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AuthorButt M.M.
AuthorJorswieck E.A.
AuthorMohamed A.
Available date2020-01-01T10:25:02Z
Publication Date2018
Publication NameIEEE Systems Journal
AbstractEnergy 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.
SponsorManuscript received March 26, 2015; revised November 12, 2015; accepted February 06, 2016. Date of publication April 04, 2016; date of current version March 23, 2018. This work was made possible by NPRP grant 5-782-2-322 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
PublisherInstitute of Electrical and Electronics Engineers Inc.
dc.source Scopus
SubjectCross-layer design
Subjectenergy efficiency
Subjectgreen communications
SubjectMarkov chain
Subjectopportunistic scheduling
Subjectradio resource allocation
TitleEnergy and Bursty Packet Loss Tradeoff Over Fading Channels: A System-Level Model
Issue Number1
Volume Number12

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