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arxiv: cs/0504032 · v1 · pith:H33XA46Nnew · submitted 2005-04-10 · 💻 cs.IT · math.IT

Critical Point for Maximum Likelihood Decoding of Linear Block Codes

classification 💻 cs.IT math.IT
keywords codescodecriticaldecodingdistancelikelihoodmaximumpoint
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In this letter, the SNR value at which the error performance curve of a soft decision maximum likelihood decoder reaches the slope corresponding to the code minimum distance is determined for a random code. Based on this value, referred to as the critical point, new insight about soft bounded distance decoding of random-like codes (and particularly Reed-Solomon codes) is provided.

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