Queueing analysis of the DRX power saving mechanism in fault-tolerant 3GPP LTE wireless networks

Ioannis Dimitriou ()
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Ioannis Dimitriou: Aristotle University of Thessaloniki (A.U.TH.)

Annals of Operations Research, 2016, vol. 239, issue 2, No 9, 552 pages

Abstract: Abstract Energy efficiency and high reliability are major aspects of modern mobile wireless networks. Therefore, it is a critical step to use power management methods along with fault-tolerant techniques. In this paper, we mathematically investigate the Discontinuous Reception, a power saving mechanism in 3GPP LTE wireless networks, with checkpointing and rollback recovery using a variant of an M/G/1 queue with a modified service time and multiple vacations. Due to the lack of enough storage, the mobile device periodically stores its checkpoint data in a stable fixed server, and rolling back to the latest checkpoint when a transient fault or a wireless link error occurs. Various energy and performance metrics are obtained, while constrained optimization problems are formulated and solved. Extensive numerical results are provided, and give an insight into the operation of the model.

Keywords: Discontinuous reception (DRX); Power saving; Long term evolution (LTE); Fault-tolerance; Downlink traffic; Uplink traffic; Queueing theory (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10479-014-1662-y

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