3,843 research outputs found

    Systematic redundant residue number system codes: analytical upper bound and iterative decoding performance over AWGN and Rayleigh channels

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    The novel family of redundant residue number system (RRNS) codes is studied. RRNS codes constitute maximum–minimum distance block codes, exhibiting identical distance properties to Reed–Solomon codes. Binary to RRNS symbol-mapping methods are proposed, in order to implement both systematic and nonsystematic RRNS codes. Furthermore, the upper-bound performance of systematic RRNS codes is investigated, when maximum-likelihood (ML) soft decoding is invoked. The classic Chase algorithm achieving near-ML soft decoding is introduced for the first time for RRNS codes, in order to decrease the complexity of the ML soft decoding. Furthermore, the modified Chase algorithm is employed to accept soft inputs, as well as to provide soft outputs, assisting in the turbo decoding of RRNS codes by using the soft-input/soft-output Chase algorithm. Index Terms—Redundant residue number system (RRNS), residue number system (RNS), turbo detection

    T.H. Green on property rights

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    book chapterPublished.Darin R. Nesbitt (Douglas College Faculty) contributed the chapter, "T.H. Green on property rights" (1st ed. 2005)

    T.H. Huxley: The Agnostic

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    The author offers a biographical sketch of T.H. Huxley, known as Darwin\u27s Bulldog, his stance on evolution and religion, including an exposition of agnostic philosophy

    Iterative Decoding of Redundant Residue Number System Codes

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    Turbo decoded Redundant Residue Number System (RRNS) codes are proposed and their performance is evaluated. An RRNS (n,k)(n,k) code is a maximum-minimum distance block code, exhibiting identical distance properties to Reed-Solomon (RS) codes. Hence their error correction capability is given by t=(nk)/2t = (n - k)/2. We adapt the classic Chase algorithm in order to accept soft inputs and to provide soft outputs. Using the proposed soft input soft output (SISO) Chase algorithm, the turbo decoding of RRNS codes is contrived
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