Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03M
CODING; DECODING; CODE CONVERSION IN GENERAL
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13/00
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
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H03M13/03
Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
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H03M13/05
using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
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H03M13/15
Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
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H03M13/151
using error location or error correction polynomials
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H03M13/156
Encoding or decoding using time-frequency transformations, e.g. fast Fourier transformation
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