Nera Evolution Series - System Performance

32 Evolution Series - XPAND NGP\00329 Rev. C 23-06-2006
5.4. System Performance
5.4.1. System Gain
For RF-Coupler loss see chapter 5.5.2.
Typical values @ BER 10
-6
- ref point C’C [dB]
System Capacity /
Frequency band: [GHz]
L6 U6 7 8 11 13/15 18 23 26 32 38
4xE1@7MHz (QPSK) 121 121 120 120 118.5 115 111 111 110 109 107
8xE1@7MHz (16State) 113 113 112 112 110.5 107 103 103 102 100 99
8xE1@14MHz (QPSK) 117.5 117.5 116.5 116.5 115 111.5 107.5 107.5 106.5 104.5 103.5
16xE1@14MHz (16State) 109.5 109.5 108.5 108.5 107 103.5 99.5 99.5 98.5 96.5 95.5
16xE1@28MHz (QPSK) 115 115 114 114 112.5 109 105 105 104 102 101
20xE1@14MHz (16State) 108.5 108.5 107.5 107.5 106 102.5 98.5 98.5 97.5 96 94.5
40xE1@28MHz (16State) 105.5 105 104 104 102.5 99 95.5 95.5 94 92.5 91.5
50xE1@28MHz (32State) 103.5 103 102 102 100.5 97 93 93 92 90.5 89.5
75xE1@28MHz (128State) 96 96 95 95 93.5 88 86 86 85 83 82
Table 5-14 System gain
5.4.2. Equipment background BER (Residual BER)
Typical residual BER is ≤ 10
-14
.
5.4.3. System Signature
The equipment includes an Adaptive Time Domain Equaliser (ATDE). The system signature is specified
below for 6.3 ns delay. The limits are valid for both minimum and non-minimum phase.
Channel Bandwidth 28 MHz 14 MHz 7 MHz
Max. notch depth, minimum and
non-minimum phase [dB]
24 24 24
Signature bandwidth [MHz] 28 14 7
Signature factor, typical value 1.2 TBD TBD
Dispersive Fading Margin
(Bellcore), typical value [dB]
52 TBD TBD
Table 5-15 Typical signature values