AU5898098A - System and device for, and method of, communicating according to a composite code - Google Patents

System and device for, and method of, communicating according to a composite code

Info

Publication number
AU5898098A
AU5898098A AU58980/98A AU5898098A AU5898098A AU 5898098 A AU5898098 A AU 5898098A AU 58980/98 A AU58980/98 A AU 58980/98A AU 5898098 A AU5898098 A AU 5898098A AU 5898098 A AU5898098 A AU 5898098A
Authority
AU
Australia
Prior art keywords
composite code
communicating according
communicating
composite
code
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.)
Abandoned
Application number
AU58980/98A
Inventor
George D. Forney
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
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of AU5898098A publication Critical patent/AU5898098A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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]
    • H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
    • 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
    • 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
    • H04L25/4917—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 multilevel codes
    • H04L25/4927—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 multilevel codes using levels matched to the quantisation levels of the channel

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU58980/98A 1997-01-17 1997-12-12 System and device for, and method of, communicating according to a composite code Abandoned AU5898098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78543497A 1997-01-17 1997-01-17
US08785434 1997-01-17
PCT/US1997/022920 WO1998032257A1 (en) 1997-01-17 1997-12-12 System and device for, and method of, communicating according to a composite code

Publications (1)

Publication Number Publication Date
AU5898098A true AU5898098A (en) 1998-08-07

Family

ID=25135509

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58980/98A Abandoned AU5898098A (en) 1997-01-17 1997-12-12 System and device for, and method of, communicating according to a composite code

Country Status (4)

Country Link
EP (1) EP0919087A4 (en)
AU (1) AU5898098A (en)
TW (1) TW371825B (en)
WO (1) WO1998032257A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2317547A1 (en) * 1997-12-29 1999-07-08 Motorola, Inc. System, device and method for pcm upstream transmission utilizing an optimized transmit constellation
EP0977410B1 (en) * 1998-07-30 2003-02-19 Infineon Technologies AG Method for generating PCM code sets
FR2784528A1 (en) * 1998-10-13 2000-04-14 Koninkl Philips Electronics Nv METHOD OF CONSTRUCTING A SET OF CONSTELLATIONS TO BE USED FOR TRANSMITTING DATA BETWEEN A TRANSMITTER AND A RECEIVER
US6414989B1 (en) 1999-09-10 2002-07-02 Conexant Systems, Inc. Upstream PCM transmission for a modem system
US7391816B2 (en) * 2003-09-17 2008-06-24 Intel Corporation Decoding upstream V.92-encoded signals
US8265175B2 (en) 2007-06-05 2012-09-11 Constellation Designs, Inc. Methods and apparatuses for signaling with geometric constellations
EP3982605A1 (en) 2007-06-05 2022-04-13 Constellation Designs, LLC Method and apparatus for signaling with capacity optimized constellations
US9191148B2 (en) 2007-06-05 2015-11-17 Constellation Designs, Inc. Methods and apparatuses for signaling with geometric constellations in a Raleigh fading channel
WO2012125178A1 (en) * 2011-03-15 2012-09-20 Intel Corporation Low memory access motion vector derivation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495619A (en) * 1981-10-23 1985-01-22 At&T Bell Laboratories Transmitter and receivers using resource sharing and coding for increased capacity
US4891806A (en) * 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
US4937844A (en) * 1988-11-03 1990-06-26 Racal Data Communications Inc. Modem with data compression selected constellation
US5343500A (en) * 1991-09-03 1994-08-30 At&T Bell Laboratories Non-linear encoder and decoder for information transmission through non-linear channels
US5544328A (en) * 1991-10-31 1996-08-06 At&T Bell Laboratories Coded modulation with unequal error protection
US5377194A (en) * 1991-12-16 1994-12-27 At&T Corp. Multiplexed coded modulation with unequal error protection
US5363408A (en) * 1992-03-24 1994-11-08 General Instrument Corporation Mode selective quadrature amplitude modulation communication system
US5659579A (en) * 1995-02-01 1997-08-19 Lucent Technologies Inc. Multilevel coding for fractional bits
WO1998025384A2 (en) * 1996-12-04 1998-06-11 Fernway Limited A method for trellis coding a logarithmic distribution of constellation points
US6081555A (en) * 1996-12-04 2000-06-27 Conexant Systems, Inc. Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communications system

Also Published As

Publication number Publication date
WO1998032257A1 (en) 1998-07-23
EP0919087A1 (en) 1999-06-02
TW371825B (en) 1999-10-11
EP0919087A4 (en) 2001-08-16

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