Patent · US Active

Fec mechanism based on media content

US10469202B2 · kind B2 · utility

0Cited by

0References

5Claims

0Family size

Assignee

Shanghai Jiao Tong University · CN

Inventors

Yiling Xu · Shanghai, CN
Wenjun Zhang · Sha Tin, CN
Jun Sun · Shanghai, CN
Xuguo Tang · Shanghai, CN
Wei Huang · Austin, US
Bo Li · Dongguan, CN
Yunfeng Guan · Shanghai, CN
Ning Liu · Shenyang, CN

Key dates

Filing date	Jan 8, 2016
Grant date	Nov 5, 2019
Priority date	—
Expiry date	Sep 3, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04L1/0048
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

The invention provides an FEC (Forward error correction) mechanism based on media content. The mechanism classifies the media content, and endows it with different importance, and then changes the coding scheme according to the packets belonging to frames of different importance in combination with channel conditions and user experience, to conduct protection according to the importance of corresponding frames. By using the technical scheme of the invention, for the data congestion caused by excessive coding in the current FEC system, the media content is able to be classified and endowed with different importance, and controlled by signaling and indicating bit; different FEC coding strengths is able to be adopted; the duplication-expanding window fountain code with the unequal error protection performance is able to be further adopted, to achieve the maximum guarantee of media content quality and reduce the large amount of data caused by FEC.

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