Demodulation and fec decoding types, Descrambling types, 2 demodulation and fec decoding types – Comtech EF Data C5 User Manual
Page 58: 3 descrambling types
Specifications
C5/K1/K3 Integrated Satellite Terminal System
2–24
Rev. 0
2.2.5.2
Demodulation and FEC Decoding Types
Refer to Table 2-16 for combinations of the modulation and forward error correction
encoding.
Table 2-16. Ku-Band Demodulation and Encoding Types
Encoder
Code Rate
Modulation
Viterbi, K7
1/2
BPSK
Viterbi, K7
Reed-Solomon
1/2
225/205 Closed
BPSK
BPSK
Viterbi, K7
1/2, 3/4, 7/8
QPSK
Viterbi, K7
Reed-Solomon
1/2, 3/4, 7/8
225/205 Closed
QPSK
QPSK
Sequential
1/2
BPSK
Sequential
Reed-Solomon
1/2
225/205 Closed
BPSK
BSPK
Sequential (EFD,
CSD, FDC)
1/2, 3/4, 7/8
QPSK
Sequential
Reed-Solomon
1/2, 3/4, 7/8
225/205 Closed
QPSK
QPSK
2.2.5.3 Descrambling
Types
The customer may select one of the following:
( CCITT V.35 (EFData/Comstream compatible). Sequential only.
( CCITT V.35 INTELSAT modified. Viterbi only.
( Fairchild compatible. Sequential only.
( 2
15
-1 Synchronous for use in ASYNC overhead mode.
( Modified V.35 (Closed Network Reed-Solomon).
( None.