FR2611332B1 - ENCODING APPARATUS AND DECODER FOR PARTIAL RESPONSE CHANNEL TRANSMISSION SYSTEMS - Google Patents

ENCODING APPARATUS AND DECODER FOR PARTIAL RESPONSE CHANNEL TRANSMISSION SYSTEMS

Info

Publication number
FR2611332B1
FR2611332B1 FR8802253A FR8802253A FR2611332B1 FR 2611332 B1 FR2611332 B1 FR 2611332B1 FR 8802253 A FR8802253 A FR 8802253A FR 8802253 A FR8802253 A FR 8802253A FR 2611332 B1 FR2611332 B1 FR 2611332B1
Authority
FR
France
Prior art keywords
decoder
encoding apparatus
channel transmission
transmission systems
partial response
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
FR8802253A
Other languages
French (fr)
Other versions
FR2611332A1 (en
Inventor
G David Forney Jr
Vedat M Eyuboglu
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
Codex Corp
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 Codex Corp filed Critical Codex Corp
Publication of FR2611332A1 publication Critical patent/FR2611332A1/en
Application granted granted Critical
Publication of FR2611332B1 publication Critical patent/FR2611332B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/3427—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 the n - fold Cartesian product of a single underlying two-dimensional constellation
    • H04L27/3438—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 the n - fold Cartesian product of a single underlying two-dimensional constellation using an underlying generalised cross constellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting 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
    • H04L25/497—Transmitting 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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
FR8802253A 1987-02-24 1988-02-24 ENCODING APPARATUS AND DECODER FOR PARTIAL RESPONSE CHANNEL TRANSMISSION SYSTEMS Expired - Lifetime FR2611332B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1834587A 1987-02-24 1987-02-24

Publications (2)

Publication Number Publication Date
FR2611332A1 FR2611332A1 (en) 1988-08-26
FR2611332B1 true FR2611332B1 (en) 1992-09-11

Family

ID=21787463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8802253A Expired - Lifetime FR2611332B1 (en) 1987-02-24 1988-02-24 ENCODING APPARATUS AND DECODER FOR PARTIAL RESPONSE CHANNEL TRANSMISSION SYSTEMS

Country Status (9)

Country Link
JP (1) JPH06103895B2 (en)
AU (1) AU621536B2 (en)
CA (1) CA1306543C (en)
DE (1) DE3805582C2 (en)
FR (1) FR2611332B1 (en)
GB (1) GB2201567B (en)
HK (1) HK41592A (en)
NL (1) NL8800474A (en)
SG (1) SG37292G (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2012914C (en) * 1989-05-12 1999-05-04 Vedat M. Eyuboglu Trellis precoding for modulation systems
CA2014867A1 (en) * 1989-05-12 1990-11-12 G. David Forney, Jr. Generalized partial response channel signaling systems
CH685525A5 (en) * 1990-03-12 1995-07-31 Ascom Radiocom Ag Trellis coded modulation of oscillatory carrier wave
US5164963A (en) * 1990-11-07 1992-11-17 At&T Bell Laboratories Coding for digital transmission
DE4201439A1 (en) * 1992-01-21 1993-07-22 Daimler Benz Ag High-rate data transmission procedure via digital radio channel - providing multipath propagation compensation by decision feedback equaliser of correctly phased and weighted antenna signal combination
FR2740286B1 (en) * 1995-10-23 1998-01-02 Inst Eurecom DEVICE AND METHOD FOR HYBRID DIGITAL-ANALOG COMMUNICATION ON A TELEPHONE CHANNEL

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1250924A (en) * 1969-06-25 1971-10-27
CH609510A5 (en) * 1976-06-18 1979-02-28 Ibm
DE2836445C2 (en) * 1978-08-19 1979-11-15 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Circuit arrangement for error detection in digital signals
GB2118006B (en) * 1982-03-19 1985-09-04 Gen Electric Co Plc Transmission systems
EP0178077B1 (en) * 1984-10-02 1989-11-15 Kabushiki Kaisha Toshiba Optical head apparatus for recording and reproducing data on a recording medium
NL8403366A (en) * 1984-11-06 1986-06-02 Philips Nv DEVICE FOR MONITORING A CMI CODE CONVERTER.
NL8601603A (en) * 1986-06-20 1988-01-18 Philips Nv CHANNEL CODING DEVICE.

Also Published As

Publication number Publication date
HK41592A (en) 1992-06-19
FR2611332A1 (en) 1988-08-26
GB2201567A (en) 1988-09-01
SG37292G (en) 1992-05-22
NL8800474A (en) 1988-09-16
DE3805582C2 (en) 2001-04-12
DE3805582A1 (en) 1988-09-01
GB2201567B (en) 1991-09-25
JPH06103895B2 (en) 1994-12-14
CA1306543C (en) 1992-08-18
JPS63240154A (en) 1988-10-05
AU621536B2 (en) 1992-03-19
AU1204088A (en) 1988-09-08
GB8804283D0 (en) 1988-03-23

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Legal Events

Date Code Title Description
TP Transmission of property