SG43143A1 - Apparatus for transmitting streams of information bits and methods for estimating most likely sequence sent - Google Patents

Apparatus for transmitting streams of information bits and methods for estimating most likely sequence sent

Info

Publication number
SG43143A1
SG43143A1 SG1996004345A SG1996004345A SG43143A1 SG 43143 A1 SG43143 A1 SG 43143A1 SG 1996004345 A SG1996004345 A SG 1996004345A SG 1996004345 A SG1996004345 A SG 1996004345A SG 43143 A1 SG43143 A1 SG 43143A1
Authority
SG
Singapore
Prior art keywords
dimensional
dimensional constellation
information bits
reduced
subsets
Prior art date
Application number
SG1996004345A
Other languages
English (en)
Inventor
Lee-Fang Wei
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
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=SG43143(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of SG43143A1 publication Critical patent/SG43143A1/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
SG1996004345A 1985-04-25 1986-04-25 Apparatus for transmitting streams of information bits and methods for estimating most likely sequence sent SG43143A1 (en)

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 (1)

Publication Number Publication Date
SG43143A1 true SG43143A1 (en) 1997-10-17

Family

ID=24922487

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996004345A SG43143A1 (en) 1985-04-25 1986-04-25 Apparatus for transmitting streams of information bits and methods for estimating most likely sequence sent

Country Status (7)

Country Link
US (1) US4713817A (fr)
EP (2) EP0523816B1 (fr)
JP (1) JPH0810880B2 (fr)
AT (2) ATE103437T1 (fr)
CA (1) CA1248182A (fr)
DE (2) DE3650757T2 (fr)
SG (1) SG43143A1 (fr)

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Also Published As

Publication number Publication date
JPS61248645A (ja) 1986-11-05
DE3689733T2 (de) 1994-08-04
JPH0810880B2 (ja) 1996-01-31
US4713817A (en) 1987-12-15
EP0523816B1 (fr) 2000-09-20
EP0200505B1 (fr) 1994-03-23
ATE103437T1 (de) 1994-04-15
EP0200505A3 (en) 1988-09-14
DE3689733D1 (de) 1994-04-28
EP0200505A2 (fr) 1986-11-05
DE3650757T2 (de) 2001-10-11
ATE196576T1 (de) 2000-10-15
CA1248182A (fr) 1989-01-03
EP0523816A3 (en) 1995-07-19
DE3650757D1 (de) 2001-07-05
EP0523816A2 (fr) 1993-01-20

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