Patent · US Active

Digital compensator

US10862517B2 · kind B2 · utility

1Cited by
50References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2019
Grant dateDec 8, 2020
Priority date
Expiry dateAug 30, 2039

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.