Patent · US Expired

Adaptive sigma-delta modulation with improved dynamic range

US7073113B2 · kind B2 · utility

2Cited by

2References

22Claims

0Family size

Assignee

The Regents of the University of California · US

Inventors

Ali H. Sayed · Los Angeles, US
Mansour A. Aldajani · Dhahran, SA

Key dates

Filing date	Jul 13, 2001
Grant date	Jul 4, 2006
Priority date	—
Expiry date	Dec 9, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH03M3/484
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An adaptive sigma-delta modulation and demodulation technique, wherein a quantizer step-size is adapted based on estimates of an input signal to the quantizer, rather than on estimates of an input signal to the modulator.

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