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Dynamic adjustment packet control for video communications over ad-hoc networks

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2 Author(s)
Gharavi, H. ; Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA ; Ban, K.

This paper is concerned with transporting video information via multihop mobile ad-hoc channels. The major problem with transmitting real-time video information over these channels is the issue of link reliability. To improve the quality of the video reception we propose a cross layer feedback control mechanism that can allow the application layer to adapt itself to a dynamically changing network topology. We also present packet transmission strategies capable of recovering video signals under long bursts of packet drops, typical of a route change condition. This feedback control scheme has been developed for transmission of RTP/UDP/IP packets using the emerging H.264/AVC video-coding standard.

Published in:

Communications, 2004 IEEE International Conference on  (Volume:5 )

Date of Conference:

20-24 June 2004