Digital pre-distortion (DPD) in a wireless transmitter

1. A method of performing digital predistortion (DPD) of a wireless communication, wherein the method comprises:

identifying, by DPD logic based on an identification that the wireless signal output power of a wireless signal that is to be transmitted is above a switching power threshold, that the wireless signal is to be transmitted in accordance with a pre-stored DPD mode that is related to a pre-stored coefficient that is updated based on an update power threshold;

shifting, by the DPD logic based on the identification that the wireless signal is to be transmitted in accordance with the pre-stored DPD mode, from a continuously-updating DPD mode to the pre-stored DPD mode, wherein the continuously-updating DPD mode relates to a transmission based on a continuously-updated coefficient that is updated based on a time interval; and

facilitating, by the DPD logic, transmission of the wireless signal based on the pre-stored coefficient.

2. The method of claim 1 , wherein the wireless signal is a first wireless signal, and further comprising:

identifying, by the DPD logic, that a wireless signal output power of a second wireless signal that is to be transmitted is over the update power threshold;

calculating, by the DPD logic, a calculated coefficient related to the wireless signal output power of the second wireless signal; and

replacing, by the DPD logic, the pre-stored coefficient with the calculated coefficient.

3. The method of claim 1 , wherein the switching power threshold is 3 decibels (dB).

4. The method of claim 1 , wherein the switching power threshold is at a midpoint between a maximum signal output power and a minimum signal output power of the wireless transmitter.

5. The method of claim 1 , wherein the switching power threshold is based on a calibration procedure related to a power amplifier of the wireless transmitter.

6. The method of claim 1 , wherein the pre-stored coefficient is related to a coefficient that was used to transmit a previous wireless signal with a wireless signal output power over the switching power threshold.

7. The method of claim 1 , further comprising updating, by the DPD logic, the continuously-updated coefficient based on a time interval when the wireless transmitter is operating in the continuously-updating DPD mode.

8. One or more non-transitory computer-readable media comprising instructions that, upon execution of the instructions by a computing device, are to cause a digital predistortion (DPD) logic of a computing device to:

identify a wireless signal with an output power, wherein the wireless signal is to be transmitted by a wireless transmitter of the computing device;

identify, based on an identification that the output power is above a power threshold, that the wireless signal is to be transmitted in accordance with a pre-stored DPD mode instead of a continuously-updating DPD mode, wherein the pre-stored DPD mode is related to a pre-stored coefficient;

facilitate transmission of the wireless signal in accordance with the pre-stored DPD mode;

identify a second wireless signal that is to be transmitted;

identify that an output power of the second wireless signal is over an update power threshold;

calculate a calculated coefficient related to the output power of the second wireless signal; and

update the pre-stored coefficient based on the calculated coefficient.

9. The one or more non-transitory computer-readable media of claim 8 , wherein the pre-stored coefficient is a coefficient from a table of pre-stored coefficients related to transmission of a wireless signal in the pre-stored DPD mode.

10. The one or more non-transitory computer-readable media of claim 8 , wherein the update power threshold is to decrease based on a time coefficient.

11. The one or more non-transitory computer-readable media of claim 8 , wherein the update power threshold is related to an output power of a wireless signal on which the pre-stored coefficient is based.

12. The one or more non-transitory computer-readable media of claim 8 , wherein the instructions are further to shift, based on identification that an output power of a subsequent wireless signal is below the power threshold, to the continuously-updating DPD mode.

13. An electronic device operable to transmit a wireless signal, wherein the electronic device comprises:

a memory to:

store a continuously-updated coefficient related to transmission in accordance with a continuously-updating DPD mode; and

store a pre-stored coefficient related to transmission in accordance with a pre-stored DPD mode; and

digital predistortion (DPD) logic coupled with the memory, wherein the DPD logic is to:

update the continuously-updated coefficient based on a time interval;

update the pre-stored coefficient based on an update power threshold; and

identify whether to operate in accordance with the continuously-updated DPD mode or the pre-stored DPD mode based on a comparison of a power threshold to an output power of a wireless signal that is to be transmitted.

14. The electronic device of claim 13 , wherein the DPD logic is to operate in accordance with the pre-stored DPD mode if the output power is over the power threshold, and operate in accordance with the continuously-updated DPD mode if the output power is under the power threshold.

15. The electronic device of claim 13 , wherein, when the DPD logic is to update the pre-stored coefficient based on the update power threshold, the DPD logic is to:

identify that a wireless signal output power of a subsequent wireless signal that is to be transmitted is over the update power threshold;

calculate a calculated coefficient related to the wireless signal output power of the subsequent wireless signal; and

update the pre-stored coefficient with the calculated coefficient.

16. The electronic device of claim 13 , wherein the update power threshold is based on a decreasing time coefficient.

17. The electronic device of claim 13 , wherein the pre-stored coefficient is related to a coefficient that was used to transmit a previous wireless signal with a signal output power that was over the power threshold.

18. The electronic device of claim 13 , wherein the pre-stored coefficient is a coefficient from a table of pre-stored coefficients related to transmission of a wireless signal in the pre-stored DPD mode.