Green Virtualization for Multiple Collaborative Cellular Operators - 2017

PROJECT TITLE :

Green Virtualization for Multiple Collaborative Cellular Operators - 2017

ABSTRACT:

This paper proposes and investigates a inexperienced virtualization framework for infrastructure sharing among multiple cellular operators whose networks are powered by a combination of standard and renewable sources of energy. Under the proposed framework, the virtual network fashioned by unifying radio access infrastructures of all operators is optimized for minimum energy consumption by deactivating base stations (BSs) with low traffic loads. The users initially associated to those BSs are off-loaded to neighboring active ones. A fairness criterion for collaboration based on roaming prices is introduced to hide the additional energy costs incurred by host operators. The framework additionally ensures that any collaborating operator is not negatively plagued by its participation within the proposed virtualization. A multi-objective linear programming downside is formulated to attain energy and value efficiency of the networks' operation by identifying the set of inter-operator roaming prices. For the case when collaboration among all operators is infeasible thanks to profitability, capability, or power constraints, an iterative algorithm is proposed to work out the teams of operators that may viably collaborate. Results show vital energy savings using the proposed virtualization as compared to the standalone case. Moreover, collaborative operators exploiting locally generated renewable energy are rewarded more than traditional ones.

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