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
CH780076A 1976-06-18 1976-06-18 CH609510A5 (es)

Priority Applications (6)

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

Publications (1)

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

Family

ID=4330687

Family Applications (1)

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

Country Status (6)

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

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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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US4597090A (en) * 1983-04-14 1986-06-24 Codex Corporation Block coded modulation system
US4483012A (en) * 1983-04-18 1984-11-13 At&T Information Systems Differentially convolutional channel coding with expanded set of signalling alphabets
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US4583236A (en) * 1983-11-04 1986-04-15 Racal Data Communications Inc. Modified absolute phase detector
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US4755998A (en) * 1984-02-06 1988-07-05 Codex Corporation Coded modulation system
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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
DE3689370T2 (de) * 1985-07-24 1994-05-11 Nec Corp Mehrpegel-Modulator mit einer kompakten Einheit zur Erzeugung eines Fehlerkorrekturkodes.
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
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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
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US4761784A (en) * 1987-01-15 1988-08-02 Racal Data Communications Inc. Modem and method using multidimensional coded modulation
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US5040191A (en) * 1987-02-24 1991-08-13 Codex 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
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US5214672A (en) * 1990-04-06 1993-05-25 Codex Corporation Trellis precoding for fractional bits/baud
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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
JP4034824B2 (ja) * 1996-04-26 2008-01-16 エイ・ティ・アンド・ティ・コーポレーション 多重送信アンテナを使用するデータ伝送の方法および装置
US6205187B1 (en) 1997-12-12 2001-03-20 General Dynamics Government Systems Corporation Programmable signal decoder
US7376105B2 (en) * 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
US6553535B1 (en) 1998-08-21 2003-04-22 Massachusetts Institute Of Technology Power-efficient communication protocol
US6661848B1 (en) * 1998-09-25 2003-12-09 Intel Corporation Integrated audio and modem device
US6625208B2 (en) * 1998-09-25 2003-09-23 Intel Corporation Modem using batch processing of signal samples
US6490628B2 (en) * 1998-09-25 2002-12-03 Intel Corporation Modem using a digital signal processor and a signal based command set
US6502138B2 (en) * 1998-09-25 2002-12-31 Intel Corporation Modem with code execution adapted to symbol rate
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
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US7088784B2 (en) * 2003-10-02 2006-08-08 Nokia Corporation Coded modulation for partially coherent systems

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

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