DE69029679D1 - Abbildung von digitalen Datenfolgen für die Datenübertragung - Google Patents

Abbildung von digitalen Datenfolgen für die Datenübertragung

Info

Publication number
DE69029679D1
DE69029679D1 DE69029679T DE69029679T DE69029679D1 DE 69029679 D1 DE69029679 D1 DE 69029679D1 DE 69029679 T DE69029679 T DE 69029679T DE 69029679 T DE69029679 T DE 69029679T DE 69029679 D1 DE69029679 D1 DE 69029679D1
Authority
DE
Germany
Prior art keywords
digital data
mapping
data transmission
signal point
sequence
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
DE69029679T
Other languages
English (en)
Other versions
DE69029679T2 (de
Inventor
Vedat M Eyuboglu
G David Forney
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.)
Motorola Solutions Inc
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 DE69029679D1 publication Critical patent/DE69029679D1/de
Publication of DE69029679T2 publication Critical patent/DE69029679T2/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
    • 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)
DE69029679T 1989-05-12 1990-05-14 Abbildung von digitalen Datenfolgen für die Datenübertragung Expired - Fee Related DE69029679T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69029679D1 true DE69029679D1 (de) 1997-02-27
DE69029679T2 DE69029679T2 (de) 1997-05-28

Family

ID=23379927

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029679T Expired - Fee Related DE69029679T2 (de) 1989-05-12 1990-05-14 Abbildung von digitalen Datenfolgen für die Datenübertragung

Country Status (9)

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

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
JPH0310423A (ja) 1991-01-18
EP0397537A3 (de) 1992-08-05
CA2012914A1 (en) 1990-11-12
JP2779973B2 (ja) 1998-07-23
ES2099085T3 (es) 1997-05-16
EP0397537A2 (de) 1990-11-14
GR3023119T3 (en) 1997-07-30
DK0397537T3 (da) 1997-06-23
CA2012914C (en) 1999-05-04
HK1008717A1 (en) 1999-05-14
EP0397537B1 (de) 1997-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee