CDM-600 Satellite Modem Revision 7 Summary of Specifications MN/CDM600.IOM 15–4
VITERBI
BER performance
(met in the presence of
two adjacent carriers,
each 7 dB higher than
the desired carrier)
For:
BER=10-5
BER=10-6
BER=10-7
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.4 dB (4.9 dB)
6.0 dB (5.5 dB)
6.7 dB (6.2 dB)
Rate 3/4 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
6.8 dB (6.3 dB)
7.4 dB (6.9 dB)
8.2 dB (7.7 dB)
Rate 7/8 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
7.7 dB (7.2 dB)
8.4 dB (7.9 dB)
9.0 dB (8.6 dB)
SEQUENTIAL
@ 64 kbps BER
(met in the presence of
two adjacent carriers,
each 7 dB higher than
the desired carrier)
For:
BER=10-5
BER=10-6
BER=10-7
Rate 1/2 (B, Q, OQ)
GuaranteedEb/No:
(typical value in
parentheses)
4.8 dB (4.2 dB)
5.2 dB (4.5 dB)
5.6 dB (4.8 dB)
Rate 3/4 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.8 dB (5.3 dB)
6.4 dB (5.8 dB)
6.9 dB (6.3 dB)
Rate 7/8 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
7.0 dB (6.6 dB)
7.5 dB (7.2 dB)
8.0 dB (7.7 dB)
SEQUENTIAL
@ 1024 kbps BER
(met in the presence of
two adjacent carriers,
each 7 dB higher than
the desired carrier)
For:
BER=10-5
BER=10-6
BER=10-7
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.2 dB (4.8 dB)
5.7 dB (5.2 dB)
6.1 dB (5.7 dB)
Rate 3/4 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.9dB (5.5dB)
6.5dB (6.0dB)
7.0dB (6.5dB)
Rate 7/8 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
7.2 dB (6.6 dB)
7.7 dB (7.2 dB)
8.3 dB (7.7 dB)
VITERBI and RS
220,200 or 200,180
Outer Code BER
(with two adjacent
carriers, each 7 dB
higher than the desired
carrier)
For:
BER=10-5
BER=10-6
BER=10-7
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
4.3 dB (4.0 dB)
4.4 dB (4.1 dB)
4.5 dB (4.2 dB)
Rate 3/4 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.6 dB (4.7 dB)
5.8 dB (4.8 dB)
6.0 dB (5.2 dB)
Rate 7/8 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
6.5 dB (6.0 dB)
6.7 dB (6.2 dB)
6.9 dB (6.5 dB)
SEQUENTIAL and
RS 220,200 or 200,180
Outer Code @ 512 kbps
(two adjacent carriers,
each 7 dB higher than
the desired carrier)
For:
BER=10-7
BER=10-8
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
4.6 dB (4.3 dB)
4.8 dB (4.5 dB)
Rate 3/4 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
5.3 dB (4.9 dB)
5.6 dB (5.3 dB)
Rate 7/8 (Q, OQ)
Guaranteed Eb/No:
(typical value in
parentheses)
6.0 dB (5.7 dB)
6.4 dB (6.1 dB)
8-PSK/TCM CODEC
BER
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
For:
BER=10-5
BER=10-7
BER=10-8
Rate 2/3 8-PSK/TCM
Guaranteed Eb/No:
(typical value in
parentheses)
7.9 dB (7.2 dB)
9.5 dB (8.7 dB)
10.4 dB (9.5dB)
Rate 2/3 8-PSK/TCM
w/concatenated RS
Guaranteed Eb/No:
(typical value in
parentheses)
6.3 dB (5.4 dB)
6.7 dB (5.8 dB)
6.9 dB (6.0 dB)