DE69031330D1 - Empfänger für vierphasenmodulationssignale - Google Patents

Empfänger für vierphasenmodulationssignale

Info

Publication number
DE69031330D1
DE69031330D1 DE69031330T DE69031330T DE69031330D1 DE 69031330 D1 DE69031330 D1 DE 69031330D1 DE 69031330 T DE69031330 T DE 69031330T DE 69031330 T DE69031330 T DE 69031330T DE 69031330 D1 DE69031330 D1 DE 69031330D1
Authority
DE
Germany
Prior art keywords
receiver
phase modulation
modulation signals
signals
phase
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
DE69031330T
Other languages
English (en)
Other versions
DE69031330T2 (de
Inventor
Seiichi Mita
Johannes Wilhelmus Ma Bergmans
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.)
Hitachi Ltd
Koninklijke Philips NV
Original Assignee
Hitachi Ltd
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 Hitachi Ltd, Philips Electronics NV filed Critical Hitachi Ltd
Publication of DE69031330D1 publication Critical patent/DE69031330D1/de
Application granted granted Critical
Publication of DE69031330T2 publication Critical patent/DE69031330T2/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
    • H04L25/38—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
    • H04L25/4906—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 using binary codes
    • H04L25/4908—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 using binary codes using mBnB codes
    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69031330T 1989-05-08 1990-05-07 Empfänger für vierphasenmodulationssignale Expired - Fee Related DE69031330T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1113712A JPH02292918A (ja) 1989-05-08 1989-05-08 ４相変調信号の受信装置
PCT/NL1990/000064 WO1990013958A1 (en) 1989-05-08 1990-05-07 Receiver for quadraphase modulation signals

Publications (2)

Publication Number Publication Date
DE69031330D1 true DE69031330D1 (de) 1997-10-02
DE69031330T2 DE69031330T2 (de) 1998-04-09

Family

ID=14619245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031330T Expired - Fee Related DE69031330T2 (de) 1989-05-08 1990-05-07 Empfänger für vierphasenmodulationssignale

Country Status (5)

Country Link
US (1) US5278868A (de)
EP (1) EP0417272B1 (de)
JP (1) JPH02292918A (de)
DE (1) DE69031330T2 (de)
WO (1) WO1990013958A1 (de)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400332A (en) * 1965-12-27 1968-09-03 Bell Telephone Labor Inc Automatic equalizer for quadrature data channels
US3508153A (en) * 1967-09-11 1970-04-21 Bell Telephone Labor Inc Automatic equalizer for partial-response data transmission systems
FR2071533A5 (de) * 1969-12-30 1971-09-17 Ibm France
US3906347A (en) * 1973-10-11 1975-09-16 Hycom Inc Transversal equalizer for use in double sideband quadrature amplitude modulated system
JPS5152264A (de) * 1974-09-11 1976-05-08 Sharp Kk
US3947768A (en) * 1975-01-08 1976-03-30 International Business Machines Corporation Carrier-modulation data transmission equalizers
US4224575A (en) * 1978-11-29 1980-09-23 E-Systems, Inc. Phase/frequency controlled phase shift keyed signal carrier reconstruction circuit
US4237554A (en) * 1979-03-01 1980-12-02 Bell Telephone Laboratories, Incorporated Coefficient tap leakage for fractionally-spaced equalizers
US4355397A (en) * 1980-10-15 1982-10-19 Rixon, Inc. Full duplex communication system for voice grade channels
US4571734A (en) * 1983-08-05 1986-02-18 International Business Machines Corporation Method and apparatus for decoding the output signal of a partial-response class-IV communication or recording-device channel
EP0204745B2 (de) * 1984-11-22 1995-09-06 Devon County Council Daten-modulator-demodulatorsystem
AR241298A1 (es) * 1985-10-03 1992-04-30 Siemens Ag Ecualizador transversal adaptivo .
US5025455A (en) * 1989-11-30 1991-06-18 The United States Of America As Represented By The Administer, National Aeronautics And Space Administration Phase ambiguity resolution for offset QPSK modulation systems

Also Published As

Publication number Publication date
EP0417272B1 (de) 1997-08-27
US5278868A (en) 1994-01-11
EP0417272A1 (de) 1991-03-20
WO1990013958A1 (en) 1990-11-15
JPH02292918A (ja) 1990-12-04
DE69031330T2 (de) 1998-04-09

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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