DE60202765D1 - Zweistufiger entzerrer für trelliskodierte systeme - Google Patents

Zweistufiger entzerrer für trelliskodierte systeme

Info

Publication number
DE60202765D1
DE60202765D1 DE60202765T DE60202765T DE60202765D1 DE 60202765 D1 DE60202765 D1 DE 60202765D1 DE 60202765 T DE60202765 T DE 60202765T DE 60202765 T DE60202765 T DE 60202765T DE 60202765 D1 DE60202765 D1 DE 60202765D1
Authority
DE
Germany
Prior art keywords
equalizer
stage
filter
decision feedback
trelliscoded
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.)
Expired - Fee Related
Application number
DE60202765T
Other languages
English (en)
Other versions
DE60202765T2 (de
Inventor
Dagnachew Birru
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60202765D1 publication Critical patent/DE60202765D1/de
Publication of DE60202765T2 publication Critical patent/DE60202765T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • 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
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03382—Single of vestigal sideband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Picture Signal Circuits (AREA)
DE60202765T 2001-04-10 2002-04-09 Zweistufiger entzerrer für trelliskodierte systeme Expired - Fee Related DE60202765T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US829788 2001-04-10
US09/829,788 US7006566B2 (en) 2001-04-10 2001-04-10 Two stage equalizer for trellis coded systems
PCT/IB2002/001111 WO2002084965A1 (en) 2001-04-10 2002-04-09 A two stage equalizer for trellis coded systems

Publications (2)

Publication Number Publication Date
DE60202765D1 true DE60202765D1 (de) 2005-03-03
DE60202765T2 DE60202765T2 (de) 2006-01-12

Family

ID=25255558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60202765T Expired - Fee Related DE60202765T2 (de) 2001-04-10 2002-04-09 Zweistufiger entzerrer für trelliskodierte systeme

Country Status (8)

Country Link
US (1) US7006566B2 (de)
EP (1) EP1386457B1 (de)
JP (1) JP4063677B2 (de)
KR (1) KR100871072B1 (de)
CN (1) CN100471186C (de)
AT (1) ATE288164T1 (de)
DE (1) DE60202765T2 (de)
WO (1) WO2002084965A1 (de)

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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
US7010030B2 (en) * 2001-07-20 2006-03-07 Koninklijke Philips Electronics N.V. Software definable block adaptive decision feedback equalizer
US6587501B2 (en) * 2001-07-30 2003-07-01 Motorola, Inc. Method and apparatus for joint detection of a coded signal in a CDMA system
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US7180942B2 (en) 2001-12-18 2007-02-20 Dotcast, Inc. Joint adaptive optimization of soft decision device and feedback equalizer
KR100442255B1 (ko) * 2002-02-27 2004-07-30 엘지전자 주식회사 채널 등화 장치
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
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
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
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
KR100985486B1 (ko) * 2002-04-17 2010-10-06 톰슨 라이센싱 결정 피드백 등화기에서 표준 자동 스위칭 모드와 소프트 자동 스위칭 모드 중 하나를 자동으로 선택하기 위한 모드 선택기 장치 및 방법
KR100451750B1 (ko) * 2002-10-31 2004-10-08 엘지전자 주식회사 디지털 텔레비전 수신기의 채널 등화 장치
KR100985578B1 (ko) 2002-12-03 2010-10-07 삼성전자주식회사 트렐리스 복호기와 연동하여 동작하는 채널등화장치를가지는 단일반송파수신기 및 그의 채널등화방법
US7177354B2 (en) * 2003-04-22 2007-02-13 Zenith Electronics Corporation Method and apparatus for the control of a decision feedback equalizer
US8064528B2 (en) 2003-05-21 2011-11-22 Regents Of The University Of Minnesota Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
KR100539248B1 (ko) * 2004-02-05 2005-12-27 삼성전자주식회사 결정 피드백 이퀄라이저 및 피드백 필터 계수 업데이트 방법
KR101170484B1 (ko) * 2004-04-09 2012-08-01 마이크로나스 세미컨덕터, 인코포레이티드 이퀄라이저의 피드포워드 필터를 제어하는 방법 및 장치
US7995648B2 (en) * 2004-04-09 2011-08-09 Trident Microsystems (Far East) Ltd. Advanced digital receiver
US20080298518A1 (en) * 2004-08-12 2008-12-04 Gopalan Krishnamurthy Automatic Gain Control Unit of a Receiver
US8139628B1 (en) * 2005-01-10 2012-03-20 Marvell International Ltd. Method and device to compensate for baseline wander
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US7613238B2 (en) * 2005-09-13 2009-11-03 Mediatek Inc. Apparatus and method for decision error compensation in an adaptive equalizer
KR101393450B1 (ko) * 2006-01-12 2014-05-13 에이저 시스템즈 엘엘시 수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기
US20070183489A1 (en) * 2006-02-07 2007-08-09 Samsung Electronics Co., Ltd. Apparatus for decoding a signal and method thereof and a trellis coded modulation decoder and method thereof
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Also Published As

Publication number Publication date
US7006566B2 (en) 2006-02-28
CN100471186C (zh) 2009-03-18
CN1461549A (zh) 2003-12-10
JP4063677B2 (ja) 2008-03-19
DE60202765T2 (de) 2006-01-12
EP1386457A1 (de) 2004-02-04
JP2004519971A (ja) 2004-07-02
ATE288164T1 (de) 2005-02-15
KR20030007941A (ko) 2003-01-23
WO2002084965A1 (en) 2002-10-24
KR100871072B1 (ko) 2008-11-28
US20020172275A1 (en) 2002-11-21
EP1386457B1 (de) 2005-01-26

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