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Energy efficient dynamic optimal control of LTE base stations: solution and trade-off

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The demand to reduce energy consumption in wireless networks has become popular recently. In this paper, aimed at the problem that how to reduce energy consumption through on-off control in wireless networks without losing system performance significantly, we present our solution both in a single base station and the multi-base station scenario. Under the assumption that the network arrival and departure process are Markov, we first model and solve the problem of optimal on-off control in single base station scenario using dynamic integer programming (DIP) method, then we extend the optimal solution to multi-base station scenario and raise an effective heuristic method in two layer networks, the trade-off between QoS level and energy consumption has been given according to our analysis and simulation. Numerical results are provided to demonstrate that the proposed method offer significant gain in terms of the energy efficiency.

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Author information

Correspondence to Wei Wei.

Additional information

This work is supported by: National Basic Research Program of China (2012CB316002); National Natural Science Foundation of China (61201192); Beilin District 2012 High-tech Plan, Xi’an, China (No. GX1504);Xi’an Science and Technology Project (CXY1440(6)); Shaanxi Scientific Research (2014k07-11); the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20136118120010).The work of Su Hu was supported jointly by National Key Research and Development Program (Grant No. 2016YFE0123200), National Natural Science Foundation of China (Grant No. 61471100/61101090/61571082), Open research fund of Science and Technology on Electronic Information Control Laboratory (Grant No. 6142105040103) and Fundamental Research Funds for the Central Universities (Grant No. ZYGX2015J012/ ZYGX2014Z005). The author would also like to thank all the reviewers, their suggestions help improve my work a lot. Part of this work is accepted and presented in IEEE ICCT 2015, Hangzhou, China [42].

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Huang, D., Wei, W., Gao, Y. et al. Energy efficient dynamic optimal control of LTE base stations: solution and trade-off. Telecommun Syst 66, 701–712 (2017). https://doi.org/10.1007/s11235-017-0318-z

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  • Energy efficient
  • On-off control
  • Trade-off
  • Flexible coverage
  • Integer programming