From: Improved synchronization, channel estimation, and simplified LDPC decoding for the physical layer of the DVB-T2 receiver
K LDPC
N LDPC
R code
R
Q LDPC
3240
16200
1/ 4
1/ 5
36
7200
1/2
4/9
25
9720
3/5
18
10800
2/3
15
11880
3/4
11/15
12
12600
4/5
7/9
10
13320
5/6
37/45
8