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RTL8822CE RTL8822CU RTL8822CS COB TSSI MP FLOW

3.1.5.3. Tx index calibration flow

Start Calibration

Set

Data Rate = MCS7-B40

Set

Antenna = A

Set

Antenna = B

Set

Above Channels

sequentially

Find the relation between index

and power level.

The found index is

Index_MCS7_B40

If the channel measuring of the

path have not completed.

The channel measuring had been

done. Switch to another path

Read

Thermal

Value

All the path and channel

measuring had been done.

Figure 7: Tx calibration flow

The flow to find each index is shown as below:

Set Index

= InitIndex

Set Packet Tx

Measure Power

(dBm)

Set Index

= Index + (TargetPower - MeasuredPower) * 4

TargetPower - 0.25 < MeasuredPower < TargetPower + 0.25

Start to

Find Index

Yes

Find Index

Figure 8: Finding Tx index flow

Init Index : The power value of init index should be closed to target power.