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The performance of network-controlled mobile data offloading from LTE to WiFi networks

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  • Desta Haileselassie Hagos

    (UNIK - University Graduate Centre)

Abstract

Global mobile data traffic consumption and usage continues to increase rapidly leading to congested networks. Currently, cellular networks are overloaded with mobile data traffic due to the rapid growth of mobile broadband subscriptions and the increasing popularity of diversified applications for smartphones with multiple wireless interfaces and the flat-rate pricing model of cellular networks. One possible practical solution to alleviate this problem is the offloading of mobile data traffic from the primary access technology to the WiFi infrastructure to gain extra capacity and improve the overall network performance. As the strategy what and when to offload data is non-trivial, it is of vital importance to develop novel algorithms to guide this process. This paper addresses solutions for network-controlled WiFi offloading in Long Term Evolution (LTE) cellular networks when performance needs exceed the capability of the LTE access. It then compares the performance of each access technology using different network performance metrics. In detail, an optimized signal-to-noise ratio-threshold based handover solution and extension to the 3rd Generation Partnership Project standard for Access Network Discovery and Selection Function (ANDSF) framework for WiFi offloading is proposed. Our simulation results have shown that ANDSF discovery can be used to control the amount of WiFi offloading.

Suggested Citation

  • Desta Haileselassie Hagos, 2016. "The performance of network-controlled mobile data offloading from LTE to WiFi networks," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 61(4), pages 675-694, April.
    • Handle: RePEc:spr:telsys:v:61:y:2016:i:4:d:10.1007_s11235-015-0061-2
    DOI: 10.1007/s11235-015-0061-2
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    Cited by:

    1. Feng Yan & Patrick Maillé & Xavier Lagrange, 2021. "Performance analysis of cellular networks with delay tolerant users," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 77(1), pages 241-253, May.
    2. Amir M. Ahmadzadeh & Lucas Cuadra & Miguel A. Arco-Vega & J. Antonio Portilla-Figueras & Sancho Salcedo-Sanz, 2018. "Influence of overhead on LTE downlink performance: a comprehensive model," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 67(3), pages 485-517, March.

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