Unequal protection using adaptive burst profile selection for WiMAX video streaming

被引：1
|
作者：
Razavi, R. [1 ]
Tanoh, B. [1 ]
Fleury, M. [1 ]
Ghanbari, M. [1 ]
机构：
[1] Univ Essex, Dept Comp & Elect Syst, Colchester CO4 3SQ, Essex, England
来源：
ELECTRONICS LETTERS | 2008年 / 44卷 / 14期
关键词：
D O I：
10.1049/el:20080403
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
It is proposed that in a compact urban region fixed WiMAX (IEEE 802.16d) burst profiles can be adaptively selected according to the picture type of packets from an arriving encoded video stream. Because additional protection of anchor picture packets reduces the data rate, an algorithm dynamically selects less favourable burst profiles for less important packets. Under the stringent Stanford University Interim channel model, this simple scheme achieves as much as 10 dB gain in video quality at the receiver.
引用
收藏
页码：867 / U195
页数：2
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