METHOD FOR DESCRIBING DEVICES FOR CODING DATA BY NONRECURSIVE CONVOLUTION CODES

The proposed method for describing devices for coding data by nonrecursive convolution codes consists in presenting the input data sequence as polynomials I(x). The coding device is described as a device for multiplying polynomial I(x) by polynomials P1(x), P2(x), ..., Pm(x), which generate convolut...

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Hauptverfasser:	POSTOLNYI OLEKSII SERHIIOVYCH, ZHUCHENKO OLEKSANDR SERHIIOVYCH, PRYKHODKO SERHII IVANOVYCH, HUSIEV SERHII ANATOLIIOVYCH, KUZHEL IHOR YEVHENIIOVYCH, KUZNETSOV OLEKSANDR OLEKSANDROVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY
Online-Zugang:	Volltext bestellen
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Zusammenfassung:	The proposed method for describing devices for coding data by nonrecursive convolution codes consists in presenting the input data sequence as polynomials I(x). The coding device is described as a device for multiplying polynomial I(x) by polynomials P1(x), P2(x), ..., Pm(x), which generate convolution code. The method is distinctive by that the data frames, containing k0 ? 1 symbols, correspond to the symbols from set H ? GF(qm), k0 = \|H\| ? \|GF(q)\|, polynomial P(x) with coefficients from set GF(qm) is used that generates cyclic code (N, K, D) for elements of set GF(qm), and the output sequence is formed by sequentially recording the coefficients of polynomial F(x)=I(x)òP(x).