Abstract
Energy-efficient resource allocation in mobile network is of great importance in reducing the total energy consumption of the network and its operational cost, thus realizing green communication. In this study, a novel resource block allocation method to minimize the total energy consumption of a carrier aggregation based LTE-A network by taking into account its energy balance between downlink and uplink is proposed. The resource block allocation problem has been considered and solved in the aspects of (i) optimization of bandwidth and power allocation and (ii) resource block allocation based on the allocated bandwidth and power. A mathematical model and some transformations concerning these aspects have been presented and evaluated by simulation using iteration method. Simulation results show that the proposed model and its solution methods are correct and the proposed method is effective in minimizing total network energy consumption.
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Parameters in the experiments of this work are widely used in the previous researches and practice, and comply with the standards of 3GPP and ITU-T. We assure that we will provide the experiment data as much as possible in case reviewers require the transparency of the experiment results of this work.
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LP codes and Least-square non-linear programming codes of this work used the standard library functions of MATLAB.
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CJ: Design of the Work, Proposal of the basic idea, Data analysis and integration, Construction of algorithm, Writing and revision of manuscript. Jae-Hyon Kim: Exploration and analysis of previous research results. Approved the version to be published , C-SP: Mathematical formulation, transformation and expansion. C-MN: Writing calculation program codes and Checking results. J-HR: Writing calculation program codes, Plotting graphs of experiment results and Writing manuscript.
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Jong, C., Kim, JH., Pak, CS. et al. A Study on the Resource Block Allocation Method to Enhance the Total Energy Efficiency for LTE-A Networks. Wireless Pers Commun 123, 2679–2697 (2022). https://doi.org/10.1007/s11277-021-09260-y
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DOI: https://doi.org/10.1007/s11277-021-09260-y