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US 12,726,396 B2Granted
Digital predistortion method and apparatus
AssigneeZte Corporation
InventorZhen Yang
Life of this patent
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Abstract
Systems, methods and apparatus for processing signals are described. The method includes determining a predistortion signal corresponding to an input signal by processing the input signal through a multi-stage predistortion model that is based on neural network processing and generating a transmission waveform by processing the predistortion signal through transmission electronics.
Claims19
A method of processing signals, comprising:
- determining a predistortion signal corresponding to an input signal by processing the input signal through a multi-stage predistortion model that is based on neural network processing;
- and
- generating a transmission waveform by processing the predistortion signal through transmission electronics;
- wherein the processing the input signal through the multi-stage predistortion model comprises:
- generating N+1 output signals from the input signal by processing through a first unit, where N is a positive integer;
- generating a first intermediate signal by processing the input signal and the N+1 output signals through a second unit;
- generating a second intermediate signal by processing the N+1 output signals through a third unit;
- and
- combining the first intermediate signal with the second intermediate signal to determine the predistortion signal.
6 more elements
A method of processing signals, comprising:
- determining a predistortion signal corresponding to an input signal by processing the input signal through a multi-stage predistortion model that is based on neural network processing;
- and
- generating a transmission waveform by processing the predistortion signal through transmission electronics;
- wherein the processing the input signal through the multi-stage predistortion model comprises:
- generating N+1 output signals from the input signal by processing through a first unit, where N is a positive integer;
- generating a first intermediate signal by processing the input signal and the N+1 output signals through a second unit;
- generating a second intermediate signal by processing the N+1 output signals through a third unit;
- generating a third intermediate signal by processing the input signal through a fourth unit;
- and
- combining the first intermediate signal, the second intermediate signal and the third intermediate signal to determine the predistortion signal.
7 more elements
An apparatus for wireless communication comprising:
- a processor configured to:
- determine a predistortion signal corresponding to an input signal by processing the input signal through a multi-stage predistortion model that is based on neural network processing;
- and
- generate a transmission waveform by processing the predistortion signal through transmission electronics;
- wherein to determine the predistortion signal, the processor is configured to:
- generate N+1 output signals from the input signal by processing through a first unit, where N is a positive integer;
- generate a first intermediate signal by processing the input signal and the N+1 output signals through a second unit;
- generate a second intermediate signal by processing the N+1 output signals through a third unit;
- and
- combine the first intermediate signal with the second intermediate signal to determine the predistortion signal.
7 more elements
Dependencies are inferred from the claim text.