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A two-step adaptive error recovery scheme for video transmission over wireless networks

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2 Author(s)
Daji Qiao ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; K. G. Shin

In this paper, we investigate the transmission of H.263 video sequences over wireless networks with error recovery provided by a two-step adaptive hybrid ARQ scheme using RS codes. Each video frame is divided into data packets for transmission. For each packet transmission, by using a simple table-driven approach, the best RS code is selected from a given set of codes to minimize the transmission overhead. Further, an additional adaptation step is used to guarantee certain QoS requirement. Simulation results show that the proposed error recovery scheme outperforms the traditional single-code schemes and the single-step error recovery schemes thanks to its adaptability to both the wireless channel conditions and the actual frame loss events

Published in:

INFOCOM 2000. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE  (Volume:3 )

Date of Conference:

26-30 Mar 2000