Patent · US Active

Digital phase locked loop frequency estimation

US10181856B2 · kind B2 · utility

2Cited by
0References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 2016
Grant dateJan 15, 2019
Priority date
Expiry dateDec 30, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2027/0067
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A Digital Phase Locked Loop (DPLL), including a Time-to-Digital Converter (TDC) configured generate quantized phase values of a Voltage Controlled Oscillator (VCO) signal; and a frequency estimation circuit configured to receive the quantized phase values, determine wraparound phase of the quantized phase values, and least-squares estimate a frequency based on the quantized phase values and the wraparound phase.

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