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An Energy-Efficient User Location-Aware Switch-Off Method for LTE-A Cellular Networks

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Abstract

With the rapid development of information and communication technology, the communication networks have been more efficient and more energy-intensive. In order to decrease the energy consumption, we propose a distributed switch-off method, based on the user equipments (UEs) locations and minimax algorithm, for the orthogonal frequency division multiplexing access-based cellular networks. For the sake of obtaining a nearly optimal result, the minimax algorithm adopted the full search manner and brought higher complexity meanwhile. In the proposed method, the complexity of the minimax algorithm is decreased by narrowing the search range according to the locations of UEs. Furthermore, in order to improve energy efficiency (EE), the numbers of UEs within cells and the load factor (LF) of base stations (BSs) are jointly considered as the measure factors to switch off the appropriate BSs. Simulation results demonstrate that the proposed method can decrease the complexity with a little sacrifice of EE performance, and the joint consideration of the UEs number and LF can improve the EE effectively.

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Acknowledgments

This work is jointly supported by the National Natural Science Foundation of China under Grant 61372089 and 61201198, the Beijing Natural Science Foundation of China under Grant 4132019, and the Youth Mentor Internationality Development Plan under Grant 002000541514555.

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Authors and Affiliations

  1. College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing, China

    Xiaochen Su, Enchang Sun, Meng Li, F. Richard Yu & Yanhua Zhang

  2. Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada

    F. Richard Yu

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  1. Xiaochen Su
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  2. Enchang Sun
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  3. Meng Li
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  4. F. Richard Yu
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  5. Yanhua Zhang
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Correspondence to Enchang Sun.

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Su, X., Sun, E., Li, M. et al. An Energy-Efficient User Location-Aware Switch-Off Method for LTE-A Cellular Networks. Wireless Pers Commun 84, 1817–1833 (2015). https://doi.org/10.1007/s11277-015-2531-y

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  • DOI: https://doi.org/10.1007/s11277-015-2531-y

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