Patent · US Expired

Quality of service monitor for multimedia communications system

US6741569B1 · kind B1 · utility

73Cited by
6References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 18, 2000
Grant dateMay 25, 2004
Priority date
Expiry dateApr 18, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L43/16
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A subjective quality monitoring system for packet based multimedia signal transmission systems estimates the parameters of a statistical model representing the probabilities of said packet based transmission system being in a low loss state or a high loss state and uses said estimates to predict the subjective quality of the multimedia signal. The quality monitoring system comprises a plurality of quality monitoring functions located at the multimedia to packet conversion points.

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