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    Green Networking in Cellular HetNets: A Unified Radio Resource Management Framework with Base Station ON/OFF Switching

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    Type
    Article
    Authors
    Ghazzai, Hakim cc
    Farooq, Muhammad Junaid cc
    Alsharoa, Ahmad
    Yaacoub, Elias
    Kadri, Abdullah
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2016-12-07
    Online Publication Date
    2016-12-07
    Print Publication Date
    2017-07
    Permanent link to this record
    http://hdl.handle.net/10754/621998
    
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    Abstract
    In this paper, the problem of energy efficiency in cellular heterogeneous networks (HetNets) is investigated using radio resource and power management combined with the base station (BS) ON/OFF switching. The objective is to minimize the total power consumption of the network while satisfying the quality of service (QoS) requirements of each connected user. We consider the case of co-existing macrocell BS, small cell BSs, and private femtocell access points (FAPs). Three different network scenarios are investigated, depending on the status of the FAPs, i.e., HetNets without FAPs, HetNets with closed FAPs, and HetNets with semi-closed FAPs. A unified framework is proposed to simultaneously allocate spectrum resources to users in an energy efficient manner and switch off redundant small cell BSs. The high complexity dual decomposition technique is employed to achieve optimal solutions for the problem. A low complexity iterative algorithm is also proposed and its performances are compared to those of the optimal technique. The particularly interesting case of semi-closed FAPs, in which the FAPs accept to serve external users, achieves the highest energy efficiency due to increased degrees of freedom. In this paper, a cooperation scheme between FAPs and mobile operator is also investigated. The incentives for FAPs, e.g., renewable energy sharing and roaming prices, enabling cooperation are discussed to be considered as a useful guideline for inter-operator agreements.
    Citation
    Ghazzai H, Farooq MJ, Alsharoa A, Yaacoub E, Kadri A, et al. (2016) Green Networking in Cellular HetNets: A Unified Radio Resource Management Framework with Base Station ON/OFF Switching. IEEE Transactions on Vehicular Technology: 1–1. Available: http://dx.doi.org/10.1109/TVT.2016.2636455.
    Sponsors
    This work was made possible, in part, by NPRP grant # 6-001-2-001 from the Qatar National Research Fund (A member of The Qatar Foundation). The statements made herein are solely the responsibility of the authors
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Transactions on Vehicular Technology
    DOI
    10.1109/TVT.2016.2636455
    arXiv
    arXiv:1612.01416
    Additional Links
    http://ieeexplore.ieee.org/document/7776901/
    ae974a485f413a2113503eed53cd6c53
    10.1109/TVT.2016.2636455
    Scopus Count
    Collections
    Articles; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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