Method and device control amplification of the signal emitted by a mobile terminal that increases the autonomy of the mobile terminal.
2001
Process control amplification of the signal emitted by a radio communication terminal including a power amplifier (1) and a supply battery (10) voltage (Vbat), said method including the steps of: - detecting (3) the output power (Pout) of the amplifier (1) and converting this power (Pout) in detected voltage (Vdet), - comparison (4) of said detected voltage (Vdet) with a reference voltage (Vref), - adaptation (9) of the input voltage (Vc) of the power amplifier (1) according to the comparison result, characterized in that, before the step of comparing the detected voltage (Vdet) with the reference voltage (Vref) , the separation between the detected voltage (Vdet) and the reference voltage (Vref) is reduced by either increasing the detected voltage (Vdet) either by decreasing the reference voltage (Vref) on a corrective value depending on the voltage (Vbat) aliment battery ation (10).
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