ENCODING DEVICE AND DECODING DEVICE
申请公布号:WO2009016825(A1)
申请号:WO2008JP02021
申请日期:2008.07.29
申请公布日期:2009.02.05
发明人:OKAMURA, SHUTAI;ORIHASHI, MASAYUKI;SUMASU, ATSUSHI
分类号:H03M13/27;H03M13/19;H04L1/00
主分类号:H03M13/27
摘要:Disclosed are an encoding device and a decoding device which can effectively reduce the decoding failure frequency in LDPC encoding/decoding. A loss correction encoding device (120) includes a padding unit (121) which adds a padding packet to an information packet sequence; an interleave unit (122) which rearranges the padding packet and the information packet; and a loss correction encoding unit (123) which performs loss correction encoding for the packet string after the interleave. The interleave unit (122) rearranges the padding packet and the information packet according to variable nodes constituting a minimum stopping set of the inspection matrix which defines a low-density parity inspection code. The interleave unit (122) uses such a rearrangement pattern that avoids a loss correction failure by the minimum stopping set of the LDPC inspection matrix so as to reduce the probability of the loss correction failure by the minimum stopping set.
VOICE RECOGNITION FOR INFORMATION SYSTEM ACCESS AND TRANSACTION PROCESSING
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