Coefficient estimation method and apparatus

1. A method comprising:

generating a plurality of training signal bursts with a pulse generation unit; and

applying the plurality of training signal bursts to an electronic circuit including an amplifier, at least one of the training signal bursts being applied while a predistortion circuit associated with the amplifier is actively processing a traffic signal, each of the plurality of training signal bursts being used to adjust the predistortion circuit the at least one training signal burst having a power level inversely proportional to the traffic signal.

2. A method comprising:

applying a plurality of training signal bursts to a wireless transmitter including an amplifier, each of the plurality of training signal bursts being used to adjust a predistortion circuit associated with the amplifier, at least one of the training signal bursts being applied while the predistortion circuit is actively processing a traffic signal, the at least one training signal burst having a power level inversely proportional to the traffic signal.

3. The method according to claim 2 , wherein at least one other training signal burst is applied before the wireless transmitter is used to process traffic signals.

4. A method comprising:

applying a plurality of training signal bursts to an electronic circuit including an amplifier, at least one of the training signal bursts being applied while a predistortion circuit associated with the amplifier is actively processing a traffic signal,

the at least one training signal burst having a power level inversely proportional to the traffic signal,

the at least one training signal burst substantially exciting a full dynamic range of the amplifier, and

each of the plurality of training signal bursts being used to adjust the predistortion circuit.

5. The method of claim 4 ,

wherein each training signal burst substantially excites a full dynamic range of the amplifier.

6. A method, comprising:

applying a first training signal burst to an electronic circuit;

calculating a first set of coefficients based upon the first training signal burst;

applying a second training signal burst to the electronic circuit;

predistorting the second training signal burst using the first set of coefficients; and

calculating a second set of coefficients based upon the predistorted second training signal burst;

applying a traffic signal to the electronic circuit;

adding a third training signal burst to the traffic signal;

predistorting the combined traffic signal and third training pulse signal with the second set of coefficients; and

calculating a third set of coefficients based upon the predistorted combined traffic signal and the third training signal burst.

7. The method according to claim 6 , further comprising:

applying a third training signal burst;

predistorting the third training signal burst using the second set of coefficients;

calculating a third set of coefficients based upon the predistorted third training signal burst; and

enabling traffic signal flow.

8. The method according to claim 6 , further comprising:

adding additional pulses to traffic signals for use in calculating additional sets of coefficients.

9. A method comprising:

generating at least one training signal burst with a pulse generation unit; and

applying the at least one training signal burst to an electronic circuit including an amplifier, while a predistortion circuit associated with the amplifier is actively processing a traffic signal, to adjust the predistortion circuit, the at least one training signal burst having a power level inversely proportional to the traffic signal.