Abstract
Optimizing wireless bandwidth utilization is one of the numerous challenges in wireless IP multimedia systems design. This paper describes and evaluates the performance of a novel Application Level Framing protocol for efficient transmission of H.264 video over error- prone wireless IP links. The proposed ALF protocol introduces an innovative loss spreading scheme for video streaming services which is based on (i) a bandwidth-efficient adaptive H.264 video fragmentation and (ii) an unequal-interleaved protection for improving FEC efficiency. Both video fragmentation and interleaving are coordinated in a frame-based granularity providing bounded end-to-end delays. Performance evaluation results show that the proposed protocol allows graceful video quality degradation over error-prone wireless links while minimizing the overall bandwidth consumption and the end-to-end latency.
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Nafaa, A., Aoul, Y.H., Negru, D., Mehaoua, A. (2004). A Bandwidth-Efficient Application Level Framing Protocol for H.264 Video Multicast over Wireless LANs. In: Vicente, J., Hutchison, D. (eds) Management of Multimedia Networks and Services. MMNS 2004. Lecture Notes in Computer Science, vol 3271. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30189-9_2
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DOI: https://doi.org/10.1007/978-3-540-30189-9_2
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