The authors describe an error-correction coding approach that allows operation in either burst or continuous modes at data rates of multiple hundreds of megabits per second. Bandspreading is low since the code rate is >or=7/8, which is consistent with high-rate link operation. The encoder, along with a hard-decision decoder, fits on a single application-specific integrated circuit (ASIC) chip. Soft-decision decoding is possible utilizing applique hardware in conjunction with the hard-decision decoder. Expected coding gain is a function of the application and is approximately 2.5 dB for hard-decision decoding at 10-5 bit-error rate with phase-shift-keying modulation and additive Gaussian white noise interference. The principal use envisioned for this technique is to achieve a modest amount of coding gain on high-data-rate, bandwidth-constrained channels. Data rates of up to 300 Mb/s can be accommodated by the codec chip. The major objective is burst-mode communications, where code words are composed of 32 n data bits (7


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    Title :

    A forward error correction technique using a high-speed, high-rate single chip codec


    Additional title:

    Eine Fehlerkorrekturmethode unter Verwendung eines einzigen Hochleistungschips zur Codierung und Decodierung


    Contributors:
    Boyd, R.W. (author) / Hartman, W.F. (author) / Jones, R.E. (author)


    Publication date :

    1989


    Size :

    5 Seiten, 2 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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