors, Inc. Transposed structure for a decision feedback equalizer combined with a trellis decoder
EP1495537A1 (en) * 2002-04-17 2005-01-12 Thomson Licensing S.A. Equalizer status monitor
KR100859876B1 (ko) * 2002-05-28 2008-09-24 삼성전자주식회사 세그먼트동기정보를 이용하여 등화를 수행할 수 있는ｖｓｂ수신기의 등화기
KR20040071546A (ko) * 2003-02-06 2004-08-12 삼성전자주식회사 채널 상태에 대응하여 등화성능이 개선된 디지털 통신시스템 및 그의 동작방법
EP2139143A3 (en) * 2004-01-27 2010-01-27 Samsung Electronics Co., Ltd. Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof
KR100896684B1 (ko) * 2004-01-27 2009-05-14 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법
GB2450363B (en) * 2007-06-21 2009-07-08 Motorola Inc Communication units, communication system and methods for modulation and demodulation
GB0815458D0 (en) * 2008-08-26 2008-10-01 Zarlink Semiconductor Inc Method of transferring timing information over packet network
US8331500B2 (en) * 2009-05-13 2012-12-11 Lg Electronics Inc. Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
CN101820340A (zh) * 2010-02-22 2010-09-01 中兴通讯股份有限公司 一种时钟恢复装置及方法
WO2013008347A1 (ja) 2011-07-11 2013-01-17 三菱電機株式会社 等化装置、受信装置及び等化方法
KR101667886B1 (ko) 2015-07-28 2016-10-28 엘에스산전 주식회사 데이터 제어 시스템
US10063367B1 (en) * 2017-04-28 2018-08-28 Ciena Corporation Optical clock recovery using feedback phase rotator with non-linear compensation

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US4146840A (en) 1978-01-31 1979-03-27 Harris Corporation Technique for obtaining symbol timing for equalizer weights
US4815103A (en) 1987-10-29 1989-03-21 American Telephone And Telegraph Company Equalizer-based timing recovery
JPH04157836A (ja) * 1990-10-20 1992-05-29 Fujitsu Ltd タイミング再生回路
US5353312A (en) 1991-12-27 1994-10-04 At&T Bell Laboratories Equalizer-based timing recovery
FR2698502B1 (fr) 1992-11-25 1994-12-23 Cit Alcatel Dispositif de récupération du rythme baud dans un récepteur pour modem.
US5841484A (en) * 1994-02-10 1998-11-24 Philips Electronics North North America Corporation Blind equalizer method and apparatus for HDTY transmission using an NTSC rejection filter for mitigating co-channel interference
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KR0147661B1 (ko) * 1995-08-30 1998-09-15 김광호 데이타 세그먼트 동기 검출회로 및 그 방법
KR0170690B1 (ko) * 1995-09-23 1999-03-20 김광호 반송파 및 심볼타이밍 복원완료 검출회로와 그 방법 및 이를 채용한 고해상도 텔레비젼
JPH0998198A (ja) * 1995-09-29 1997-04-08 Toshiba Corp ディジタル信号復調装置
JP3404228B2 (ja) * 1996-09-10 2003-05-06 富士通株式会社 クロック位相検出回路
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US6445423B1 (en) * 1999-07-09 2002-09-03 Thomson Licensing S.A. Controlled oscillator in a digital symbol timing recovery network

Also Published As

Publication number Publication date
MXPA00006724A (es) 2004-10-28
CN1166190C (zh) 2004-09-08
EP1073274A2 (en) 2001-01-31
KR20010021059A (ko) 2001-03-15
HK1034397A1 (en) 2001-10-19
KR100720324B1 (ko) 2007-05-22
US6275554B1 (en) 2001-08-14
SG93872A1 (en) 2003-01-21
MY125524A (en) 2006-08-30
JP2001060898A (ja) 2001-03-06
EP1073274A3 (en) 2005-05-25
CN1280445A (zh) 2001-01-17

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