DK0397537T3 - Afbildning af digitale datasekvenser til datatransmission - Google Patents

Afbildning af digitale datasekvenser til datatransmission

Info

Publication number
DK0397537T3
DK0397537T3 DK90305173.8T DK90305173T DK0397537T3 DK 0397537 T3 DK0397537 T3 DK 0397537T3 DK 90305173 T DK90305173 T DK 90305173T DK 0397537 T3 DK0397537 T3 DK 0397537T3
Authority
DK
Denmark
Prior art keywords
digital data
data transmission
signal point
sequence
sequences
Prior art date
Application number
DK90305173.8T
Other languages
Danish (da)
English (en)
Inventor
Vedat M Eyuboglu
G David Jnr Forney
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DK0397537T3 publication Critical patent/DK0397537T3/da

Links

Classifications

    • 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
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H04L25/03044—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • H04L27/3422—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is not the n - fold Cartesian product of a single underlying two-dimensional constellation
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03656—Initialisation
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03656—Initialisation
    • H04L2025/03662—Initialisation to a fixed value
    • 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
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK90305173.8T 1989-05-12 1990-05-14 Afbildning af digitale datasekvenser til datatransmission DK0397537T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35118689A 1989-05-12 1989-05-12

Publications (1)

Publication Number Publication Date
DK0397537T3 true DK0397537T3 (da) 1997-06-23

Family

ID=23379927

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90305173.8T DK0397537T3 (da) 1989-05-12 1990-05-14 Afbildning af digitale datasekvenser til datatransmission

Country Status (9)

Country Link
EP (1) EP0397537B1 (es)
JP (1) JP2779973B2 (es)
AT (1) ATE147914T1 (es)
CA (1) CA2012914C (es)
DE (1) DE69029679T2 (es)
DK (1) DK0397537T3 (es)
ES (1) ES2099085T3 (es)
GR (1) GR3023119T3 (es)
HK (1) HK1008717A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU630417B2 (en) * 1989-02-16 1992-10-29 Codex Corporation Trellis shaping for modulation systems
CA2014867A1 (en) * 1989-05-12 1990-11-12 G. David Forney, Jr. Generalized partial response channel signaling systems
JP2560893B2 (ja) * 1990-07-23 1996-12-04 日本電気株式会社 データ信号受信装置
JP2560896B2 (ja) * 1990-07-31 1996-12-04 日本電気株式会社 最尤受信器
US5249200A (en) * 1991-07-30 1993-09-28 Codex Corporation Device and method for combining precoding with symbol-rate spectral shaping
US5396519A (en) * 1993-10-22 1995-03-07 At&T Corp. Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel
US5878077A (en) * 1995-10-10 1999-03-02 Paradyne Corporation Apparatus for high-speed simultaneous voice/data communications
JP3140974B2 (ja) * 1996-03-31 2001-03-05 富士通株式会社 判定方法及びプリコーダ装置
US6452978B1 (en) * 1999-02-11 2002-09-17 Tioga Technologies Inc. Combined shaping and peak-to-average reduction for single carrier modulation systems
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8202438A (nl) * 1982-06-16 1984-01-16 Philips Nv Eindinrichting voor een duplex transmissiestelsel.
JPH0653962B2 (ja) * 1985-07-19 1994-07-20 ユニ・チヤ−ム株式会社 使い捨て吸収性パンツおよびその製法
CA1290501C (en) * 1986-10-10 1991-10-15 Jerry Layne Dragoo Absorbent article having leakage resistant dual cuffs
US4797898A (en) * 1986-11-21 1989-01-10 Racal Data Communications Inc. Method and apparatus for equalization of data transmission system
AU621536B2 (en) * 1987-02-24 1992-03-19 General Electric Capital Corporation Partial response channel signaling systems
US4894844A (en) * 1987-06-12 1990-01-16 Codex Corporation Signal constellations
JPH02111363A (ja) * 1988-10-21 1990-04-24 Kao Corp つかいすておむつ

Also Published As

Publication number Publication date
DE69029679T2 (de) 1997-05-28
ATE147914T1 (de) 1997-02-15
DE69029679D1 (de) 1997-02-27
JPH0310423A (ja) 1991-01-18
EP0397537A3 (en) 1992-08-05
CA2012914A1 (en) 1990-11-12
JP2779973B2 (ja) 1998-07-23
ES2099085T3 (es) 1997-05-16
EP0397537A2 (en) 1990-11-14
GR3023119T3 (en) 1997-07-30
CA2012914C (en) 1999-05-04
HK1008717A1 (en) 1999-05-14
EP0397537B1 (en) 1997-01-15

Similar Documents

Publication Publication Date Title
CA2058450A1 (en) Treillis precoding for fractional bits/baud
ES2119833T3 (es) Metodo de modulacion.
DE69115362D1 (de) Digitales Datenübertragungssystem mit gleichzeitiger Spannungsübertragung über eine einzige Leitung
DK0397537T3 (da) Afbildning af digitale datasekvenser til datatransmission
DE69032261D1 (de) Digitale Signalverarbeitungsschaltung
DE69021919T2 (de) Digitales Modulationsverfahren.
DE3786608D1 (de) Alkylakrylatcopolymere, diese copolymere enthaltende aufzeichnungstraeger und verfahren zur herstellung dieser copolymere und aufzeichnungstraeger.
FR2657373B1 (fr) Dispositif de curage d'un canal.
DE69103572D1 (de) Vorrichtung zur Wiedergabe von digitalen Signalen.
DK129086D0 (da) System til synkronisering af digitale informationssignaler
DE3787267D1 (de) Gerät zur digitalen Datenaufzeichnung.
SE8002874L (sv) Overforingsanleggning for overforing av binera datasymboler
IT8620199A0 (it) Filtro digitale adattivo per segnali d'ingresso analogici.
DE68919129D1 (de) Gerät zur Aufnahme von digitalen Signalen.
IT8322272A0 (it) Ricevitore per televisione con elaborazione di segnali digitali, presentante la capacita' di controllo di un convertitore digitale-analogico.
JPS5651159A (en) Coding method of picture information
AU506477B2 (en) Alphabet code converter for digital signal transmission systems
FR2510797B1 (fr) Dispositif d'enregistrement de signaux numeriques codes et dispositif de reproduction de ces signaux
DE69022328D1 (de) Gerät zur Wiedergabe von digitalen Signalen.
NO922459D0 (no) Fremgangsmaate for overfoering av digitale informasjoner, saerlig toneinformasjoner, i en fjernsynskanal
ATE24080T1 (de) Digitaler frequenzdiskriminator.
FR2500695B1 (fr) Dispositif de codage et de decodage d'information analogique representee par un couple de valeurs x, y en vue de son enregistrement magnetique
ATE20512T1 (de) Fernmeldesystem zur datenuebertragung durch eine digitale vermittlung.