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المؤلفFarooq, Muhammad Junaid
المؤلفGhazzai, Hakim
المؤلفYaacoub, Elias
المؤلفKadri, Abdullah
المؤلفAlouini, Mohamed-Slim
تاريخ الإتاحة2024-09-29T09:39:44Z
تاريخ النشر2017
اسم المنشورIEEE Transactions on Cognitive Communications and Networking
المصدرScopus
الرقم المعياري الدولي للكتاب23327731
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/TCCN.2017.2712133
معرّف المصادر الموحدhttp://hdl.handle.net/10576/59434
الملخصThis paper proposes and investigates a green virtualization framework for infrastructure sharing among multiple cellular operators whose networks are powered by a combination of conventional and renewable sources of energy. Under the proposed framework, the virtual network formed 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 cover the additional energy costs incurred by host operators. The framework also ensures that any collaborating operator is not negatively affected by its participation in the proposed virtualization. A multi-objective linear programming problem is formulated to achieve energy and cost efficiency of the networks' operation by identifying the set of inter-operator roaming prices. For the case when collaboration among all operators is infeasible due to profitability, capacity, or power constraints, an iterative algorithm is proposed to determine the groups of operators that can viably collaborate. Results show significant 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.
اللغةen
الناشرIEEE
الموضوعBase station sleeping
energy efficiency
green networking
mobile operator collaboration
roaming price
العنوانGreen Virtualization for Multiple Collaborative Cellular Operators
النوعConference Paper
الصفحات420-434
رقم العدد3
رقم المجلد3
dc.accessType Full Text


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