Adaptive Service Rate and Vacation Length for Energy-Efficient HeNB Based on Queueing Analysis
Adaptive Service Rate and Vacation Length for Energy-Efficient HeNB Based on Queueing Analysis
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基于排队分析的节能HeNB自适应服务率和假期长度
DOI：
10.1109/tvt.2015.2506603
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发表时间：
2016-10
影响因子：
6.8
通讯作者：
Huang Shiwei
中科院分区：
文献类型：
--
作者：
Zhang Hong;Cai Jun;Li Xiaolong;Huang Shiwei
To improve the energy efficiency of small-cell networks, in this paper, we analyze the operating procedure of home base stations, i.e., Home evolved Node B (HeNB), in femtocells, by introducing an MAP/PH/1/k queueing model. In this analytical model, the HeNB's power on/off is represented as the alternative service and vacation periods. In addition, the hybrid-access mode defined in Third-Generation Partnership Project (3GPP) Release 9 is considered, which involves both high-priority and low-priority users. Based on the analytical results, an adaptive service rate and vacation length (ASV) method is proposed to maximize the HeNB's energy efficiency while satisfying its quality-of-service (QoS) requirements, such as blocking probability and user waiting time. Simulation results demonstrate that the proposed ASV method is more effective in improving energy efficiency compared with its counterpart.
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