STV0196 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV0196' PDF : 23 Pages View PDF
ANNEXE 1 : C/n ESTIMATION (continued)
B - FLOW CHART
Following is a simplified flow chart.
STV0196B
Normal Process
C/N
N
Estimation
A
N
Go to Tuning Routine
Y
Check
VSTATUS
OK
SN < ----- 00
Scaling S
Correction versus
Puncture Rate
Collect C/N data 100 times
and calculate average value
SN < ----- SN + 1
S < 60
Y
SN = 11
Y
N
S < 40
m < ----- m - 4
Collect C/N data 100 times
and calculate average value
N
Y
S < 20
m < ----- m - 4
Collect C/N data 100 times
and calculate average value
Compare with look-up table T1 Compare with look-up table T2 Compare with look-up table T3
Output C/N estimation
A
N
End of
Y
Estimation
T1 : Look-up table for normal value of m (AGC reference level)
T2 : Look-up table for m - 4
T3 : Look-up table for m - 8
Restore AGC Reference
Level to normal value
Return to normal process
21/23
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