Agilent Technologies N9360A Manual de usuario Pagina 233

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Screen Reference 5
N9360A Multi UE Tester W-CDMA User Manual 5-117
CQI variance Calculate the rate of CQI within Median CQI +/-2
It is calculated by the following equation.
(at the interim reporting)
TTI
CQI variance = [CQI that is within +/-2 of the Median CQI from the beginning to the interim
reporting]/[CQI + DTX from the beginning to the interim reporting]
CQI
CQI variance = [CQI that is within +/-2 of the Median CQI from the beginning to the interim
reporting]/[CQI from the beginning to the interim reporting]
(at the end of measurement)
TTI
CQI variance = [CQI that is within +/-2 of the Median CQI during TTI period]/[CQI +DTX during
TTI period]
CQI
CQI variance = [Median CQI within the reported number of CQI+/-2]/[reported number of CQI]
dian CQI within the reported number of CQI+/-2]/[reported number of CQI]
BLER Measures BLER.
It is calculated by the following equation.
BLER = ([NACK number] + [DTX number])/([ACK number] + [NACK number] + [DTX number])
The "number" implies the number from the beginning to the interim reporting at the interim
reporting, and the number of the entire measurement period at the end of the measurement.
Table 5-34 Measurement items of HSDPA Manual Test
Measurement Item Description
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