Invention Grant
- Patent Title: 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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Application No.: US16808288Application Date: 2020-03-03
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Publication No.: US11265017B2Publication Date: 2022-03-01
- Inventor: Sung-Ik Park , Sun-Hyoung Kwon , Jae-Young Lee , Heung-Mook Kim , Nam-Ho Hur
- Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Applicant Address: KR Daejeon
- Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Current Assignee Address: KR Daejeon
- Priority: KR10-2014-0016865 20140213,KR10-2015-0017770 20150205
- Main IPC: H03M13/11
- IPC: H03M13/11 ; H04L1/00 ; H03M13/27 ; H03M13/00 ; H03M13/25 ; H04L27/34
Abstract:
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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Information query
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