DE3689733D1 - Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz. - Google Patents

Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz.

Info

Publication number
DE3689733D1
DE3689733D1 DE86303165T DE3689733T DE3689733D1 DE 3689733 D1 DE3689733 D1 DE 3689733D1 DE 86303165 T DE86303165 T DE 86303165T DE 3689733 T DE3689733 T DE 3689733T DE 3689733 D1 DE3689733 D1 DE 3689733D1
Authority
DE
Germany
Prior art keywords
dimensional
dimensional constellation
reduced
subsets
minimum distance
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
DE86303165T
Other languages
English (en)
Other versions
DE3689733T2 (de
Inventor
Lee-Fang Wei
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.)
Cif Licensing Princeton Nj Us LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24922487&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3689733(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Codex Corp filed Critical Codex Corp
Publication of DE3689733D1 publication Critical patent/DE3689733D1/de
Application granted granted Critical
Publication of DE3689733T2 publication Critical patent/DE3689733T2/de
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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H04L1/0058—Block-coded modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
DE3689733T 1985-04-25 1986-04-25 Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz. Expired - Lifetime DE3689733T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/727,398 US4713817A (en) 1985-04-25 1985-04-25 Multidimensional, convolutionally coded communication systems

Publications (2)

Publication Number Publication Date
DE3689733D1 true DE3689733D1 (de) 1994-04-28
DE3689733T2 DE3689733T2 (de) 1994-08-04

Family

ID=24922487

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3689733T Expired - Lifetime DE3689733T2 (de) 1985-04-25 1986-04-25 Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz.
DE3650757T Expired - Lifetime DE3650757T2 (de) 1985-04-25 1986-04-25 Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3650757T Expired - Lifetime DE3650757T2 (de) 1985-04-25 1986-04-25 Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz

Country Status (7)

Country Link
US (1) US4713817A (de)
EP (2) EP0523816B1 (de)
JP (1) JPH0810880B2 (de)
AT (2) ATE196576T1 (de)
CA (1) CA1248182A (de)
DE (2) DE3689733T2 (de)
SG (1) SG43143A1 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4833693A (en) * 1985-11-21 1989-05-23 Codex Corporation Coded modulation system using interleaving for decision-feedback equalization
US4823346A (en) * 1986-04-16 1989-04-18 Hitachi, Ltd. Maximum likelihood decoder
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
US4894844A (en) * 1987-06-12 1990-01-16 Codex Corporation Signal constellations
DE3730547A1 (de) * 1987-09-11 1989-03-23 Ant Nachrichtentech Verfahren zur aufbereitung von daten
US4891806A (en) * 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US5117427A (en) * 1988-03-03 1992-05-26 Mitsubishi Denki Kabushiki Kaisha Communication system with concatenated coding error correction
US4809300A (en) * 1988-04-05 1989-02-28 General Datacomm, Inc. Branch metric algorithm for eight-dimensional signal constellation
US4959842A (en) * 1988-04-13 1990-09-25 Codex Corporation Signal constellations
US4993046A (en) * 1988-06-24 1991-02-12 Nippon Telegraph And Telephone Corporation Coded modulation communication system
US4980897A (en) * 1988-08-12 1990-12-25 Telebit Corporation Multi-channel trellis encoder/decoder
NL8821045A (nl) * 1988-10-21 1990-10-01 Krasnyansky Nikolai I Slijpinrichting voor spiraalvormig gegroefd gereedschap.
US5034967A (en) * 1988-11-14 1991-07-23 Datapoint Corporation Metastable-free digital synchronizer with low phase error
US5008879B1 (en) * 1988-11-14 2000-05-30 Datapoint Corp Lan with interoperative multiple operational capabilities
US5050189A (en) * 1988-11-14 1991-09-17 Datapoint Corporation Multibit amplitude and phase modulation transceiver for LAN
US5048014A (en) * 1988-12-30 1991-09-10 Datapoint Corporation Dynamic network reconfiguration technique for directed-token expanded-address LAN
US4941154A (en) * 1989-05-30 1990-07-10 At&T Bell Laboratories Trellis coding method and arrangement for fractional bit rates
US5056112A (en) * 1989-07-28 1991-10-08 At&T Bell Laboratories Interleaving in coded modulation for mobile radio
US5029185A (en) * 1989-07-28 1991-07-02 At&T Bell Laboratories Coded modulation for mobile radio
US5077741A (en) * 1989-12-05 1991-12-31 Motorola, Inc. Data throughput enhancement
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
US5214672A (en) * 1990-04-06 1993-05-25 Codex Corporation Trellis precoding for fractional bits/baud
GB9008613D0 (en) * 1990-04-17 1990-06-13 Marconi Gec Ltd Reducing interference in r.f.signals
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
US5048056A (en) * 1990-06-08 1991-09-10 General Datacomm, Inc. Method and apparatus for mapping an eight dimensional constellation of a convolutionally coded communication system
US5017883A (en) * 1990-07-31 1991-05-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multiple symbol differential detection
US5115453A (en) * 1990-10-01 1992-05-19 At&T Bell Laboratories Technique for designing a multidimensional signaling scheme
FR2672755B1 (fr) * 1991-02-12 1993-05-07 Thomson Csf Procede de codage en binaire des points d'une constellation utilisee dans une modulation multiporteuse de type ofdm.
EP0577670A1 (de) * 1991-03-28 1994-01-12 BRITISH TELECOMMUNICATIONS public limited company Rahmensynchronisierung für QAM
JP3253958B2 (ja) * 1991-03-28 2002-02-04 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 信号および星座成形を構成する分数のビット速度に関する機構
USRE37802E1 (en) 1992-03-31 2002-07-23 Wi-Lan Inc. Multicode direct sequence spread spectrum
EP0596648A1 (de) 1992-11-02 1994-05-11 National Semiconductor Corporation Erkennung du Fähigkeiten eines Netzendpunkts
USRE39395E1 (en) 1992-11-02 2006-11-14 Negotiated Data Solutions Llc Data communication network with transfer port, cascade port and/or frame synchronizing signal
USRE39116E1 (en) 1992-11-02 2006-06-06 Negotiated Data Solutions Llc Network link detection and generation
US5428631A (en) * 1993-02-01 1995-06-27 Qualcomm Incorporated Method and apparatus for resolving phase ambiguities in trellis coded modulated data
US5588028A (en) * 1993-02-02 1996-12-24 U.S. Robotics Simplified trellis decoder
US5418798A (en) * 1993-04-09 1995-05-23 At&T Corp. Multidimensional trellis-coded communication system
US5548615A (en) * 1993-05-03 1996-08-20 At&T Corp. Methods and apparatus for rotationally invariant multilevel coding
FR2716588B1 (fr) * 1994-02-18 1996-03-29 Alcatel Telspace Système de codage convolutionnel et de décodage de viterbi transparent aux sauts de phase de pi et pi/2, applicable notamment aux transmissions AMRT.
EP0677967A3 (de) * 1994-04-12 1997-07-23 Gold Star Co Viterbi-Dekoder für hochauflösendes Fernsehen.
US5486825A (en) * 1994-04-20 1996-01-23 General Datacomm, Inc. Convolutional encoders for modems which implement the "Cole code"
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
US6173014B1 (en) 1994-08-02 2001-01-09 Telefonaktiebolaget Lm Ericsson Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
US5754600A (en) * 1994-08-29 1998-05-19 Motorola, Inc. Method and apparatus for optimum soft-decision viterbi decoding of convolutional-differential encoded QPSK data in coherent detection
US5659578A (en) * 1994-11-23 1997-08-19 At&T Wireless Services, Inc. High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio
US5675590A (en) * 1994-11-23 1997-10-07 At&T Wireless Services, Inc. Cyclic trellis coded modulation
US6889356B1 (en) * 1994-11-23 2005-05-03 Cingular Wireless Ii, Llc Cyclic trellis coded modulation
US5841796A (en) * 1995-03-14 1998-11-24 Comsat Corporation Apparatus and method for calculating viterbi path metric using exponentially-weighted moving average
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
US5796788A (en) * 1996-04-19 1998-08-18 Ericsson Inc. Method and apparatus for interference decorrelation in time and space
US6192068B1 (en) 1996-10-03 2001-02-20 Wi-Lan Inc. Multicode spread spectrum communications system
US5864545A (en) * 1996-12-06 1999-01-26 Altocom, Inc. System and method for improving convergence during modem training and reducing computational load during steady-state modem operations
US20010028630A1 (en) * 1998-11-09 2001-10-11 Doron Burshtein Methods and apparatus for robust and low-complexity QAM modulation
US6392500B1 (en) 1999-04-27 2002-05-21 Sicom, Inc. Rotationally invariant digital communications
US6470192B1 (en) 1999-08-16 2002-10-22 Telefonaktiebolaget Lm Ericcson (Publ) Method of an apparatus for beam reduction and combining in a radio communications system
EP1113580B1 (de) * 1999-12-28 2015-02-25 Hitachi Kokusai Electric Inc. Koder mit Fehlerkorrektur, Dekoder mit Fehlerkorrektur sowie Datenübertragungsapparat der Koder und Dekoder anwendet
US6418170B1 (en) * 2000-02-07 2002-07-09 Motorola, Inc. Method and apparatus for achieving 180° phase invariant transmission in a PCM modem system
WO2001065735A1 (en) * 2000-02-28 2001-09-07 University Of Maryland Baltimore County Error mitigation system using line coding for optical wdm communications
KR20010094694A (ko) * 2000-04-06 2001-11-01 윤종용 티시엠 복호장치 및 방법
WO2001078241A2 (en) * 2000-04-06 2001-10-18 Lucent Technologies Inc. Upstream data transmission
US6700928B1 (en) * 2000-05-11 2004-03-02 The Boeing Company Tetrahedron modem
US6591395B1 (en) * 2000-06-18 2003-07-08 Silicon Integrated Systems Corporation Memory reduction techniques in a viterbi decoder
US6834278B2 (en) * 2001-04-05 2004-12-21 Thothe Technologies Private Limited Transformation-based method for indexing high-dimensional data for nearest neighbour queries
AU2003259967A1 (en) * 2002-08-20 2004-03-11 Globespanvirata Incorporated Method and apparatus for generating a 64 state 4-d trellis code in dmt
US7003716B2 (en) * 2002-12-26 2006-02-21 Zydas Technology Corp. Method and apparatus for using multi-dimensional trellis codes over multi-path channels
US7613985B2 (en) * 2003-10-24 2009-11-03 Ikanos Communications, Inc. Hierarchical trellis coded modulation
US20050204258A1 (en) * 2004-02-13 2005-09-15 Broadcom Corporation Encoding system and method for a transmitter in wireless communications
US7673213B2 (en) * 2004-02-19 2010-03-02 Trellisware Technologies, Inc. Method and apparatus for communications using improved turbo like codes
US7958425B2 (en) * 2004-02-19 2011-06-07 Trelliware Technologies, Inc. Method and apparatus for communications using turbo like codes
US20060045196A1 (en) * 2004-09-02 2006-03-02 Tony Reid Reduced state sequence estimator using multi-dimensional set partitioning
US8098773B1 (en) 2005-09-19 2012-01-17 Piesinger Gregory H Communication method and apparatus
US8077790B2 (en) * 2007-10-23 2011-12-13 Eric Morgan Dowling Tiled-building-block trellis encoders
US20090135946A1 (en) * 2007-11-26 2009-05-28 Eric Morgan Dowling Tiled-building-block trellis decoders
US8442163B2 (en) * 2009-08-24 2013-05-14 Eric Morgan Dowling List-viterbi hard iterative decoder for multilevel codes
US8532229B2 (en) * 2009-08-24 2013-09-10 Trellis Phase Communications, Lp Hard iterative decoder for multilevel codes
US9116826B2 (en) 2010-09-10 2015-08-25 Trellis Phase Communications, Lp Encoding and decoding using constrained interleaving
US9240808B2 (en) 2010-09-10 2016-01-19 Trellis Phase Communications, Lp Methods, apparatus, and systems for coding with constrained interleaving
US8532209B2 (en) 2010-11-24 2013-09-10 Trellis Phase Communications, Lp Methods, apparatus, and systems for coding with constrained interleaving
US9362955B2 (en) 2010-09-10 2016-06-07 Trellis Phase Communications, Lp Encoding and decoding using constrained interleaving
US9112534B2 (en) 2010-09-10 2015-08-18 Trellis Phase Communications, Lp Methods, apparatus, and systems for coding with constrained interleaving
US9118350B2 (en) 2010-09-10 2015-08-25 Trellis Phase Communications, Lp Methods, apparatus, and systems for coding with constrained interleaving
US8537919B2 (en) 2010-09-10 2013-09-17 Trellis Phase Communications, Lp Encoding and decoding using constrained interleaving
US8762706B2 (en) * 2011-04-11 2014-06-24 International Business Machines Corporation Computer systems, methods and program product for multi-level communications
CN103427931B (zh) * 2012-05-14 2017-06-06 华为技术有限公司 解调数据的方法及设备
US9564927B2 (en) 2015-05-27 2017-02-07 John P Fonseka Constrained interleaving for 5G wireless and optical transport networks
CN112215330A (zh) * 2019-07-09 2021-01-12 杭州海康威视数字技术股份有限公司 基于神经网络的卷积方法及装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887768A (en) * 1971-09-14 1975-06-03 Codex Corp Signal structures for double side band-quadrature carrier modulation
CH609510A5 (de) * 1976-06-18 1979-02-28 Ibm
US4084137A (en) * 1976-08-24 1978-04-11 Communications Satellite Corporation Multidimensional code communication systems
US4072021A (en) * 1976-11-02 1978-02-07 Tekken Construction Co. Ltd. Method of driving and forming a tunnel with hydraulic boring machine
JPS5650652A (en) * 1979-07-31 1981-05-07 Nec Corp Digital signal transmission system via multiphase/ multivalue modulation wave
GB2088676B (en) * 1980-11-14 1985-09-04 Plessey Co Ltd Transmission systems
US4457004A (en) * 1982-02-08 1984-06-26 Bell Telephone Laboratories, Incorporated Multidimensional channel coding
US4494239A (en) * 1982-05-26 1985-01-15 At&T Bell Laboratories Frame synchronization and phase ambiguity resolution in QAM transmission systems
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
US4520490A (en) * 1983-08-05 1985-05-28 At&T Information Systems Inc. Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets
US4583236A (en) * 1983-11-04 1986-04-15 Racal Data Communications Inc. Modified absolute phase detector
US4601044A (en) * 1983-11-04 1986-07-15 Racal Data Communications Inc. Carrier-phase adjustment using absolute phase detector
US4586182A (en) * 1984-02-06 1986-04-29 Codex Corporation Source coded modulation system
US4581601A (en) * 1984-06-25 1986-04-08 At&T Bell Laboratories Multi-dimensional coding for error reduction

Also Published As

Publication number Publication date
EP0200505B1 (de) 1994-03-23
CA1248182A (en) 1989-01-03
EP0200505A3 (en) 1988-09-14
DE3650757D1 (de) 2001-07-05
DE3689733T2 (de) 1994-08-04
ATE103437T1 (de) 1994-04-15
EP0523816B1 (de) 2000-09-20
EP0200505A2 (de) 1986-11-05
DE3650757T2 (de) 2001-10-11
SG43143A1 (en) 1997-10-17
JPH0810880B2 (ja) 1996-01-31
JPS61248645A (ja) 1986-11-05
ATE196576T1 (de) 2000-10-15
EP0523816A2 (de) 1993-01-20
EP0523816A3 (en) 1995-07-19
US4713817A (en) 1987-12-15

Similar Documents

Publication Publication Date Title
DE3650757D1 (de) Gerät zur Übertragung von Datenbitgruppen und Verfahren zur Beurteilung der mit der grössten Wahrscheinlichkeit übertragenen Sequenz
EP0808028B1 (de) Pulsmodulationsverfahren, pulsmodulator und pulsdemodulator
US4346473A (en) Error correction coding method and apparatus for multilevel signaling
DE3578787D1 (de) Kodiertes modulationssystem.
KR920011266A (ko) 디지탈 송수신 방법 및 장치
TW232112B (en) Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes
CA2074595A1 (en) Method and apparatus for using orthogonal coding in a communication system
KR960016576A (ko) 엔(n) 차원 트렐리스 부호 변조 방법, 신호 엔코딩 방법, 엔(n) 차원 트렐리스 부호 변조기, 신호 엔코딩 장치, 신호 송신 장치, 신호 처리 방법 및 신호 송신 방법
ES2126877T3 (es) Metodo de conversion de una serie de palabras de informacion en una señal modulada, metodo de produccion de un soporte de grabacion, dispositivo de codificacion, dispositivo de decodificado, dispositivo de grabacion, dispositivo de lectura, asi como un soporte de grabacion.
TW343410B (en) Method and apparatus for detecting communication signals having unequal error protection
WO1999005797A3 (en) Communication system and method with orthogonal block encoding
RU2000104503A (ru) Кодирование множественного доступа с использованием свернутых последовательностей для систем подвижной радиосвязи
NO942534D0 (no) Trellis-kodet modulasjonsmetode med liten omhyllingsvariasjon for mobilradio
EP0282298A3 (de) Verfahren und Einrichtung zum Kombinieren von Kodierung und Modulation
CA2266372A1 (en) System for digital information transmission, with associated methods and devices
YU62187A (en) Device for decoding m-byte coded words to n-byte data words
EP0827309A3 (de) Kodierte Modulation mit Wiederholungs- und Baumkoden
AU2002230018A1 (en) Method and system for allocating convolutional encoded bits into symbols before modulation
ATE253794T1 (de) Kodierung/dekodierung von zusätzlichen symbolen in einem kommunikationssystem
RU98103456A (ru) Система передачи и хранения сжатой информации
KR860003715A (ko) 정보 전송방법 및 엔코딩, 디코딩장치
KR890009136A (ko) 로란-C(Loran-C)항해 신호 방송과 항로 오차 및 공간파 항로 위치 오차를 감소시키기 위한 메세지 교신용 장치 및 그 방법
CN1365542A (zh) 信息编码的方法和装置,编码信息的解码方法和装置,记录介质的制造方法,记录介质和调制信号
RU2189058C1 (ru) Цифровой канал связи телеметрической сейсморегистрирующей аппаратуры
JPS60167550A (ja) 符号変換装置

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA INC.(N.D.GES.D. STAATES DELAWARE), SCHAUM

8327 Change in the person/name/address of the patent owner

Owner name: GENERAL ELECTRIC CAPITAL CORP. (N.D.GES.D. STAATES

8327 Change in the person/name/address of the patent owner

Owner name: CIF LICENSING, LLC, PRINCETON, N.J., US

8310 Action for declaration of annulment
8328 Change in the person/name/address of the agent

Representative=s name: COHAUSZ & FLORACK, 40211 DUESSELDORF