CA2092608A1 - Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples - Google Patents

Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples

Info

Publication number
CA2092608A1
CA2092608A1 CA 2092608 CA2092608A CA2092608A1 CA 2092608 A1 CA2092608 A1 CA 2092608A1 CA 2092608 CA2092608 CA 2092608 CA 2092608 A CA2092608 A CA 2092608A CA 2092608 A1 CA2092608 A1 CA 2092608A1
Authority
CA
Canada
Prior art keywords
decoder
modulation
coded
look
mapper
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
CA 2092608
Other languages
English (en)
Inventor
Naim Batani
Francois Gagnon
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2092608 priority Critical patent/CA2092608A1/fr
Publication of CA2092608A1 publication Critical patent/CA2092608A1/fr
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
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
CA 2092608 1993-03-12 1993-03-12 Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples Abandoned CA2092608A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2092608 CA2092608A1 (fr) 1993-03-12 1993-03-12 Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2092608 CA2092608A1 (fr) 1993-03-12 1993-03-12 Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples

Publications (1)

Publication Number Publication Date
CA2092608A1 true CA2092608A1 (fr) 1994-09-13

Family

ID=4151358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2092608 Abandoned CA2092608A1 (fr) 1993-03-12 1993-03-12 Methode de modulation d'amplitude en quadrature m-aire a codage en treillis utilisant un debit 1/2 standard pur decodeur de viterbi avec des circuits logiques additionnels simples

Country Status (1)

Country Link
CA (1) CA2092608A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997048191A1 (fr) * 1996-06-13 1997-12-18 Broadband Networks Inc. Systeme de distribution sans fil large zone
WO1999056442A2 (fr) * 1998-04-28 1999-11-04 Ericsson Inc. Emetteur-recepteur pour modulation par deplacement minimal gaussien (gmsk) et modulation d'amplitude en quadrature (maq) decalee
CN105553610A (zh) * 2015-12-09 2016-05-04 中国地质大学（武汉） 适用于无线传感器网络的三维64qam网格编码调制方法及系统

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
WO1997048191A1 (fr) * 1996-06-13 1997-12-18 Broadband Networks Inc. Systeme de distribution sans fil large zone
WO1999056442A2 (fr) * 1998-04-28 1999-11-04 Ericsson Inc. Emetteur-recepteur pour modulation par deplacement minimal gaussien (gmsk) et modulation d'amplitude en quadrature (maq) decalee
WO1999056442A3 (fr) * 1998-04-28 2000-02-17 Ericsson Inc Emetteur-recepteur pour modulation par deplacement minimal gaussien (gmsk) et modulation d'amplitude en quadrature (maq) decalee
EP1333634A1 (fr) * 1998-04-28 2003-08-06 Ericsson Inc. Récepteur pour des modulations de type GMSK et offset-QAM utilisant un décodeur de Viterbi
CN105553610A (zh) * 2015-12-09 2016-05-04 中国地质大学（武汉） 适用于无线传感器网络的三维64qam网格编码调制方法及系统
CN105553610B (zh) * 2015-12-09 2019-01-01 中国地质大学（武汉） 适用于无线传感器网络的三维64qam网格编码调制方法及系统

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead