Modem Performance Curves
Eb/No	Datum M4/M5 Class Modem Typical Performance by FEC
BER	1 Viterbi Rate 1/2	2 Viterbi Rate 3/4	3 Viterbi Rate 7/8	4 R-S Concat Rate 1/2	5 R-S Concat Rate 3/4	6 R-S Concat Rate 7/8	7 TPC Rate 1/2	8 TPC Rate 3/4	9 TPC Rate 7/8	10 TPC Rate 3/4 Short Block	11 TPC Rate 7/8 Short Block		13 Typical Competitor Viterbi	14 Typical Competitor Sequential
1.00E-04	4.20	5.40	6.05	2.80	4.10	5.30
1.00E-05	4.80	5.84	6.80	3.05	4.28	5.75	2.2	3.23	4.56	3.9	5.2		5.10	4.50
1.00E-06	5.47	6.40	7.52	3.30	4.50	6.13	2.57	3.35	4.69	4.07	5.58		5.85	5.00
1.00E-07	6.00	7.00	8.20	3.49	4.72	6.50	2.86	3.46	4.81	4.3	6		6.50	5.50
1.00E-08	6.40	7.60	8.78	3.72	4.97	6.87	3.13	3.56	4.98	4.56	6.47
1.00E-09	6.80	8.08		3.95	5.25	7.17	3.42	3.65	5.31	4.87	6.91
1.00E-10				4.18	5.50	7.47	3.69	3.78	5.72	5.2	7.3
Measurements per IESS 308/309 as of Jan, 2000
TPC = Turbo Product Codes FEC, Available with M5 Modems Only