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This paper addresses the problem of video streams transmission in 802.11b based Mobile Ad-hoc NETworks (MANETs). Through the study of the delivery of a live encoded video stream, the authors expose the characteristics of different routing protocols and the infeasibility to provide QoS. The analysis shows the impact of a MANET on H.264 real-time video flows in terms of packet loss, end-to-end delay, jitter and distortion, and the behavior of H.264 error resilience tools in order to determine their effectiveness on such network scenarios. The results show that video traffic has demands that are hard to be met by a standard MANET, and that improvements are required in terms of routing protocols and QoS provisioning either on the MAC layer or at IP level using traffic shaping tools.
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