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CDM-Qx Satellite Modem
Summary of Specifications
8-PSK/TCM CODEC
BER
(With two adjacent
carriers, each 7 dB
higher than the
desired carrier)
TURBO PRODUCT
CODEC
Rate 1/2 QPSK
Rate 21/44 BPSK
Rate 5/16 BPSK
BER
(With two adjacent
carriers, each 7 dB
higher than the
desired carrier)
TURBO PRODUCT
CODEC
Rate 3/4 QPSK
Rate 3/4 8-PSK
Rate 3/4 16-QAM
BER
(With two adjacent
carriers, each 7 dB
higher than the
desired carrier)
TURBO PRODUCT
CODEC
Rate 7/8 QPSK
Rate 7/8 8-PSK
Rate 7/8 16-QAM
BER
(With two adjacent
carriers, each 7 dB
higher than the
desired carrier)
Rate 2/3 8-PSK/TCM
Guaranteed Eb/No:
(typical value in
parentheses)
For:
-5
7.9 dB (7.2 dB)
BER=10
-7
9.5 dB (8.7 dB)
BER=10
-8
10.4 dB (9.5dB)
BER=10
Rate 1/2 (Q)
Guaranteed Eb/No:
(typical value in
parentheses)
For:
-6
2.9 dB (2.6 dB)
BER=10
-7
3.1 dB (2.7 dB)
BER=10
-8
3.3 dB (2.8 dB)
BER=10
Rate 3/4 (Q)
Guaranteed Eb/No:
(typical value in
parentheses)
For:
-6
3.8dB (3.4dB)
BER=10
-7
4.1dB (3.7dB)
BER=10
-8
4.4dB (4.0dB)
BER=10
Rate 7/8 (Q)
Guaranteed Eb/No:
(typical value in
parentheses)
For:
-6
4.3 dB (4.0 dB)
BER=10
-7
4.4 dB (4.1 dB)
BER=10
-8
4.5 dB (4.2 dB)
BER=10
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)
Rate 21/44 (B)
Guaranteed Eb/No:
(typical value in
parentheses)
2.8 dB (2.5dB)
3.1 dB (2.8 dB)
3.3 dB (2.90dB)
Rate 3/4 (8-PSK)
Guaranteed Eb/No:
(typical value in
parentheses)
6.2 dB (5.8 dB)
6.4 dB (6.0 dB)
6.8 dB (6.3 dB)
Rate 7/8 (8-PSK)
Guaranteed Eb/No:
(typical value in
parentheses)
7.3 dB (6.6 dB)
7.4 dB (6.7 dB)
7.5 dB (6.8 dB)
A–4
Revision 6
MN/CDMQx.IOM
Rate 5/16 (B)
Guaranteed Eb/No:
(typical value in
parentheses)
2.4 dB (2.1dB)
2.6 dB (2.3dB)
2.7 dB (2.4dB)
Rate 3/4 (16-QAM)
Guaranteed Eb/No:
(typical value in
parentheses)
7.4dB (7.0 dB)
7.8 dB (7.3 dB)
8.2 dB (7.7 dB)
Rate 7/8 (16-QAM)
Guaranteed Eb/No:
(typical value in
parentheses)
8.1 dB (7.7 dB)
8.2 dB (7.8 dB)
8.3 dB (7.9 dB)
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