Premier Mounts CDM-600 specifications With

CDM-600 Satellite Modem

Revision 7

Forward Error Correction Options

MN/CDM600.IOM

Eb/No in dB

1

2

3

4

5

6

7

8

9

10

11

12

1E-1

Sequential

Uncoded BPSK/QPSK

with

1E-2

concatenated

RS 220,200

Outer Code

1E-3

512 kbps

1E-4

Combined sync

threshold, demod

1E-5

and Sequential

Decoder, Rate 1/2

Sync

threshold,

1E-6

Rate 3/4

Specification

Limit Rate 1/2

Sync

and 220,200

threshold,

Outer Code

Rate 7/8

1E-7

Specification

Limit Rate 3/4

and 220,200

1E-8

Outer Code

Typical Performance

Specification

Limit Rate 7/8

and 220,200

1E-9

Outer Code

2

3

4

5

6

7

8

9

10

11

12

1

BER

Figure 7-6. Sequential with concatenated R-S Outer Code

7–18