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Efficient LDPC code decoding with new minus operator in a finite precision radix system
Efficient LDPC code decoding with new minus operator in a finite precision radix system
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机译:在有限精度基数系统中使用新的负运算符进行有效的LDPC码解码
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摘要
Efficient LDPC code decoding with new minus operator in a finite precision radix system. A new mathematical operator is introduced and applied to the decoding of LDPC coded signals. This new operator is referred to as the min†− (min-dagger minus) operator herein. This min†− processing is appropriately applied during the updating of the edge messages with respect to the variable nodes. In a bit level decoding approach to decoding LDPC coded signals, the updating of the edge messages with respect to the bit nodes is performed using the new min†− operator. This approach provides very comparable performance to min** processing as also applied to updating of the edge messages with respect to the bit nodes and may also provide for a significant savings in hardware. Also, within finite precision radix systems, the new min†− operator provides a means by which always meaningful results may be achieved during the decoding processing.
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