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Dynamic Virtual Resource Allocation in Virtualized multi-RAT Cellular Networks

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Abstract

The legacy wireless systems are designed to exploit static configuration and deployment, and cannot handle the discrepancies of the spatio-temporal traffic demand. Cloud RAN (C-RAN) is a novel flexible radio technology that utilizes the virtualization concepts and can efficiently address the static deployment of conventional wireless systems. The C-RAN also leverages high radio network flexibility by introducing the network function virtualization approach to wireless networks. This paper presents a novel C-RAN platform that virtualizes and operates with full GSM and LTE systems. The presented platform is solely based on open-source and off the shelf solutions, providing easy implementation, low cost and high scalability. The paper also introduces a novel dynamic resource allocation algorithm that facilitates the C-RAN’s optimal performance in dynamic scenarios. The proposed algorithm is analyzed and validated on the presented C-RAN platform. The results of the performance analysis clearly show the advantages of the proposed dynamic resource allocation algorithm. Moreover, they prove the applicability of the C-RAN platform for variety of different scenarios.

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Authors and Affiliations

  1. Faculty of Electrical Engineering and Information Technologies, Ss Cyril and Methodius University in Skopje, Rugjer Boskovic 18, Skopje, 1000, Macedonia

    Valentin Rakovic, Aleksandar Ichkov, Simona Marinova, Davor Todorovski, Vladimir Atanasovski & Liljana Gavrilovska

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  1. Valentin Rakovic
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  2. Aleksandar Ichkov
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  3. Simona Marinova
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  4. Davor Todorovski
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  5. Vladimir Atanasovski
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  6. Liljana Gavrilovska
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Correspondence to Valentin Rakovic.

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Rakovic, V., Ichkov, A., Marinova, S. et al. Dynamic Virtual Resource Allocation in Virtualized multi-RAT Cellular Networks. Wireless Pers Commun 97, 1677–1692 (2017). https://doi.org/10.1007/s11277-017-4568-6

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  • DOI: https://doi.org/10.1007/s11277-017-4568-6

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