SG93872A1 - Digital symbol timing recovery network - Google Patents

Digital symbol timing recovery network

Info

Publication number
SG93872A1
SG93872A1 SG200003497A SG200003497A SG93872A1 SG 93872 A1 SG93872 A1 SG 93872A1 SG 200003497 A SG200003497 A SG 200003497A SG 200003497 A SG200003497 A SG 200003497A SG 93872 A1 SG93872 A1 SG 93872A1
Authority
SG
Singapore
Prior art keywords
symbol timing
timing recovery
digital symbol
recovery network
network
Prior art date
Application number
SG200003497A
Other languages
English (en)
Inventor
Reel Bouillet Aaron
Sidney Stewart John
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of SG93872A1 publication Critical patent/SG93872A1/en

Links

Classifications

    • 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 MPEG 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
SG200003497A 1999-07-09 2000-06-21 Digital symbol timing recovery network SG93872A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG93872A1 true SG93872A1 (en) 2003-01-21

Family

ID=23378591

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200003497A SG93872A1 (en) 1999-07-09 2000-06-21 Digital symbol timing recovery network

Country Status (9)

Country Link
US (1) US6275554B1 (nl)
EP (1) EP1073274A3 (nl)
JP (1) JP4714324B2 (nl)
KR (1) KR100720324B1 (nl)
CN (1) CN1166190C (nl)
HK (1) HK1034397A1 (nl)
MX (1) MXPA00006724A (nl)
MY (1) MY125524A (nl)
SG (1) SG93872A1 (nl)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6507626B1 (en) * 1998-09-25 2003-01-14 Samsung Electronics Co., Ltd. Bandpass phase tracker that automatically samples at prescribed carrier phases when digitizing VSB I-F signal
JP2000115263A (ja) * 1998-09-30 2000-04-21 Matsushita Electric Ind Co Ltd ディジタル放送復調装置
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
US20030206053A1 (en) * 2002-04-04 2003-11-06 Jingsong Xia Carrier recovery for DTV receivers
US20030235259A1 (en) * 2002-04-04 2003-12-25 Jingsong Xia System and method for symbol clock recovery
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
US7376181B2 (en) * 2002-04-05 2008-05-20 Micronas Semiconductors, Inc. Transposed structure for a decision feedback equalizer combined with a trellis decoder
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
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
US6995617B2 (en) * 2002-04-05 2006-02-07 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop
WO2003090349A1 (en) * 2002-04-17 2003-10-30 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
JP4663658B2 (ja) * 2004-01-27 2011-04-06 サムスン エレクトロニクス カンパニー リミテッド デジタル放送受信機及び信号処理方法
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818544A (en) * 1995-09-23 1998-10-06 Samsung Electronics Co., Ltd. Method and apparatus for detecting when the carrier signal and symbol timing for a television signal is recovered and a high definition television employing the method and apparatus
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5152264A (nl) 1974-09-11 1976-05-08 Sharp Kk
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.
US5805242A (en) 1994-03-21 1998-09-08 Thomson Consumer Electronics, Inc. Carrier independent timing recovery system for a vestigial sideband modulated signal
US5673293A (en) * 1994-09-08 1997-09-30 Hitachi America, Ltd. Method and apparatus for demodulating QAM and VSB signals
US5581585A (en) 1994-10-21 1996-12-03 Level One Communications, Inc. Phase-locked loop timing recovery circuit
JPH08298528A (ja) * 1995-04-27 1996-11-12 Hitachi Ltd ディジタル衛星放送受信機
US5796535A (en) * 1995-05-12 1998-08-18 Cirrus Logic, Inc. Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer
US5692020A (en) 1995-06-07 1997-11-25 Discovision Associates Signal processing apparatus and method
KR0147661B1 (ko) * 1995-08-30 1998-09-15 김광호 데이타 세그먼트 동기 검출회로 및 그 방법
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
US6249557B1 (en) 1997-03-04 2001-06-19 Level One Communications, Inc. Apparatus and method for performing timing recovery
CN1130899C (zh) * 1997-10-31 2003-12-10 汤姆森许可公司 处理含高清晰度视频数据残留边带调制信号的装置和方法
US6445423B1 (en) * 1999-07-09 2002-09-03 Thomson Licensing S.A. Controlled oscillator in a digital symbol timing recovery network

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5818544A (en) * 1995-09-23 1998-10-06 Samsung Electronics Co., Ltd. Method and apparatus for detecting when the carrier signal and symbol timing for a television signal is recovered and a high definition television employing the method and apparatus

Also Published As

Publication number Publication date
JP2001060898A (ja) 2001-03-06
JP4714324B2 (ja) 2011-06-29
EP1073274A3 (en) 2005-05-25
MXPA00006724A (es) 2004-10-28
CN1280445A (zh) 2001-01-17
US6275554B1 (en) 2001-08-14
EP1073274A2 (en) 2001-01-31
KR20010021059A (ko) 2001-03-15
KR100720324B1 (ko) 2007-05-22
CN1166190C (zh) 2004-09-08
MY125524A (en) 2006-08-30
HK1034397A1 (en) 2001-10-19

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