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Modeling of adaptive wireless link for MPEG-4 video transport in UMTS network

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2 Author(s)
AL-Suhail, G.A. ; Comput. Eng. Dept., Univ. of Barash, Barash, Iraq ; Kennedy, R.A.

Conventional transmission schemes perform poorly in wireless channels. In this paper, an analytical adaptive model for wireless links via heuristic TCP/FEC functions is proposed with chosen modulation format for transporting mobile MPEG-4 video. A wireless channel introduces that the bit errors at the link-layer packets are due to time-invariant features over UMTS network and consequently the optimal perceived video quality at the client can be improved when adaptive TCP throughput after error-corrections is achieved for the certain predefined system threshold of the residual packet error rate. The simulation results show that a video quality can dynamically adapt to the optimal FEC codes at an appropriate selection for modulation scaling in the radio-link layer.

Published in:

Signal Processing and Communication Systems, 2009. ICSPCS 2009. 3rd International Conference on

Date of Conference:

28-30 Sept. 2009