DVB-S2 LDPC decoder using overlapped decoding scheme
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United States of America Patent
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Jan 30, 2018
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app pub date -
Apr 19, 2016
filing date -
Aug 27, 2015
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Abstract
Provided is a low density parity check decoder, which includes a bit node calculating unit configured to calculate a bit node, a check node calculating unit configured to calculate a check node, a control unit configured to control calculation of the bit node and the check node, and a storage unit configured to store calculation values of the bit node or the check node, wherein the control unit calculates the bit node or the check node so that the node calculations are overlapped, by using an address offset value of the storage unit, thereby reducing a decoding time.
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