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Deployment algorithm for femtocells in multi-tiered wireless cellular network

机译:多层无线蜂窝网络中的毫微微小区部署算法

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In this paper we present the deployment algorithm for femtocells in capacity-limited scenario. We consider the operator-deployed femtocells that extend outdoor coverage to the areas that are poorly served by the existing macro-cellular network. To satisfy the interests of WSP and customers we propose an automated tool that carefully plans the femto-deployment. Our objective is to deploy femtocells in a single macrocell to satisfy the current traffic demand of the network and not to exceed the budget constraint for WSP. The proposed deployment algorithm PDA is based on geometrical segmentation of macro-cell, heuristic levels of traffic intensity and user distribution. To estimate the PDA effectiveness we suggest two simple deployment algorithms: SDA1 and SDA2. Also, we carry out a cost analysis to evaluate the economical perspectives of the deployment for WSP. Finally, three deployment algorithms with respect to number of installed femtocells, number of supported users and profits for WSP are investigated. Through simulations we show that the proposed deployment algorithm PDA surpasses among two other simple algorithms.
机译:在本文中,我们提出了在容量受限的情况下毫微微小区的部署算法。我们考虑了运营商部署的毫微微小区,这些毫微微小区将室外覆盖范围扩展到现有宏蜂窝网络服务不良的区域。为了满足WSP和客户的利益,我们提出了一种自动计划毫微微部署的自动化工具。我们的目标是在单个宏小区中部署毫微微小区,以满足网络当前的流量需求,并且不超过WSP的预算限制。所提出的部署算法PDA基于宏小区的几何分割,流量强度的启发式级别和用户分布。为了评估PDA的有效性,我们建议使用两种简单的部署算法:SDA1和SDA2。此外,我们进行了成本分析,以评估WSP部署的经济前景。最后,针对已安装的毫微微小区数量,支持的用户数量和WSP的利润,研究了三种部署算法。通过仿真,我们证明了所提出的部署算法PDA超越了其他两个简单算法。

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