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首页> 外文期刊>Wireless Communications, IEEE Transactions on >Stochastic Analysis of Uplink Interference in Two-Tier Femtocell Networks: Open Versus Closed Access
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Stochastic Analysis of Uplink Interference in Two-Tier Femtocell Networks: Open Versus Closed Access

机译：两层毫微微小区网络中上行链路干扰的随机分析：开放式与封闭式接入

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摘要

We introduce a stochastic analytical framework to compare the performance of open-access and closed-access modes in a two-tier femtocell network with regard to the uplink interference and the outage at both the macrocell and femtocell levels. A stochastic geometric approach is employed as the basis for our analysis. We present numerical methods to characterize the distributions of the uplink interference and the outage probabilities. We further derive sufficient conditions for the open-access and closed-access modes to outperform each other in terms of the outage probability at either the macrocell level or the femtocell level. This leads to closed-form expressions to upper and lower bound the difference in the targeted received power between the two access modes. Simulations are conducted to validate the accuracy of the analytical model and the correctness of the bounds.
机译：我们引入了一个随机分析框架，以比较两层毫微微小区网络中的开放式接入和封闭式接入模式的性能，以了解上行链路干扰以及宏小区和毫微微小区级别的中断情况。随机几何方法被用作我们分析的基础。我们提出了数值方法来表征上行链路干扰和中断概率的分布。我们进一步推导了开放式访问模式和封闭式访问模式在宏小区级别或毫微微小区级别的中断概率方面彼此胜过的充分条件。这导致封闭形式的表达式上下限限制了两种访问模式之间目标接收功率的差异。进行仿真以验证分析模型的准确性和边界的正确性。

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