Wireless devices and systems including examples of mixing coefficient data specific to a processing mode selection

1. A system comprising:

at least one processing unit; and

non-transitory computer readable media encoded with executable instructions which, when executed by the at least one processing unit, is configured to cause the system to perform operations comprising:

receiving a processing mode selection corresponding to a processing mode for the at least one processing unit, the processing mode selection indicative of a size of a transform;

receiving input data for a transmission in a radio frequency (RF) wireless domain based at least partly on the processing mode selection;

mixing the input data using a plurality of coefficients selected to implement the transform; and

providing output data based on the input data being mixed using the plurality of coefficients, the output data representative of a portion of the transmission being processed using the size of the transform, wherein providing the output data comprises providing the output data such that a wireless transceiver receives the output data for further processing of the transmission.

2. The system of claim 1 , wherein the transform is an Inverse Fast Fourier Transform (IFFT) or Fast Fourier Transform (FFT).

3. The system of claim 1 , the operations comprising:

configuring the at least one processing unit to select the plurality of coefficients based on the processing mode selection.

4. The system of claim 1 , the operations comprising:

selecting the processing mode from among a plurality of processing modes, each processing mode of the plurality of processing modes associated with a respective plurality of coefficients.

5. The system of claim 4 , wherein each respective plurality of coefficients is associated with a number of points for an IFFT or a FFT.

6. The system of claim 1 , wherein mixing the input data using the plurality of coefficients comprises accumulating a processing result to be further processed with other portions of the input data and additional coefficients of the plurality of coefficients.

7. The system of claim 1 , wherein the processing mode comprises a FFT processing mode or an IFFT processing mode.

8. The system of claim 6 , wherein the processing mode includes a modulation mapping processing mode that is associated with at least one of GFDM, FBMC, UFMC, DFDM, SCMA, NOMA, MUSA, or FTN.

9. The system of claim 1 , wherein the processing mode comprises a wireless transmitter processing mode or a wireless receiver processing mode.

10. The system of claim 1 , wherein the plurality of coefficients corresponds to a non linear mapping of input data to output data, the non linear mapping representative of a portion of the transmission being processed according to the processing mode selection.

11. The system of claim 10 , wherein the non-linear mapping comprises a Gaussian function, a piece-wise linear function, a sigmoid function, a thin-plate-spline function, a multiquadratic function, a cubic approximation or an inverse multi-quadratic function.

12. A method comprising:

receiving a processing mode selection indicative of a size of a transform;

implementing a processing mode on at least one processing unit based on the processing mode selection;

mixing input data received at the at least one processing unit using a plurality of coefficients, the plurality of coefficients selected to implement the transform;

providing output data based partly on the input data being mixed using the plurality of coefficients, the output data representative of a portion of the input data being processed using the size of the transform; and

transmitting the output data via an RF antenna at a frequency specified by a wireless protocol.

13. The method of claim 12 , wherein the transform is an Inverse Fast Fourier Transform (IFFT) or Fast Fourier Transform (FFT).

14. The method of claim 13 , further comprising:

converting modulated input data based on the input data to a time domain with the IFFT; and

mixing the modulated input data that was converted to the time domain using a carrier signal to generate the output data.

15. The method of claim 12 , wherein mixing the input data with the plurality of coefficients comprises:

calculating, at a multiplication/accumulation processing unit, the input data with a portion of the plurality of coefficients to generate a processing result, the processing result to be utilized to generate the output data.

16. The method of claim 12 , further comprising:

amplifying the output data using an RF amplifier.

17. The method of claim 12 , wherein the processing mode selection corresponds to a wireless transmitter mode comprising fronthaul processing, wherein implementing the processing mode on the at least one processing unit:

implementing a communication link between a remote radio head (RRH) and at least one baseband unit (BBU) in a Cloud Radio Access Network (C RAN) based on the implemented processing mode.

18. An apparatus comprising:

a processing unit of a plurality of processing units, the processing unit including a multiplication/accumulation processing unit and a memory look up unit, and

non-transitory computer readable media encoded with executable instructions which, when executed by the processing unit, is configured to cause the apparatus to perform operations comprising:

receiving a processing mode selection indicative of a processing mode for the processing unit, the processing mode selection indicative of a size of a transform,

implementing the processing mode on the processing unit, wherein the implementing comprises:

retrieving, at the memory look unit, at least one coefficient of a plurality of coefficients based on the processing mode;

multiplying, at the multiplication/accumulation processing unit, the input data with the at least one coefficient to generate a processing result; and

accumulating, at the multiplication/accumulation processing unit, the processing result to generate a processing output indicative of output data;

providing, to an RF antenna, the output data corresponding to an estimate of the input data processed using the size of the transform; and

transmitting the output data via the RF antenna at a frequency specified by a wireless protocol.

19. The apparatus of claim 18 , wherein the processing mode selection corresponds to an inverse Fast Fourier Transform (IFFT) processing mode.

20. The apparatus of claim 19 , wherein the processing mode selection further indicative of information regarding the wireless protocol including a number of points for an IFFT of the IFFT processing mode.

21. The apparatus of claim 19 , wherein the multiplication/accumulation processing unit comprises at least one arithmetic logic unit (ALU).