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Stochastic Traffic Engineering for Live Audio/Video Delivering over Energy-Limited Wireless Access Networks

Abstract : We study the Stochastic Traffic Engineering (STE) problem arising from the support of QoS-demanding live (e.g., real time) audio/video applications over unreliable IP-over-wireless access pipes. First, we recast the problem to be tackled in the form of a suitable nonlinear stochastic optimization problem, and then we develop a goodput analysis for the resulting IP-over-wireless pipe that points out the relative effects of fading-induced errors and congestion-induced packet’s losses. Second, we present an optimal resource-management policy that allows a joint scheduling of playin, transmit and playout rates. Salient features of the developed joint scheduling policy are that: i) it is self-adaptive; and, ii) it is able to implement reliable Constant Bit Rate (CBR) connections on the top of unreliable energy-limited wireless pipes.
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Nicola Cordeschi, Tatiana Patriarca, Enzo Baccarelli. Stochastic Traffic Engineering for Live Audio/Video Delivering over Energy-Limited Wireless Access Networks. 10th IFIP Networking Conference (NETWORKING), May 2011, Valencia, Spain. pp.186-197, ⟨10.1007/978-3-642-20757-0_15⟩. ⟨hal-01583415⟩

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