An adaptive FEC scheme for firm real-time multimedia communications in wireless networks

被引：0
|
作者：
Kim, KH [1 ]
Kim, J [1 ]
Hong, SJ [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Comp Sci & Engn, Pohang 790784, South Korea
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2005年 / E88B卷 / 07期
关键词：
wireless technologies; real-time multimedia communications; window-constrained task model; (m; k)-firm task model; error correcting codes;
D O I：
10.1093/ietcom/e88-b.7.2794
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：
The technological development of wireless environment has made real-time multimedia communications possible in wireless networks. Many studies have been done on real-time communications in wireless networks in order to overcome a higher bit error rate in wireless channels. However, none of work deals with firm real-time communications which can be applied to multimedia communications. In this paper, we propose an adaptive error correcting scheme for firm real-time multimedia communications in wireless networks in order to maximize the expected net profit. The proposed scheme adaptively selects an error correcting code under the current air state and the message state of a message stream. Throughout simulation results, we show that the suggested scheme provides more profit than single error-correcting code schemes.
引用
收藏
页码：2794 / 2801
页数：8
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