Comtech EF Data CDM-600/600L - Manual (Page 51)

CDM-600/600L Open Network Satellite Modem Revision 3
Introduction MN/CDM600L.IOM
1–23
VITERBI and RS
220,200 or 200,180
Outer Code BER
(with
two adjacent carriers,
each 7 dB higher than
the desired carrier)
For:
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 3/4 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 7/8 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -5 4.3 dB (4.0 dB) 5.6 dB (4.7 dB) 6.5 dB (6.0 dB)
BER=10 -6 4.4 dB (4.1 dB) 5.8 dB (4.8 dB) 6.7 dB (6.2 dB)
BER=10 -7 4.5 dB (4.2 dB) 6.0 dB (5.2 dB) 6.9 dB (6.5 dB)
SEQUENTIAL and
RS 220,200 or 200,180
Outer Code @ 512
kbps
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
Rate 1/2 (B, Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 3/4 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 7/8 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -7 4.6 dB (4.3 dB) 5.3 dB (4.9 dB) 6.0 dB (5.7 dB)
BER=10 -8 4.8 dB (4.5 dB) 5.6 dB (5.3 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:
Rate 2/3 8-PSK/TCM
Guaranteed Eb/No (typ
value in parentheses):
Rate 2/3 8-PSK/TCM
w/concatenated RS
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -5 7.9 dB (7.2 dB) 6.3 dB (5.4 dB)
BER=10 -7 9.5 dB (8.7 dB) 6.7 dB (5.8 dB)
BER=10 -8 10.4 dB (9.5dB) 6.9 dB (6.0 dB)
TURBO PRODUCT
CODEC BER
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)
For:
Rate 1/2 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 21/44 (B)
Guaranteed Eb/No (typ
value in parentheses):
Rate 5/16 (B) Guaranteed
Eb/No (typ value in
parentheses):
BER=10 -6 2.9 dB (2.6 dB) 2.8 dB (2.5dB) 2.4 dB (2.1dB)
BER=10 -7 3.1 dB (2.7 dB) 3.1 dB (2.8 dB) 2.6 dB (2.3dB)
BER=10 -8 3.3 dB (2.8 dB) 3.3 dB (2.90dB) 2.7 dB (2.4dB)
TURBO PRODUCT
CODEC BER
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)
For:
Rate 3/4 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 3/4 (8-PSK)
Guaranteed Eb/No (typ
value in parentheses):
Rate 3/4 (16-QAM)
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -6 3.8dB (3.4dB) 6.2 dB (5.8 dB) 7.4dB (7.0 dB)
BER=10 -7 4.1dB (3.7dB) 6.4 dB (6.0 dB) 7.8 dB (7.3 dB)
BER=10 -8 4.4dB (4.0dB) 6.8 dB (6.3 dB) 8.2 dB (7.7 dB)
TURBO PRODUCT
CODEC BER
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)
For:
Rate 7/8 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 7/8 (8-PSK)
Guaranteed Eb/No (typ
value in parentheses):
Rate 7/8 (16-QAM)
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -5 4.3 dB (4.0 dB) 7.0 dB (6.6 dB) 8.1 dB (7.7 dB)
BER=10 -8 4.5 dB (4.2 dB) 7.2 dB (6.8 dB) 8.3 dB (7.9 dB)
TURBO PRODUCT
CODEC BER
Rate 0.95 QPSK
Rate 0.95 8-PSK
BER
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
Rate 0.95 (Q, OQ)
Guaranteed Eb/No (typ
value in parentheses):
Rate 0.95 (8-PSK)
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -6 6.4 dB (6.0 dB) 9.3 dB (8.9 dB)
BER=10 -7 6.7 dB (6.3 dB) 9.8 dB (9.4 dB)
BER=10 -8 6.9 dB (6.5 dB) 10.3 dB (9.9 dB)
16-QAM VITERBI/RS
BER
(With two adjacent
carriers, each 7 dB higher
than the desired carrier)
For:
16-QAM Rate 3/4
Viterbi/RS
Guaranteed Eb/No (typ
value in parentheses):
16-QAM Rate 7/8
Viterbi/RS
Guaranteed Eb/No (typ
value in parentheses):
BER=10 -6 8.1 dB (7.5 dB) 9.5 dB (9.0 dB)
BER=10 -8 8.6 dB (8.0 dB) 10.1 dB (9.5 dB)