Publication No 40551

Author(s)

Proebster, M.*

Title

Size-Based Scheduling to Improve the User Experience in Cellular Networks - Communication Networks and Computer Engineering Report No. 115

Topics

Mobile Communications

Methods

Performance Evaluation

Keywords

RESOURCE ALLOCATION; QOS; CELLULAR SYSTEM; VIDEO STREAMING

Abstract

The prevailing enormous traffic growth in cellular networks may increasingly lead to overload situations where traffic demand exceeds the capacity of the network. With classical schedulers, such overload strongly impairs user experience, especially for interactive web services and media streaming applications. So-called Shortest-First schedulers are known to minimize transmission times. However, they originally exhibit low spectral efficiency and do not handle video traffic satisfactorily. This thesis contains two major contributions that provide a solution for both problems. First, an enhancement for Shortest-First schedulers is proposed that allows to tune the schedulers towards opportunistic algorithms. Second, the introduction of a mapping function which translates the client-side buffer level of a video streaming application into an equivalent object size makes it possible to seamlessly and beneficially integrate this traffic class into the scheduling algorithm without further changes.

Year

2016

Reference entry

Proebster, M.
Size-Based Scheduling to Improve the User Experience in Cellular Networks - Communication Networks and Computer Engineering Report No. 115
Dissertation, Universität Stuttgart, Informatik, Elektrotechnik und Informationstechnik, 2016

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