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Proceedings Paper

Rate adaptive live video communications over IEEE 802.11 wireless networks
Author(s): W. Dai; Sachin Patil; Pankaj Topiwala; David Hench
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Paper Abstract

Rate adaptivity is an important concept in data intensive applications such as video communications. In this paper, we present an example rate adaptive, live, video communications system over IEEE 802.11 wireless networks, which integrate channel estimation, rate adaptive video encoding, wireless transmission, reception, and playback. The video stream over the wireless network conforms to the RTP payload format for H.264 video, and can be retrieved and displayed by many popular players such as QuickTime and VLC. A live, video-friendly, packet-dispersion-based algorithm will be used to estimate the available bandwidth, which is then used to trigger rate control to achieve rate adaptive video coding on the fly.

Paper Details

Date Published: 24 September 2007
PDF: 12 pages
Proc. SPIE 6696, Applications of Digital Image Processing XXX, 66960O (24 September 2007); doi: 10.1117/12.776810
Show Author Affiliations
W. Dai, FastVDO LLC (United States)
Sachin Patil, FastVDO LLC (United States)
Pankaj Topiwala, FastVDO LLC (United States)
David Hench, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 6696:
Applications of Digital Image Processing XXX
Andrew G. Tescher, Editor(s)

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