Publication:
Efficient Management of Flexible Functional Split through Software Defined 5G Converged Access

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ISSN: 1938-1883
ISBN: 978-1-5386-3180-5
ISBN: (PoD) 978-1-5386-3181-2
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2018-07-31
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IEEE
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Softwarization of mobile and optical networks facilitates the inter-working between control planes of the two domains, allowing a more efficient management of available resources. Radio resource utilization benefits from the centralization of mobile network functionalities with the application of high-order functional split options by fronthauling. However, higher-order options require larger bandwidth and lower latency in the fronthaul. Advanced mechanisms for the joint control of the access network represent the sole solution to support such fronthaul requirements. This paper proposes a new cooperation scheme to manage the adaptive flexible functional split in 5G networks conditioned to the resource availability in the optical access network. Results show that the proposed converged approach guarantees the optimal allocation of optical resources through a software defined wavelength and bandwidth allocation. The proposed scheme adapts to current traffic demand and simultaneously allows the mobile network to take advantage of the highest possible centralization of mobile network functions by leveraging flexible functional split adaptively compliant to the current optical traffic demand.
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Marotta, A., Cassioli, D., Kondepu. K., Antonelli, C., Valcarenghi, L. (2018). Efficient Management of Flexible Functional Split through Software Defined 5G Converged Access. Paper submitted in 2018 IEEE International Conference on Communications (ICC), Kansas City.