Method of determining a variable quantization step size for improving channel decoding, method and apparatus of performing channel decoding operation based on a variable quantization step size
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United States of America Patent
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Jul 17, 2012
Grant Date -
Sep 24, 2009
app pub date -
May 17, 2007
filing date -
Sep 25, 2006
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Abstract
A method of determining a variable quantization step size is disclosed. In the method of determining a variable quantization step size, a channel characteristic parameter is obtained in order to calculate a quantization step size (Δ) used in channel decoding. The quantization step size (Δ) is variably determined based on the channel characteristic parameter. Therefore, the method of determining a variable quantization step size may improve channel decoding.
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