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Coverage Probability Analysis of Cognitive Heterogeneous Cellular Networks Based on Stochastic Geometry

机译:基于随机几何的认知异构细胞网络的覆盖概率分析

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摘要

In this report, a Cognitive Radio (CR) based statistical framework for a two-tier heterogeneous cellular network (macro-femto network) is presented to model the coverage probability at any arbitrary secondary user (femto user), while operating in the presence of a collocated primary network (macro nodes). Utilizing the theory of Poisson point process (PPP), a system model based on stochastic geometry is introduced to model the random locations and topology of both primary and secondary networks (macro-femto networks). We provide an overview of how CR idea is able to potentially mitigate interference in two-tier heterogeneous networks. We also present a Reinforcement Learning (RL) based power control strategy per femto user in interference-limited networks over the above model which provides each femto user with a guaranteed amount of coverage probability for a given signal-to-interference-plus-noise-ratio (SINR) target.
机译:在本报告中,提出了一种用于两层异构蜂窝网络(宏毫微微网络)的基于认知无线电(CR)的统计框架,以在存在以下情况的情况下对任意任意辅助用户(毫微微用户)的覆盖率建模。并置的主网络(宏节点)。利用泊松点过程(PPP)的理论,引入了一种基于随机几何的系统模型来对主要和次要网络(宏毫微微网络)的随机位置和拓扑进行建模。我们概述了CR思想如何能够潜在地减轻两层异构网络中的干扰。在上述模型的干扰受限网络中,我们还将提出一种基于增强学习(RL)的功率控制策略,该策略针对受干扰的网络中的每个毫微微用户,为每个毫微微用户提供给定信号干扰比噪声的保证覆盖率。比率(SINR)目标。

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