发明名称 PERMUTATION OF LDPC CODED BITS TO BE APPLIED BEFORE QAM CONSTELLATION MAPPING
摘要 The present invention relates to a method for processing digital signals and to a transmission/reception system implementing said method; the present invention is based on the use of LDPC codes, in particular the LDPC code of the DVB-S2 standard, in combination with a QAM modulation, in particular the 1024QAM and 4096QAM modulations; in transmission, a bit permutation (Demux) is carried out prior to the QAM constellation mapping function; in reception, the bit permutation is carried out after the QAM constellation demapping function.
申请公布号 HK1155588(A1) 申请公布日期 2014.02.21
申请号 HK20110109735 申请日期 2011.09.15
申请人 RAI RADIOTELEVISIONE ITALIANA S.P.A. 发明人 VITALE, GIOVANNI;MIGNONE, VITTORIA
分类号 H04L;H03M 主分类号 H04L
代理机构 代理人
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