Abstract
Focusing on the uplink video transmission over a two-hop mobile network, we analyze the video performance in terms of packet loss probability and packet delay distribution. The burst arrival nature and strong correlation of video traffic are taken into account by using a discrete-time batch Markovian arrival process. The impact of packet transmissions between the two hops is investigated by properly modelling the packet departure process of the first hop. To address a strict delay constraint for video services, we consider a buffer size limit in the first hop and a proactive packet discard policy in the second hop. Numerical results based on video traces demonstrate the effectiveness of the proposed analytical approach.
Published Version
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