JP3302368B2 - 多レベルvsb伝送システムのためのデータレベル選択 - Google Patents

多レベルvsb伝送システムのためのデータレベル選択

Info

Publication number
JP3302368B2
JP3302368B2 JP52635495A JP52635495A JP3302368B2 JP 3302368 B2 JP3302368 B2 JP 3302368B2 JP 52635495 A JP52635495 A JP 52635495A JP 52635495 A JP52635495 A JP 52635495A JP 3302368 B2 JP3302368 B2 JP 3302368B2
Authority
JP
Japan
Prior art keywords
data
symbol
bit
byte
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.)
Expired - Lifetime
Application number
JP52635495A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09511881A (ja
Inventor
クリシュナムアシイ,ゴパラン
ジー. ラウド,ティモシイ
Original Assignee
ゼニス、エレクトロニクス、コーポレーション
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 ゼニス、エレクトロニクス、コーポレーション filed Critical ゼニス、エレクトロニクス、コーポレーション
Publication of JPH09511881A publication Critical patent/JPH09511881A/ja
Application granted granted Critical
Publication of JP3302368B2 publication Critical patent/JP3302368B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00Conversion of the form of the representation of individual digits
    • H03M5/02Conversion to or from representation by pulses
    • H03M5/20Conversion to or from representation by pulses the pulses having more than three levels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041Arrangements at the transmitter end
    • H04L1/0043Realisations of complexity reduction techniques, e.g. use of look-up tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0052Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4919Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0057Block codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
JP52635495A 1994-04-08 1995-03-22 多レベルvsb伝送システムのためのデータレベル選択 Expired - Lifetime JP3302368B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/225,201 1994-04-08
US08/225,201 US5508748A (en) 1993-02-08 1994-04-08 Data level selection for multilevel VSB transmission system
PCT/US1995/003653 WO1995028050A1 (en) 1994-04-08 1995-03-22 Data level selection for multilevel vsb transmission system

Publications (2)

Publication Number Publication Date
JPH09511881A JPH09511881A (ja) 1997-11-25
JP3302368B2 true JP3302368B2 (ja) 2002-07-15

Family

ID=22843947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52635495A Expired - Lifetime JP3302368B2 (ja) 1994-04-08 1995-03-22 多レベルvsb伝送システムのためのデータレベル選択

Country Status (7)

Country Link
US (1) US5508748A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3302368B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100257954B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1097373C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2186348C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW274171B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1995028050A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1848171A1 (en) * 1995-07-12 2007-10-24 NEC Corporation Method and apparatus for multi-level quadrature amplitude modulation
US5745528A (en) * 1995-07-13 1998-04-28 Zenith Electronics Corporation VSB mode selection system
US6084642A (en) * 1996-10-07 2000-07-04 Zenith Electronics Corporation Receiver for adjusting sync levels in VSB systems
US5764309A (en) * 1996-10-07 1998-06-09 Zenith Electronics Corporation Sync compensated AGC system for VSB receiver
US5912898A (en) * 1997-02-27 1999-06-15 Integrated Device Technology, Inc. Convolutional interleaver/de-interleaver
JP2000115263A (ja) * 1998-09-30 2000-04-21 Matsushita Electric Ind Co Ltd ディジタル放送復調装置
KR100459760B1 (ko) * 1998-12-30 2005-05-24 주식회사 대우일렉트로닉스 디지털텔레비젼수신장치의자동이득제어회로및방법
KR100304889B1 (ko) * 1998-12-31 2001-09-24 구자홍 디지털텔레비전의잔류측파대모드검출장치
KR20010026751A (ko) * 1999-09-08 2001-04-06 서평원 디지털 송수신기의 잔류 측파대 모드 자동 변경 방법
US6958781B2 (en) * 2000-04-18 2005-10-25 Zenith Electronics Corporation Mapping arrangement for digital communication system
US7675994B2 (en) 2001-04-02 2010-03-09 Koninklijke Philips Electronics N.V. Packet identification mechanism at the transmitter and receiver for an enhanced ATSC 8-VSB system
US7206352B2 (en) * 2001-04-02 2007-04-17 Koninklijke Philips Electronics N.V. ATSC digital television system
CA2507620C (en) * 2002-12-16 2014-04-15 Telecom Italia S.P.A. Addresses generation for interleavers in turbo encoders and decoders
EP1467559A1 (en) * 2003-04-11 2004-10-13 Thomson Licensing S.A. Video receiver
MXPA06011267A (es) * 2004-04-01 2007-01-26 Korea Electronics Telecomm Transmisor y receptor de television digital para usar una codificacion trellis de 16 estados.
KR100657819B1 (ko) 2004-04-01 2006-12-14 한국전자통신연구원 혼합 이중 스트림 구조의 디지털 텔레비전 송수신장치 및그 방법
MX2008012801A (es) * 2006-04-06 2009-02-03 Samsung Electronics Co Ltd Método y aparato para transmitir la señal de emisión digital en un sistema vsb avanzado (a-vsb) en el cual se provee el paquete de transporte sin campo de adaptación en un sitio fijo en fragmentos del campo de datos.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3060229B2 (ja) * 1989-08-11 2000-07-10 ソニー株式会社 信号処理装置及び信号処理方法
US5105442A (en) * 1990-11-07 1992-04-14 At&T Bell Laboratories Coded modulation with unequal error protection
US5087975A (en) * 1990-11-09 1992-02-11 Zenith Electronics Corporation VSB HDTV transmission system with reduced NTSC co-channel interference
EP0577672B1 (en) * 1991-03-28 1998-07-22 BRITISH TELECOMMUNICATIONS public limited company Tcm scheme with fractional bit rates, framing signals and constellation shaping
GB9217819D0 (en) * 1992-08-21 1992-10-07 Philips Electronics Uk Ltd Data coding system
US5410368A (en) * 1993-12-29 1995-04-25 Zenith Electronics Corp. Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval

Also Published As

Publication number Publication date
CA2186348C (en) 2000-05-30
JPH09511881A (ja) 1997-11-25
WO1995028050A1 (en) 1995-10-19
MX9604630A (es) 1997-11-29
CN1145149A (zh) 1997-03-12
TW274171B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-04-11
KR970702646A (ko) 1997-05-13
US5508748A (en) 1996-04-16
KR100257954B1 (ko) 2000-06-01
CN1097373C (zh) 2002-12-25
CA2186348A1 (en) 1995-10-19

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