The fifth-generation (5G) of cellular networks use revolutionary and evolutionary technologies to notably improve wireless communication performance. However, given the envisioned new use cases (e.g., holographic communication) and the ever-increasing deployment of smart-physical end devices, the volume of network traffic has considerably raised, and the current mobile networks cannot wholly meet the ever-increasing demands. Hence, it is envisioned that 6G networks will play a critical role to alleviate these challenges by providing new communication services, network capacity, and ultra-low latency communications. In this paper, first, the need of 6G networks is discussed. Then, the potential 6G requirements and trends, as well as the latest research activities related to 6G are introduced. Furthermore, the key performance indicators, applications, new services, and the potential key enabling technologies for 6G networks are presented. Finally, several potential unresolved challenges for future 6G networks are presented.
翻译：第五代(5G)蜂窝网络利用革命和进化技术来显著改善无线通信的性能,然而,鉴于设想的新使用案例(如全息通信)和智能物理终端装置的部署不断增加,网络流量大增,目前的移动网络无法完全满足不断增加的需求,因此,设想6G网络将发挥关键作用,通过提供新的通信服务、网络能力和超低潜伏通信来缓解这些挑战,本文件首先讨论了6G网络的需要,然后介绍了6G的潜在要求和趋势以及与6G有关的最新研究活动,此外,还介绍了6G网络的主要业绩指标、应用、新服务以及潜在的关键赋能技术,最后,介绍了未来6G网络可能面临的一些尚未解决的挑战。
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