Patent · US Expired

Methods and systems for robust frame type detection in systems employing variable bit rates

US6658381B1 · kind B1 · utility

22Cited by

11References

15Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Karl Hellwig · Wonfurt, DE
Robert Bäuml · Eckental, DE
Jesus Andonegui · Wendelstein, DE

Key dates

Filing date	Sep 20, 2000
Grant date	Dec 2, 2003
Priority date	—
Expiry date	Aug 16, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02D30/50
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Techniques and systems for identifying coding rates of transmitted frames are described. Unused bits in rate adapted frames are used to carry frame type indicator patterns. Maximal rate frames (i.e., with a highest coding rate) need not include a frame type indicator.

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