Ec/No is the ratio between the received energy from the pilot signal CPICH per chip (Ec) to the noise density (No). In other way, we can tell, that it is the ratio of the received signal level (RSCP) to the sum of all levels of signals on the same frequency (RSSI).Therefore, the higher Ec / No, the better are difference between the signal and noise.
Code | Range of Ec/No in dB | Code | Range of Ec/No in dB | Code | Range of Ec/No in dB |
---|---|---|---|---|---|
0 | <-24.0 | 17 | -16.0 to -15.5 | 34 | -7.50 to -7.00 |
1 | -24.0 to -23.5 | 18 | -15.5 to -15.0 | 35 | -7.00 to -6.50 |
2 | -23.5 to -23.0 | 19 | -15.0 to -14.5 | 36 | -6.50 to -6.00 |
3 | -23.0 to -22.5 | 20 | -14.5 to -14.0 | 37 | -6.00 to -5.50 |
4 | -22.5 to -22.0 | 21 | -14.0 to -13.5 | 38 | -5.50 to -5.00 |
5 | -22.0 to -21.5 | 22 | -13.5 to -13.0 | 39 | -5.00 to -4.50 |
6 | -21.5 to -21.0 | 23 | -13.0 to -12.5 | 40 | -4.50 to -4.00 |
7 | -21.0 to -20.5 | 24 | -12.5 to -12.0 | 41 | -4.00 to -3.50 |
8 | -20.5 to -20.0 | 25 | -12.0 to -11.5 | 42 | -3.50 to -3.00 |
9 | -20.0 to -19.5 | 26 | -11.5 to -11.0 | 43 | -3.00 to -2.50 |
10 | -19.5 to -19.0 | 27 | -11.0 to -10.5 | 44 | -2.50 to -2.00 |
11 | -19.0 to -18.5 | 28 | -10.5 to -10.0 | 45 | -2.00 to -1.50 |
12 | -18.5 to -18.0 | 29 | -10.0 to -9.5 | 46 | -1.50 to -1.00 |
13 | -18.0 to -17.5 | 30 | -9.50 to -9.00 | 47 | -1.00 to -0.50 |
14 | -17.5 to -17.0 | 31 | -9.00 to -8.50 | 48 | -0.50 to 0.00 |
15 | -17.0 to -16.5 | 32 | -8.50 to -8.00 | 49 | >0 |
16 | -16.5 to -16.0 | 33 | -8.00 to -7.50 |
Source: ETSI
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