SG22894G - Trellis coding method and arrangement for fractional bit rates - Google Patents

Trellis coding method and arrangement for fractional bit rates

Info

Publication number
SG22894G
SG22894G SG22894A SG22894A SG22894G SG 22894 G SG22894 G SG 22894G SG 22894 A SG22894 A SG 22894A SG 22894 A SG22894 A SG 22894A SG 22894 G SG22894 G SG 22894G
Authority
SG
Singapore
Prior art keywords
arrangement
coding method
bit rates
trellis coding
fractional bit
Prior art date
Application number
SG22894A
Other languages
English (en)
Inventor
Lee-Fang Wei
Original Assignee
At & T 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=26663878&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG22894(G) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to US07/358,221 priority Critical patent/US4941154A/en
Priority to FR9006370A priority patent/FR2647990A1/fr
Priority to GB9011555A priority patent/GB2233862B/en
Priority to JP2138654A priority patent/JPH0834443B2/ja
Application filed by At & T Corp filed Critical At & T Corp
Priority to SG22894A priority patent/SG22894G/en
Priority to HK105394A priority patent/HK105394A/xx
Publication of SG22894G publication Critical patent/SG22894G/en

Links

Classifications

    • 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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3477—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by using the outer points of the constellation or of the constituent two-dimensional constellations
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
SG22894A 1989-05-30 1994-02-07 Trellis coding method and arrangement for fractional bit rates SG22894G (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US07/358,221 US4941154A (en) 1989-05-30 1989-05-30 Trellis coding method and arrangement for fractional bit rates
FR9006370A FR2647990A1 (fr) 1989-05-30 1990-05-22 Procede et dispositif de codage en treillis pour des taux d'emission fractionnaires
GB9011555A GB2233862B (en) 1989-05-30 1990-05-23 Trellis coding method and arrangement for fractional bit rates
JP2138654A JPH0834443B2 (ja) 1989-05-30 1990-05-30 端数ビットレートのためのトレリス符号化方法および装置
SG22894A SG22894G (en) 1989-05-30 1994-02-07 Trellis coding method and arrangement for fractional bit rates
HK105394A HK105394A (en) 1989-05-30 1994-09-29 Trellis coding method and arrangement for fractional bit rates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/358,221 US4941154A (en) 1989-05-30 1989-05-30 Trellis coding method and arrangement for fractional bit rates
SG22894A SG22894G (en) 1989-05-30 1994-02-07 Trellis coding method and arrangement for fractional bit rates

Publications (1)

Publication Number Publication Date
SG22894G true SG22894G (en) 1995-03-17

Family

ID=26663878

Family Applications (1)

Application Number Title Priority Date Filing Date
SG22894A SG22894G (en) 1989-05-30 1994-02-07 Trellis coding method and arrangement for fractional bit rates

Country Status (6)

Country Link
US (1) US4941154A (zh)
JP (1) JPH0834443B2 (zh)
FR (1) FR2647990A1 (zh)
GB (1) GB2233862B (zh)
HK (1) HK105394A (zh)
SG (1) SG22894G (zh)

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Also Published As

Publication number Publication date
GB9011555D0 (en) 1990-07-11
GB2233862B (en) 1993-11-17
HK105394A (en) 1994-10-07
FR2647990B1 (zh) 1995-01-06
JPH0311829A (ja) 1991-01-21
JPH0834443B2 (ja) 1996-03-29
GB2233862A (en) 1991-01-16
US4941154A (en) 1990-07-10
FR2647990A1 (fr) 1990-12-07

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