Iterative detection and decoding device for selecting soft information according to at least one predetermined constraint rule, and related iterative detection and decoding method
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United States of America Patent
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Aug 12, 2014
Grant Date -
Apr 4, 2013
app pub date -
Oct 4, 2011
filing date -
Oct 4, 2011
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Abstract
An iterative detection and decoding device includes a signal detector, an error-correction decoder and an SI selector. The signal detector is utilized for generating a set of soft information (SI). The error-correction decoder is coupled to the signal detector, for iteratively decoding the set of SI and accordingly updating the set of SI to generate a set of updated SI. The SI selector is coupled between the signal detector and the error-correction decoder, for selecting at least one SI from the set of updated SI when each SI satisfies at least one predetermined constraint rule. The signal detector further selectively generates a new set of SI according to a selection result generated from the SI selector.
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