Adaptive qos control for scalable video streaming over WLAN

Authors:
Hee Young Cho;Doug Young Suh;Gwang Hoon Park
Affiliations:
Media Lab., Kyunghee Univ., Youngin-si, Kyunggido, Korea;Media Lab., Kyunghee Univ., Youngin-si, Kyunggido, Korea;Media Lab., Kyunghee Univ., Youngin-si, Kyunggido, Korea
Venue:
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
Year:
2006

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Abstract

This paper is proposing a cross-layer optimization method in streaming video over WLAN. Packet losses of layers encoded by H.264 based scalable video codec are recovered by priority differentiated Reed Solomon erasure code. The optimal set of video layers to be transmitted and optimal FEC levels of video layers are determined under the constraints on channel condition time-varying with respect to packet loss ratio and available bandwidth.