Signaling of information for non-linearity model

A first wireless communication device, comprising:

• one or more memories that store processor-executable code;
• and
• one or more processors configured to execute the processor-executable code and cause the first wireless communication device to:
• receive a first request from a second wireless communication device, the first request instructing the first wireless communication device to perform joint digital pre-distortion and digital post-distortion operations to jointly compute first digital pre-distortion information for a first non-linearity model for a power amplifier circuit of the second wireless communication device and digital post-distortion information for the first wireless communication device, the first request further requesting the first wireless communication device to send the first digital pre-distortion information to the second wireless communication device;
• receive first non-linearity information associated with the first non-linearity model for the power amplifier circuit of the second wireless communication device;
• receive, from the second wireless communication device, an indication of a change in the first non-linearity model;
• jointly compute the first digital pre-distortion information for the first non-linearity model for the power amplifier circuit of the second wireless communication device and the digital post-distortion information for the first wireless communication device in response to the receipt of the indication of the change in the first non-linearity model, the digital post-distortion information comprising a second non-linearity model for a digital post-distortion process of the second wireless communication device, the digital post-distortion process comprising an iterative slicer and estimator process based on the second non-linearity model;
• transmit the first digital pre-distortion information to the second wireless communication device;
• receive a first signal from the second wireless communication device;
• and
• use the digital post-distortion process comprising the iterative slicer and estimator process based on the second non-linearity model to compensate for non-linear distortion in the first signal, wherein:
• the joint computation of the first digital pre-distortion information for the first non-linearity model for the power amplifier circuit of the second wireless communication device and the digital post-distortion information for the first wireless communication device is based on an adjacent channel leakage ratio (ACLR) limit whereby crest factor reduction, digital pre-distortion, and digital post-distortion configurations associated with a gain state are selected to meet the ACLR limit;
• and
• the digital post-distortion process comprises an iterative Bussgang decomposition process where estimates of the non-linear distortion in the first signal are subtracted from the first signal until a convergence criterion is met.