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Doppler Shift in Hz
Doppler Rate of Change in Hz/sec
Doppler Acceleration in Hz/sec
1.4.1.2
Data Quality Performance
1.4.1.2.1
OM-73 Compatible Mode Performance
Operating in the OM-73-compatible mode, SLM-5650B BER vs. E
differential encoding and data scrambling enabled does not exceed values shown in Table 1-11
through Table 1-16.
1.4.1.2.2
MIL-STD-188-165A Compatible Mode Performance
Operating with BPSK, QPSK, or OQPSK modulation in the MIL-STD-188-165A compatible mode,
SLM-5650B BER vs. E
not exceed values shown in Table 1-11 (without Reed-Solomon) or Table 1-12 (with Reed-
Solomon) tested in an IF back-to-back configuration over the BER range 5 x 10
Operating with 8PSK modulation and rate 2/3 pragmatic Trellis coding (without Reed-Solomon
outer coding), SLM-5650B BER vs. E
in Table 1-13 when tested in an IF back-to-back configuration.
Operating with 8PSK modulation, rate 2/3 pragmatic Trellis coding, and Reed-Solomon (219,201)
outer coding, SLM-5650B BER vs. E
in Table 1-14 when tested in an IF back-to-back configuration.
1.4.1.2.3
IESS-308 Compatible Mode Performance
When operating in the IESS-308 Compatible Mode, SLM-5650B BER vs. E
specified in IESS-308.
1.4.1.2.4
IESS-309 Compatible Mode Performance
When operating in the IESS-309 Compatible Mode, SLM-5650B BER vs. E
specified in IESS-309.
1.4.1.2.5
IESS-310 Compatible Mode Performance
When operating in the IESS-310 Compatible Mode, SLM-5650B BER vs. E
specified in IESS-310.
Introduction
Table 1-10. Doppler Requirements
Parameter
2
/N
performance with differential encoding and data scrambling enabled will
b
0
/N
b
/N
b
C-Band
X-Band
± 2475
± 3535
± 226
± 270
± 243
± 290
performance is less than or equal to the values shown
0
performance is better than or equal to the values shown
0
1–19
SLM-5650B Satellite Modem
Revision 2
Ku-Band
Ka-Band
± 6045
± 11,810
± 490
± 1046
± 526
± 1124
/N
performance with
b
0
-3
-7
to 1 x 10
.
/N
performance is as
b
0
/N
performance is as
b
0
/N
performance is as
b
0
MN-SLM-5650B
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