- 专利标题： Modulator and modulation method using non-uniform 16-symbol signal constellation for low-density parity check codeword having 4/15 code rate
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申请号： US18364421申请日： 2023-08-02
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公开(公告)号： US12095477B2公开(公告)日： 2024-09-17
- 发明人: Sung-Ik Park , Sun-Hyoung Kwon , Jae-Young Lee , Heung-Mook Kim , Nam-Ho Hur
- 申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- 申请人地址： KR Daejeon
- 专利权人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- 当前专利权人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- 当前专利权人地址： KR Daejeon
- 优先权： KR 20140016865 2014.02.13 KR 20150017770 2015.02.05
- 主分类号： H03M13/11
- IPC分类号： H03M13/11 ; H03M13/00 ; H03M13/25 ; H03M13/27 ; H04L1/00 ; H04L27/34
摘要：
A modulator and a modulation method using a non-uniform 16-symbol signal constellation are disclosed. The modulator includes a memory and a processor. The memory receives a codeword corresponding to a low-density parity check (LDPC) code having a code rate of 4/15. The processor maps the codeword to 16 symbols of the non-uniform 16-symbol signal constellation on a 4-bit basis.
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