Methods and Systems for Error-Correction in Convolutional and Systematic Convolutional Decoders in Galois Configuration
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United States of America Patent
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Issued Date -
Nov 25, 2010
app pub date -
May 5, 2010
filing date -
May 21, 2009
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Abandoned
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Abstract
Convolutional coders having an n-state with n≧2 Linear Feedback Shift Registers (LFSR) in Galois configuration with k shift register elements with k>1 are provided. Corresponding decoders are also provided. A convolutional coder generates a sequence of coded n-state symbols. A content of a starting position of an LFSR in a decoder is determined when sufficient error free coded symbols are available. Up to k symbols in error are corrected. A systematic convolutional coder and decoder are also provided.
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