Cross-layer feedback control for video communications via mobile ad-hoc networks

被引：4
|
作者：
Gharavi, H [1 ]
Ban, K [1 ]
机构：
[1] NIST, Gaithersburg, MD 20899 USA
来源：
2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS | 2003年
关键词：
RTP video; H.264/AVC; mobile ad-hoc networks (MANET); IEEE; 802.11; WLAN; testbed;
D O I：
10.1109/VETECF.2003.1286162
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：
This paper presents a cross-layer feedback control scheme for video communications over unstructured mobile networks for tactical operations. A peer-to-peer mobile ad-hoc network has been considered for the experimental testbed. Since ad-hoc networks can suffer greatly from heavy packet loss, in a multihop transmission we have considered a number of protection schemes to maximize the perceived quality of the video signal. In particular, we developed a rate control as well as a packet recovery scheme based on the network characteristics derived from the underlying ad-hoc routing protocol. In addition, to further enhance the quality of service, a redundant packet transmission scheme is presented for lossy recovery of the missing packets.
引用
收藏
页码：2941 / 2945
页数：5
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