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In this paper, we address the problem of how to optimize the cross-layer transmission policy for delay-sensitive video streaming over slow-varying flat-fading wireless channels on-line, at transmission time, when the environment dynamics are unknown. We first formulate the cross-layer optimization using a systematic layered Markov decision process (MDP) framework, which complies with the layered architecture...
To control wireless network congestion, an adaptive QoS and wireless bandwidth (adaptive-QWB) was designed in this paper. The adaptive-QWB algorithm seeks an active queue management for the optimal target queue according to the dynamic varying rate of current bandwidth. The experiment results show that the varying-time of adaptive wireless bandwidth and the QoS guaranteed in transmission delay with...
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