Generic uneven level protection algorithm for multimedia data transmission over packet-switched networks

被引：4

作者：

Li, AH ^{[1
]}

Fahlen, J ^{[1
]}

Tian, T ^{[1
]}

Bononi, L ^{[1
]}

Kim, SY ^{[1
]}

Park, JH ^{[1
]}

Villasenor, J ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

TENTH INTERNATIONAL CONFERENCE ON COMPUTER COMMUNICATIONS AND NETWORKS, PROCEEDINGS | 2001年

关键词：

forward error correction; uneven level protection; uneven error protection; real-time data; multimedia transmission; packet-switched network;

D O I：

10.1109/ICCCN.2001.956286

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To achieve more efficient usage of channel bandwidth and provide better protection for the media payload transmitted over lossy packet-switched networks, We introduced a new scheme of generic uneven level protection (ULP) forward error correction. The scheme provides different protection levels for data of different significance within a packet. The ULP scheme is designed to be independent from the nature of the media that it protects, and it is very flexible for any protection configuration the user might need without using any out-of-band signaling. Simulation using a video stream transmitted over a lossy packet-switched network shows that the ULP algorithm achieves significant gain for the quality of the transmission over a wide range of network conditions.

引用

页码：340 / 346

页数：7

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