Comtech EF Data DMD1050TS - Table 3-2. R-S Codes

DMD1050TS Satellite Modem Board
Revision 1
Theory of Operation 3–24 MN-DMD1050TS
Table 3-2. R-S Codes
Service Type
Data Rate
(Kbps)
R-S Code
(n, k, t)
1
Bandwidth Expansion
[(n/k) -1 ]
Interleaving
Depth
Maximum
2
R-S Codec
Delay (ms)
Small IDR
(With 16/15
O/H)
64
128
256
384
512
768
1024
1536
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
(126, 112, 7)
0.125
0.125
0.125
0.125
0.125
0.125
0.125
0.125
4
4
4
4
4
4
4
4
115
58
29
19
15
10
8
5
IDR
(With 96 Kbps
O/H)
1544
2048
6312
8448
(225, 205,10)
(219, 201, 9)
(194, 178, 8)
(194, 178, 8)
0.0976
0.0896
0.0899
0.0899
4
4
4
4
9
7
2
<2
8PSK
1544
2048
6312
8448
(219, 201, 9)
(219, 201, 9)
(219, 201, 9)
(219, 201, 9)
0.0896
0.0896
0.0896
0.0896
8
8
8
8
18
13
4
3
DVB
All
(204, 188, 8)
0.0851
12
-
1
n = code length, k = information symbols and t = symbol error correcting capability.
2
Design objective.