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Associated article: Convolutional Error-Control Codes

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Published source code accompanying the article by Hugo Lyppens in which he discusses convolutional codes-- error-correction codes which can encode an unlimited number of message symbols into one codeword and support "soft- decision" decoding. Hugo presents a C++ template class which implements both the encoder and decoder. Also see ERROR.ZIP.

					Convolutional Error Codes
by Hugo Lyppens



Listing One
template<int N_IN, int K_IN, int CL_IN, int NMSGGRPSYMBOLS_IN>
void
ConvolutionalCodec<N_IN, K_IN, CL_IN, NMSGGRPSYMBOLS_IN>::encode(
    const UBYTE * const  message,
    ...
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