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Resource allocation in cellular networks employing mobile femtocells with deterministic mobility

机译:使用具有确定性移动性的毫微微小区的蜂窝网络中的资源分配

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Improvement in signal quality and service quality by femtocells offers a natural opportunity for them to be deployed in vehicles. However, resource allocation with mobile femtocells becomes challenging due to the dynamic interference patterns as the mobile femtocells move. In this paper, we introduce the problem of allocating resources in a cellular network with mobile femtocells. We consider two types of femtocells in the scenario, a) fixed femtocells (deployed in stationary location e.g train stations); and b) mobile femtocell with deterministic mobility (e.g deployed on trains). We use the speed and path information of the mobile femtocells to determine the interference relationships between different femtocells at different time instants and represent it as a time interval dependent interference graph. Finally using the interference graph, we proposed a cluster-based resource allocation algorithm. Performance analysis shows that the allocated resources with mobile femtocell in the scenario are close to the ones without mobile femtocells and much less than a random allocation.
机译:毫微微小区改善了信号质量和服务质量,为将其部署在车辆中提供了自然的机会。然而,由于随着移动毫微微小区移动的动态干扰模式,利用移动毫微微小区进行资源分配变得具有挑战性。在本文中,我们介绍了在具有移动毫微微小区的蜂窝网络中分配资源的问题。在这种情况下,我们考虑了两种类型的毫微微小区:a)固定的毫微微小区(部署在固定位置,例如火车站); b)具有确定性移动性的移动毫微微小区(例如,部署在火车上)。我们使用移动毫微微小区的速度和路径信息来确定不同毫微微小区在不同时刻的干扰关系,并将其表示为与时间间隔有关的干扰图。最后,利用干扰图,提出了一种基于簇的资源分配算法。性能分析表明,在这种情况下,具有移动毫微微小区的已分配资源接近于没有移动毫微微小区的资源,远少于随机分配。

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