Premier Mounts CDM-600 specifications Viterbi

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
		Uncoded BPSK/QPSK							Viterbi
1E-2									Decoding
		Typical
	Performance
1E-3
1E-4
1E-5
1E-6
									Specification
1E-7									limit, Rate 7/8
									Coding
1E-8
				Specification				Specification
				limit	Rate 1/2			limit, Rate 3/4
				Coding					Coding
1E-9	2	3	4	5	6	7	8	9	10	11	12
1
BER

Figure 7-1. Viterbi Decoding

7–13