AU5383698A - Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder - Google Patents

Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder

Info

Publication number
AU5383698A
AU5383698A AU53836/98A AU5383698A AU5383698A AU 5383698 A AU5383698 A AU 5383698A AU 53836/98 A AU53836/98 A AU 53836/98A AU 5383698 A AU5383698 A AU 5383698A AU 5383698 A AU5383698 A AU 5383698A
Authority
AU
Australia
Prior art keywords
rate
mask
convolutional encoder
coded modulation
trellis coded
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
AU53836/98A
Inventor
Jack K Wolf
Ephraim Zehavi
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU5383698A publication Critical patent/AU5383698A/en
Abandoned 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
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-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
    • 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
    • H03M13/37—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
    • H03M13/3961—Arrangements of methods for branch or transition metric calculation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
AU53836/98A 1996-12-17 1997-12-11 Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder Abandoned AU5383698A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76765096A 1996-12-17 1996-12-17
US767650 1996-12-17
PCT/US1997/023194 WO1998027700A1 (en) 1996-12-17 1997-12-11 Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder

Publications (1)

Publication Number Publication Date
AU5383698A true AU5383698A (en) 1998-07-15

Family

ID=25080141

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53836/98A Abandoned AU5383698A (en) 1996-12-17 1997-12-11 Rate 2/3 mask trellis coded modulation using rate 1/2 convolutional encoder

Country Status (4)

Country Link
AU (1) AU5383698A (en)
TW (1) TW366637B (en)
WO (1) WO1998027700A1 (en)
ZA (1) ZA9711217B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346473A (en) * 1980-02-26 1982-08-24 Harris Corporation Error correction coding method and apparatus for multilevel signaling
JP2545991B2 (en) * 1989-08-10 1996-10-23 日本電気株式会社 Sub signal transmission method
US5425056A (en) * 1993-03-23 1995-06-13 Motorola, Inc. Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals

Also Published As

Publication number Publication date
TW366637B (en) 1999-08-11
ZA9711217B (en) 1998-09-16
WO1998027700A1 (en) 1998-06-25

Similar Documents

Publication Publication Date Title
AU4503396A (en) Cyclic trellis coded modulation
GB9520445D0 (en) Convolutional codes
AU4100996A (en) Coded two part nipple members
AU1977895A (en) Universal reed-solomon coder/encoder
IL122526A (en) Optimal soft-output decoder for tail-biting trellis codes
EP0619666A3 (en) Rotationally invariant trellis coded modulation system
AU3470997A (en) Variable length coding with error protection
EP0589682A3 (en) Variable length code decoder.
EP0566331A3 (en) Coded modulation using a combination of convolutional and block codes
ZA974043B (en) Variable bit rate encoder.
HK1003696A1 (en) Convolutional decoder.
GB9422907D0 (en) Parameter encoder architecture
EP0654947A4 (en) Encoder and encoding method.
GB2263213B (en) Coded QAM system
GB2274047B (en) Trellis-coded modulation system and convolutional encoder
AU1041097A (en) Encoder, decoder and methods used therefor
AU682128B2 (en) Vector encoding method and encoder/decoder using the method
GB9507010D0 (en) Modulator having improved encoding
AU5521298A (en) Multilevel coding
GB9507903D0 (en) A multilevel trellis coding method
GB2314744B (en) A variable encoding rate puncturing coder
EP0459524A3 (en) Error control coding arrangement for communication using convolutionally encoded qam or psk
EP0661840A3 (en) Viterbi decoder using decreasing length tracebacks.
EP0641087A3 (en) Concatenated Reed-Solomon code and trellis coded modulation.
GB2332838B (en) 7/13 Channel coding and decoding method using RLL (2,25) code