Abstract
By deploying dense renewable-connected small-cells, heterogeneous networks (HetNets) are able to provide spectral and energy efficiencies for 5G system. However, the small-cell base stations (BSs) may suffer the intra-cell interferences and variabilities of renewable energy. In this paper, we firstly introduce a collaborative architecture to deal with intra-cell interferences and renewable uncertainty for different-tier of users in HetNets. A stochastic optimization problem is formulated to maximize the energy efficiency of collaborative HetNet. To solve the problem, a centralized resources allocation algorithm is proposed based on random variabilities of spectrum and renewable resources. Finally, the extensive numerical results are provided to verify the effectiveness of the proposed collaborative resources allocation method.
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Acknowledgment
The work is supported in part by programs of NSFC under grant nos. 61403086, 61773126.
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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Liu, Y., Gao, Y., Xie, S., Zhang, Y. (2018). Collaborative and Green Resource Allocation in 5G HetNet with Renewable Energy. In: Romdhani, I., Shu, L., Takahiro, H., Zhou, Z., Gordon, T., Zeng, D. (eds) Collaborative Computing: Networking, Applications and Worksharing. CollaborateCom 2017. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 252. Springer, Cham. https://doi.org/10.1007/978-3-030-00916-8_2
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DOI: https://doi.org/10.1007/978-3-030-00916-8_2
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