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首页> 外文期刊>IEEE Vehicular Technology Magazine >UltraDense Networks: The New Wireless Frontier for Enabling 5G Access
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UltraDense Networks: The New Wireless Frontier for Enabling 5G Access

机译：UltraDense网络：支持5G访问的新无线领域

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摘要

The extreme traffic load that future wireless networks are expected to accommodate requires a rethinking of the system design. The initial estimations indicate that, unlike the evolutionary path of previous cellular generations that was based on spectral efficiency improvements, the most substantial amount of future system performance gains will be obtained by means of network infrastructure densification. By increasing the density of operator-deployed infrastructure elements along with incorporation of user-deployed access nodes (ANs) and mobile user devices acting as infrastructure prosumers, having one or more ANs exclusively dedicated to each user is expected to become feasible, introducing the ultradense network (UDN) paradigm. Although it is clear that UDNs are able to take advantage of the significant benefits provided by proximal transmissions and increased spatial reuse of system resources, large node density and irregular deployment introduce new challenges, mainly due to the interference environment characteristics that are vastly different from previous cellular deployments. This article attempts to provide insights on fundamental issues related to UDN deployment, such as determining the infrastructure density required to support the given traffic load requirements and the benefits of network-wise coordination, demonstrating the potential of UDNs for fifth-generation (5G) wireless networks.
机译：未来的无线网络有望容纳的极端流量负载需要对系统设计进行重新思考。最初的估计表明，与以前的蜂窝时代的演进路径基于频谱效率的提高不同，未来网络性能的最大提高将通过网络基础设施的密集化获得。通过增加运营商部署的基础设施元素的密度，以及结合用户部署的接入节点（AN）和充当基础设施生产者的移动用户设备，预计每个用户专用一个或多个AN将会变得可行，从而引入了超密度网络（UDN）范例。尽管很明显，UDN能够利用近端传输和系统资源的空间复用增加所带来的显着优势，但由于节点的环境特征与以前的环境大不相同，因此较大的节点密度和不规则的部署带来了新的挑战。蜂窝部署。本文试图提供与UDN部署相关的基本问题的见解，例如确定支持给定流量负载要求所需的基础设施密度以及网络智能化的好处，从而证明UDN在第五代（5G）无线网络中的潜力网络。

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