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    Energy and Bursty Packet Loss Tradeoff Over Fading Channels: A System-Level Model

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    Date
    2018
    Author
    Butt M.M.
    Jorswieck E.A.
    Mohamed A.
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    Abstract
    Energy efficiency and quality of service (QoS) guarantees are the key design goals for the 5G wireless communication systems. In this context, we discuss a multiuser scheduling scheme over fading channels for loss tolerant applications. The loss tolerance of the application is characterized in terms of different parameters that contribute to quality of experience (QoE) for the application. The mobile users are scheduled opportunistically such that a minimum QoS is guaranteed. We propose an opportunistic scheduling scheme and address the cross-layer design framework when channel state information (CSI) is not perfectly available at the transmitter and the receiver. We characterize the system energy as a function of different QoS and channel state estimation error parameters. The optimization problem is formulated using Markov chain framework and solved using stochastic optimization techniques. The results demonstrate that the parameters characterizing the packet loss are tightly coupled and relaxation of one parameter does not benefit the system much if the other constraints are tight. We evaluate the energy-performance tradeoff numerically and show the effect of channel uncertainty on the packet scheduler design. - 2016 IEEE.
    DOI/handle
    http://dx.doi.org/10.1109/JSYST.2016.2528823
    http://hdl.handle.net/10576/12445
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    • Computer Science & Engineering [‎2429‎ items ]

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