The term 5G refers to the fifth generation of cellular wireless standards. Following the first four generations which focused on evolving voice and data communications, 5G is expected to greatly expand the range of possible domains to which cellular communications can be applied. The aim of this article is to present an introduction to some guiding principles that provide shape to the physical layer of the 5G standard.

中文翻译：

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5G 及以后：物理层指导原则和实现

术语 5G 是指第五代蜂窝无线标准。继前四代专注于不断发展的语音和数据通信之后，5G 有望大大扩展蜂窝通信可应用的可能领域范围。本文的目的是介绍一些指导原则，这些原则为 5G 标准的物理层提供了形状。