Patent · US Active

Digital compensator

US10404296B2 · kind B2 · utility

16Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 2018
Grant dateSep 3, 2019
Priority date
Expiry dateMay 30, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B2001/0425
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An approach to digital compensation uses a particular structure for a digital pre-distorter (DPD) which acts as a relatively accurate pre-inverse of a non-linear circuit (e.g., a non-linear transmit chain involving digital-to-analog converter (DAC), lowpass filter, modulator, bandpass filter, and power amplifier) while making use of a relatively small number of parameters that characterize the non-linearity and/or parameters that provide accurate linearization without requiring continual updating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.