Energy-Saving Management Mechanism Based on Hybrid Energy Supplies for LTE Heterogeneous Networks

Energy-Saving Management Mechanism Based on Hybrid Energy Supplies for LTE Heterogeneous Networks
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基于混合供能的LTE异构网络节能管理机制

DOI:
10.1155/2016/3121538
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发表时间:
2016-08
影响因子:
--
通讯作者:
邱雪松
邱雪松
中科院分区:
计算机科学4区
文献类型:
--
作者:
喻鹏;丰雷;李文璟;邱雪松

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针对LTE异质网络中缺乏基于混合能源的综合节能方法,提出了一种考虑混合能源和自组织网络的综合节能管理机制。该机制首先建立了混合能源供应下的ES优化模型。在此基础上,提出了在实际网络环境下求解该模型的SON框架。根据该框架,我们将ES问题划分为话务量变化预测、区域基站模式确定、BS-用户关联和供电四个阶段。并提出了四种相应的低复杂度算法来解决这些问题。在LTE底层异质网络环境下进行了仿真。实验结果表明,与其他算法相比,该机制在保证网络覆盖、干扰和服务质量在可接受的范围内的同时,可以节省47.4%的网络能耗,具有重要的绿色经济意义。
Aiming at the lack of integrated energy-saving (ES) methods based on hybrid energy supplies in LTE heterogeneous networks, a novel ES management mechanism considering hybrid energy supplies and self-organized network (SON) is proposed. The mechanism firstly constructs ES optimization model with hybrid energy supplies. And then a SON framework is proposed to resolve the model under practical networks. According to the framework, we divide the ES problem into four stages, which are traffic variation prediction, regional Base Station (BS) mode determination, BS-user association, and power supply. And four corresponding low-complexity algorithms are proposed to resolve them. Simulations are taken on under LTE underlay heterogeneous networks. Compared with other algorithms, results show that our mechanism can save 47.4% energy consumption of the network, while keeping coverage, interference, and service quality above acceptable levels, which takes on great green-economy significance.
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