Patent · US Expired

Data demodulator employing decision feedback for reference parameter recovery and method used therin

US5652541A · kind A · utility

16Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1996
Grant dateJul 29, 1997
Priority date
Expiry dateMar 19, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L7/08
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A data demodulator operating to recover symbols from a data signal including, an estimator, coupled to the data signal, for estimating a reference parameter, and a decision function that is responsive to the reference parameter and the data signal, for selecting a symbol for a symbol time from a set of predetermined symbols where the symbol is coupled to the estimator for updating the reference parameter when the symbol is representative of the reference parameter.

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