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Radio access network design with software-defined mobility management

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Abstract

The softwarization of wireless networks has necessitated an overhaul of existing mobility management strategies. Specifically, mobility management is no longer constrained to function within the boundaries of a pre-existing radio access network. Softwarization of the network infrastructure allows resource configurations and associations to be changed on-demand, in a manner so as to support a least cost mobility management framework. To this end, this paper presents an optimal radio access network design framework augmented with user-specific clusters from the perspective of mobility management. The proposed framework is supported by a detailed mathematical model that characterizes user mobility, system traffic, and signaling costs. Performance evaluation is based on a cost comparison with conventional LTE/NR networks, and reinforces the fact that the framework proposed herein results in significant cost reduction, even in the face of changing network scenarios.

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Acknowledgements

The research has been partially supported by the Russian Ministry of Science and Higher Education (Contract No. 14.W03.31.0019).

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Authors and Affiliations

  1. Broadband Wireless Networking Laboratory, School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA

    Ahan Kak & Ian F. Akyildiz

  2. Wireless Networks Lab, Institute for Information Transmission Problems of the Russian Academy of Sciences, Moscow, Russia

    Aleksey Kureev, Evgeny Khorov & Ian F. Akyildiz

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  1. Ahan Kak
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  2. Aleksey Kureev
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  4. Ian F. Akyildiz
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Correspondence to Ahan Kak.

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Kak, A., Kureev, A., Khorov, E. et al. Radio access network design with software-defined mobility management. Wireless Netw 26, 3349–3362 (2020). https://doi.org/10.1007/s11276-020-02264-9

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