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Cooperation within the Small Cell: The indoor, correlated shadowing case

机译：小型小区内的合作：室内相关的遮蔽案例

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The deployment of Small Cells in fourth generation (4G) communication systems is aimed at providing significant capacity improvements and higher availabilities. However, the design of Small Cell systems in indoor environments is especially challenging due to high shadowing attenuation induced by clutter and human blockage. This paper studies node cooperation and multiple relaying and proposes novel analytical formulas for the outage probability of cooperative Small Cells suffering from shadowing. The channel fading gains are modeled as correlated lognormal random variables, in order to reflect the properties of indoor propagation environments. Various cooperative strategies are considered, taking into account the use of one or two relays and different receiver combining techniques. In addition, the relative performance of each cooperative configuration and the benefit of cooperation over non-cooperation are investigated. Finally, interesting and useful insights are produced regarding the impact of the correlated lognormal environment parameters on the configuration of cooperative Small Cells.
机译：在第四代（4G）通信系统中部署小型小区的目的是提供显着的容量改进和更高的可用性。但是，由于杂波和人为阻塞导致的高阴影衰减，室内环境中的小型蜂窝系统的设计尤其具有挑战性。本文研究了节点协作和多重中继，并为协作小小区遭受阴影的中断概率提出了新颖的解析公式。为了反映室内传播环境的特性，将信道衰落增益建模为相关的对数正态随机变量。考虑到一个或两个中继的使用以及不同的接收器组合技术，考虑了各种协作策略。此外，还研究了每种协作配置的相对性能以及协作对非协作的好处。最后，关于相关对数正态环境参数对协作小小区配置的影响，产生了有趣而有用的见解。

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