Turbo Codes Extended with Outer BCH Code

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    The "error floor" observed in several simulations with the turbo codes is verified by calculation of an upper bound to the bit error rate for the ensemble of all interleavers. Also an easy way to calculate the weight enumerator used in this bound is presented. An extended coding scheme is proposed including an outer BCH code correcting a few bit errors.
    Original languageEnglish
    JournalElectronics Letters
    Issue number22
    Pages (from-to)2059-2060
    Publication statusPublished - 1996

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