5G LDPC-V Intel® FPGA IP User Guide

ID 683670
Date 12/12/2022
Public
Document Table of Contents

4.1.2. 5G LDPC-V Lifting Factor and Code Rate Indexes

Use these values for the i_ldpc_paras parameter.
Table 9.  Lifting Factor Index
Zc Zc_idx Zc Zc_idx
4 2 52 27
5 3 56 28
6 4 60 29
7 5 64 30
8 6 72 31
9 7 80 32
10 8 88 33
11 9 96 34
12 10 104 35
13 11 112 36
14 12 120 37
15 13 128 38
16 14 144 39
18 15 160 40
20 16 176 41
22 17 192 42
24 18 208 43
26 19 224 44
28 20 240 45
30 21 256 46
32 22 288 47
36 23 320 48
40 24 352 49
44 25 384 50
48 26 - -
Table 10.  Code Rate Index
Code Rate Index Code Rate Base Graph 1 Base Graph 2
Number of Rows in Parity Check Matrix Number of Columns in Parity Check Matrix Number of Rows in Parity Check Matrix Number of Columns in Parity Check Matrix
000 1/5 NA NA 42 52
001 1/3 46 68 22 32
010 2/5 35 57 17 27
011 1/2 24 46 12 22
100 2/3 13 35 7 17
101 22/30 (~3/4) 10 32 NA NA
110 22/27 (~5/6) 7 29 NA NA
111 22/25 (~8/9) 5 27 NA NA