Invention Application
- 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.: US17577280Application Date: 2022-01-17
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Publication No.: US20220140843A1Publication Date: 2022-05-05
- 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 ; H03M13/27 ; H03M13/00 ; H04L1/00 ; 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.
Public/Granted literature
Information query
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