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首页> 外文会议>International Conference on ITS Telecommunications >A cluster based scheme for interference mitigation in mobile macrocell-femtocell networks
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A cluster based scheme for interference mitigation in mobile macrocell-femtocell networks

机译：基于群集的移动宏小区 - 毫微微小区网络的干扰缓解方案

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摘要

In this paper, we consider a power control scheme for co-channel deployment of femtocells in the umbrella of macrocell LTE. The severe interference in the downlink from the femtocells should be controlled to guarantee the Quality of Service (QoS) required by the macrocell users. We used clustering method for grouping femtocells according to their geographical localizations. For this scenario, we proposed a hybrid scheme that combines both centralized and distributed schemes to minimize the total power consumption at femtocells, while guaranteeing the QoS of their users. Simulation results showed that our proposed power scheme can allocate power efficiently on the resource blocks in femtocells while obtaining a small performance reduction in femtocell compared to the fully distributed scheme. As well, our method minimized the signaling overhead compared to the fully centralized power allocation scheme.
机译：在本文中，我们考虑了用于宏小区LTE伞的毫微微蜂窝的共信道部署的功率控制方案。应控制来自毫微微蜂窝的下行链路的严重干扰，以保证宏小区用户所需的服务质量（QoS）。我们使用了根据其地理位置来分组毫微微小区的聚类方法。对于这种情况，我们提出了一种混合方案，将集中式和分布式方案结合起来以最小化毫微微小区的总功耗，同时保证其用户的QoS。仿真结果表明，与完全分布式方案相比，我们所提出的电力方案可以在毫微微小区的资源块上有效地分配功率。同样，与完全集中式功率分配方案相比，我们的方法最小化了信令开销。

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