CH609510A5 - - Google Patents

Info

Publication number
CH609510A5
CH609510A5 CH780076A CH780076A CH609510A5 CH 609510 A5 CH609510 A5 CH 609510A5 CH 780076 A CH780076 A CH 780076A CH 780076 A CH780076 A CH 780076A CH 609510 A5 CH609510 A5 CH 609510A5
Authority
CH
Switzerland
Application number
CH780076A
Inventor
Istvan Csajka
Gottfried Dr Ungerboeck
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Priority to CH780076A priority Critical patent/CH609510A5/xx
Priority to DE2649355A priority patent/DE2649355C2/de
Priority to FR7714009A priority patent/FR2355409A1/fr
Priority to US05/799,405 priority patent/US4077021A/en
Priority to GB22585/77A priority patent/GB1572670A/en
Priority to JP52064967A priority patent/JPS585620B2/ja
Publication of CH609510A5 publication Critical patent/CH609510A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/186—Phase-modulated carrier systems, i.e. using phase-shift keying in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
CH780076A 1976-06-18 1976-06-18 CH609510A5 (xx)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH780076A CH609510A5 (xx) 1976-06-18 1976-06-18
DE2649355A DE2649355C2 (de) 1976-06-18 1976-10-29 Verfahren und Anordnung zur Übertragung einer Bitfolge
FR7714009A FR2355409A1 (fr) 1976-06-18 1977-05-03 Procede et dispositif pour la transmission d'une sequence de bits
US05/799,405 US4077021A (en) 1976-06-18 1977-05-23 Method and arrangement for coding binary signals and modulating a carrier signal
GB22585/77A GB1572670A (en) 1976-06-18 1977-05-27 Data transmission system
JP52064967A JPS585620B2 (ja) 1976-06-18 1977-06-03 ビット系列伝送方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH780076A CH609510A5 (xx) 1976-06-18 1976-06-18

Publications (1)

Publication Number Publication Date
CH609510A5 true CH609510A5 (xx) 1979-02-28

Family

ID=4330687

Family Applications (1)

Application Number Title Priority Date Filing Date
CH780076A CH609510A5 (xx) 1976-06-18 1976-06-18

Country Status (6)

Country Link
US (1) US4077021A (xx)
JP (1) JPS585620B2 (xx)
CH (1) CH609510A5 (xx)
DE (1) DE2649355C2 (xx)
FR (1) FR2355409A1 (xx)
GB (1) GB1572670A (xx)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102007053091A1 (de) * 2007-11-07 2009-05-14 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Decodierung von faltungscodierten Signalen

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DE3066889D1 (en) * 1980-12-23 1984-04-12 Ibm Method of transmitting binary data sequences and arrangement for enabling the rapid determination of the end of a transmitted binary data sequence
GB2118003B (en) * 1982-02-02 1985-07-31 Racal Milgo Ltd Differential encoder and decoder for transmitting binary data
US4562426A (en) * 1982-11-08 1985-12-31 Codex Corporation Symbol coding apparatus
US4534040A (en) * 1983-01-04 1985-08-06 At&T Information Systems Method and apparatus for coding a binary signal
US4597090A (en) * 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
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JPS6022415U (ja) * 1983-07-22 1985-02-15 マツダ株式会社 自動車の空気調和装置
US4520490A (en) * 1983-08-05 1985-05-28 At&T Information Systems Inc. Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets
US4644564A (en) * 1983-08-05 1987-02-17 International Business Machines Corporation Decoding the output signal of a partial-response class-IV communication or recording device channel
US4601044A (en) * 1983-11-04 1986-07-15 Racal Data Communications Inc. Carrier-phase adjustment using absolute phase detector
US4583236A (en) * 1983-11-04 1986-04-15 Racal Data Communications Inc. Modified absolute phase detector
US4755998A (en) * 1984-02-06 1988-07-05 Codex Corporation Coded modulation system
US4700349A (en) * 1984-02-06 1987-10-13 Codex Corporation Coded modulation system
US4586182A (en) * 1984-02-06 1986-04-29 Codex Corporation Source coded modulation system
WO1986000185A1 (en) * 1984-06-09 1986-01-03 Devon County Council Data communication method and appartus
USRE33041E (en) * 1984-06-25 1989-08-29 American Telephone And Telegraph Company Multi-dimensional coding for error reduction
US4581601A (en) * 1984-06-25 1986-04-08 At&T Bell Laboratories Multi-dimensional coding for error reduction
JPS6177452A (ja) * 1984-09-25 1986-04-21 Nec Corp 多値直交振幅変調方法および装置
US4631735A (en) * 1984-12-28 1986-12-23 Codex Corporation Coded modulation system with feedback
US4677624A (en) * 1985-03-01 1987-06-30 Paradyne Corporation Self-synchronizing de-interleaver for viterbi decoder used in wireline modems
US4713817A (en) * 1985-04-25 1987-12-15 Codex Corporation Multidimensional, convolutionally coded communication systems
US4713829A (en) * 1985-06-19 1987-12-15 Codex Corporation Coded modulation system with a simplified decoder capable of reducing the effects of channel distortion
US4716385A (en) * 1985-07-24 1987-12-29 Nec Corporation Multilevel modulator comprising a compact error correcting code producing unit
US4833693A (en) * 1985-11-21 1989-05-23 Codex Corporation Coded modulation system using interleaving for decision-feedback equalization
JPH0773240B2 (ja) * 1985-12-13 1995-08-02 日本電気株式会社 自動再トレ−ニング方式
US4837766A (en) * 1986-03-24 1989-06-06 Nec Corporation Frame step-out detecting system
US4831635A (en) * 1986-10-02 1989-05-16 American Telephone And Telegraph Company Trellis codes with spectral nulls
US4945549A (en) * 1986-11-13 1990-07-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Trellis coded modulation for transmission over fading mobile satellite channel
GB8628655D0 (en) * 1986-12-01 1987-01-07 British Telecomm Data coding
US4761784A (en) * 1987-01-15 1988-08-02 Racal Data Communications Inc. Modem and method using multidimensional coded modulation
US5040191A (en) * 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
AU621536B2 (en) * 1987-02-24 1992-03-19 General Electric Capital Corporation Partial response channel signaling systems
US4882733A (en) * 1987-03-13 1989-11-21 Ford Aerospace Corporation Method and apparatus for combining encoding and modulation
US4807230A (en) * 1987-05-29 1989-02-21 Racal Data Communications Inc. Frame synchronization
US4807253A (en) * 1987-11-13 1989-02-21 American Telephone And Telegraph Company, At&T Bell Laboratories Time-varying trellis-coded modulation formats which are robust in channels with phase variations
US5095392A (en) * 1988-01-27 1992-03-10 Matsushita Electric Industrial Co., Ltd. Digital signal magnetic recording/reproducing apparatus using multi-level QAM modulation and maximum likelihood decoding
US5023889A (en) * 1988-05-31 1991-06-11 California Institute Of Technology Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels
US4993046A (en) * 1988-06-24 1991-02-12 Nippon Telegraph And Telephone Corporation Coded modulation communication system
FR2634609B1 (fr) * 1988-07-22 1990-10-05 Trt Telecom Radio Electr Dispositif de modulation pour moduler une onde en phase et en amplitude
US5159610A (en) * 1989-05-12 1992-10-27 Codex Corporation Trellis precoding for modulation systems
DE68915758T2 (de) * 1989-07-07 1994-12-08 Ibm Blockkodierungsschema für die Übertragung von partiellen Bits.
US5214672A (en) * 1990-04-06 1993-05-25 Codex Corporation Trellis precoding for fractional bits/baud
US5113412A (en) * 1990-06-08 1992-05-12 General Datacomm, Inc. Method and apparatus for mapping an eight dimensional constellation of a convolutionally coded communication system
JP2553743B2 (ja) * 1990-07-05 1996-11-13 松下電器産業株式会社 ディジタル信号磁気記録再生装置
USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
USRE39890E1 (en) 1991-03-27 2007-10-23 Matsushita Electric Industrial Co., Ltd. Communication system
USRE40241E1 (en) 1991-03-27 2008-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
US5600672A (en) 1991-03-27 1997-02-04 Matsushita Electric Industrial Co., Ltd. Communication system
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US7894541B2 (en) * 1992-03-26 2011-02-22 Panasonic Corporation Communication system
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US6728467B2 (en) * 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
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US6724976B2 (en) * 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
US5424881A (en) * 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5583889A (en) * 1994-07-08 1996-12-10 Zenith Electronics Corporation Trellis coded modulation system for HDTV
US5825829A (en) * 1995-06-30 1998-10-20 Scientific-Atlanta, Inc. Modulator for a broadband communications system
US5740203A (en) * 1995-09-14 1998-04-14 Thomson Consumer Electronics, Inc. Trellis demapper of a convolutional decoder for decoding pragmatic trellis codes suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data
US6115427A (en) * 1996-04-26 2000-09-05 At&T Corp. Method and apparatus for data transmission using multiple transmit antennas
US6205187B1 (en) 1997-12-12 2001-03-20 General Dynamics Government Systems Corporation Programmable signal decoder
US6553535B1 (en) 1998-08-21 2003-04-22 Massachusetts Institute Of Technology Power-efficient communication protocol
US7376105B2 (en) * 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
US6625208B2 (en) * 1998-09-25 2003-09-23 Intel Corporation Modem using batch processing of signal samples
US6502138B2 (en) * 1998-09-25 2002-12-31 Intel Corporation Modem with code execution adapted to symbol rate
US6661848B1 (en) 1998-09-25 2003-12-09 Intel Corporation Integrated audio and modem device
US6490628B2 (en) * 1998-09-25 2002-12-03 Intel Corporation Modem using a digital signal processor and a signal based command set
US6567475B1 (en) * 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US6408419B1 (en) 1999-07-01 2002-06-18 Infineon Technologies North America Corp. Trellis code for extended partial response maximum likelihood (EPRML) channel
US7016606B2 (en) * 2000-02-28 2006-03-21 University Of Maryland Baltimore County Error mitigation system using line coding for optical WDM communications
US7088784B2 (en) * 2003-10-02 2006-08-08 Nokia Corporation Coded modulation for partially coherent systems

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512260C3 (de) * 1966-04-01 1974-02-14 International Business Machines Corp., Armonk, N.Y. (V.St.A.) Verfahren und Einrichtung zur Datenübertragung durch Puls-Phasen-Modulation
FR2110845A5 (xx) * 1970-10-29 1972-06-02 Ibm France

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007053091A1 (de) * 2007-11-07 2009-05-14 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Decodierung von faltungscodierten Signalen
US8509358B2 (en) 2007-11-07 2013-08-13 Rohde & Schwarz Gmbh & Co. Kg Viterbi equalization with detection of the nearest constellation points for stage reduction

Also Published As

Publication number Publication date
DE2649355A1 (de) 1977-12-29
FR2355409A1 (fr) 1978-01-13
DE2649355C2 (de) 1984-07-26
JPS52155907A (en) 1977-12-24
FR2355409B1 (xx) 1982-03-05
US4077021A (en) 1978-02-28
JPS585620B2 (ja) 1983-02-01
GB1572670A (en) 1980-07-30

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Legal Events

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PL Patent ceased