Rate matching for a wireless communications system
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United States of America Patent
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Mar 5, 2013
Grant Date -
Mar 31, 2011
app pub date -
Dec 7, 2010
filing date -
Jul 30, 2007
priority date (Note) -
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Abstract
Apparatuses and methods are provided for generating a plurality of redundancy versions using various rate matching algorithms. In some embodiments, a rate matcher is provided that allocates systematic and parity bits to the redundancy versions in a manner that allows all of these bits to be transmitted in at least one redundancy version. In some embodiments, the rate matcher uses a first puncturing algorithm to generate both a first redundancy version and a third redundancy version, but allocates a different proportion of the systematic bits to these redundancy versions. In these embodiments, the second redundancy version may include only bits that were not transmitted in the first redundancy version.
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