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首页> 外文期刊>IEEE transactions on wireless communications >User-Number Threshold-Based Small-Cell On/Off Control Scheme: Performance Evaluation and Optimization
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User-Number Threshold-Based Small-Cell On/Off Control Scheme: Performance Evaluation and Optimization

机译：基于用户数阈值的小型小区开/关控制方案：性能评估和优化

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摘要

In this paper, we study the energy efficiency of small-cell on/off control schemes in which small-cells turn on when the number of active users reaches a certain threshold value called on-threshold. In particular, we derive analytical formulas for various performance metrics such as expected small-cell power consumption, average consumed energy per transmitted bit, expected energy saving, and energy saving probability. Moreover, we show that the expected small-cell power consumption strictly decreases with increased on-threshold value and derive a mathematical expression for the optimal on-threshold value that minimizes the average consumed energy per transmitted bit. With simulation results, we not only verify the validity of the analytical results but also discuss how the theoretical results can be used in system performance evaluation and optimization. We believe that many of the results in this paper can be used in practical small-cell network design and operation.
机译：在本文中，我们研究了小型蜂窝开/关控制方案的能效，在这种方案中，当活动用户数量达到称为阈值的特定阈值时，小型蜂窝便会开启。特别是，我们导出了各种性能指标的分析公式，例如预期的小小区功耗，每个传输位的平均消耗能量，预期的节能量和节能概率。此外，我们表明，预期的小小区功耗随阈值的增加而严格降低，并推导了用于最佳阈值的数学表达式，该表达式使每个传输位的平均能耗最小。通过仿真结果，我们不仅可以验证分析结果的有效性，还可以讨论如何将理论结果用于系统性能评估和优化。我们相信，本文中的许多结果可用于实际的小蜂窝网络设计和运营。

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