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An influence factor based caching node selection algorithm in D2D networks

机译:D2D网络中基于影响因子的缓存节点选择算法

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This paper investigates the problem of caching node selection in D2D networks, in which there are some users or nodes to help others tansmit files. Every node can be a cache node to cache some files for others. We propose the concept of the influence factor which can be used to describe the similarity relationships of files between all nodes. Then we model the problems and redefine the user's overheads about getting files. To minimize the system overheads, we propose a caching node selection algorithm based on the influence factors. We mathematically analysis the effectiveness of this algorithm. The simulation results shows the proposed algorithm is better than the two intuitive algorithms in our envisioned scenario by the simulation.
机译:本文研究了D2D网络中缓存节点选择的问题,在D2D网络中,有一些用户或节点可以帮助其他人发送文件。每个节点都可以是一个缓存节点,以为其他文件缓存某些文件。我们提出了影响因素的概念,可以用来描述所有节点之间文件的相似关系。然后,我们对问题进行建模并重新定义用户获取文件的开销。为了最小化系统开销,我们提出了一种基于影响因素的缓存节点选择算法。我们用数学方法分析了该算法的有效性。仿真结果表明,在我们设想的场景中,通过仿真,该算法优于两种直观算法。

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