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Transmission capacity analysis of relay-assisted D2D cellular networks with interference cancellation
Ad Hoc Networks ( IF 4.4 ) Pub Date : 2021-01-05 , DOI: 10.1016/j.adhoc.2020.102400
Oluwatosin Ahmed Amodu , Mohamed Othman , Nor Kamariah Noordin , Idawaty Ahmad

D2D communication has been identified as one of the technologies for meeting the unique traffic demands of the fifth-generation wireless network communication. However, the effectiveness of D2D highly depends on the proximity of devices. In other words, whenever such devices are far apart, communication becomes ineffective. Thus, relay assisted D2D positions itself as an approach by which some of the limitations of traditional D2D communication can be addressed. This makes the applications of D2D communication more versatile. However, the introduction of relays also poses interference within the D2D communication network especially when the density of relay is large. Such scenarios call for techniques by which such interference can be averted while taking the benefits of relay-assisted communication. This motivates the consideration of interference cancellation in this paper where two existing models are adapted into the transmission capacity analysis of relay-assisted D2D communication. We show the performance gains attainable by interference cancellation and how the interplay between its parameters affect the network performance. Furthermore, two hybrid models are studied and the impact of interference cancellation and the inherent trade-offs are revealed.



中文翻译:

具有干扰消除功能的中继辅助D2D蜂窝网络的传输容量分析

D2D通信已被视为满足第五代无线网络通信独特的流量需求的技术之一。但是,D2D的有效性在很大程度上取决于设备的接近程度。换句话说,每当这样的设备相距很远时,通信就变得无效。因此,中继辅助D2D将自身定位为可以解决传统D2D通信的某些局限性的方法。这使得D2D通信的应用更加通用。但是,中继的引入也对D2D通信网络造成了干扰,尤其是当中继的密度较大时。这样的场景要求在利用中继辅助通信的好处的同时可以避免这种干扰的技术。这激发了本文中干扰消除的考虑,其中将两个现有模型应用于中继辅助D2D通信的传输容量分析中。我们展示了通过消除干扰可获得的性能提升,以及其参数之间的相互作用如何影响网络性能。此外,研究了两种混合模型,并揭示了干扰消除的影响和固有的取舍。

更新日期:2021-01-05
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