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This paper considers making balance on the tradeoff between power consumption and extra delay in WiMAX Power Saving. Though it seems quite well understood in case of Poisson traffic, the tradeoff between energy and delay has not been adequately studied in existing literature. We therefore investigate in this work to propose a mechanism of tuning the tradeoff such that users/applications can make their...
Several studies have showed that network features (e.g., packet interval and packet size) may be well modeled by a hidden Markov model (HMM) with appropriate hidden variables that capture the current state of the network. In this paper, we propose a prediction mechanism on the basis of the HMM model to assist the Power Saving (PS) in WiMAX. In comparison with prior models whose analyses are often...
The handover mechanism in wireless networks has been intensively investigated in the past years. The traditional solutions are to customize various protocols in different layers to provide uninterrupted communication, which is particularly important for real time traffic. In this paper, we intend to exploit silence gap, inherently existing in realtime traffic, to improve handover performance. The...
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