适用于办公室和购物中心环境的室内5G 3GPP类信道模型
Indoor 5G 3GPP-like Channel Models for Office and Shopping Mall Environments
摘要：
未来的移动通信系统很可能与今天的移动通信系统非常不同，具有由增加的数据业务需求、增加的智能设备的处理能力和新的创新应用驱动的新的服务创新。为了满足这些服务需求，电信行业正在融合一组常见的5G要求，其中包括高达10 Gbps的网络速度，大于100 Mbps的小区边缘速率以及小于1毫秒的延迟。为了满足这些5G需求，业界正在寻找高达100 GHz的新频段，其中有宽带信道的频谱可用性。为了开发在高达100 GHz的频带中操作的新5G系统，需要精确的无线电传播模型，这些模型不能通过为低于6 GHz的频带开发的现有信道模型来解决。本文初步概述了室内办公室和购物中心高达100 GHz频段的5G信道模型，这些模型来自多个频段的广泛测量。这些研究发现了现有3GPP模型到高达100 GHz的更高频带的一些扩展性。测量结果表明，较小的波长引入了增加的敏感性的传播模型的规模的环境，并显示出一定的频率依赖性的路径损耗，以及增加发生阻塞。此外，穿透损耗高度依赖于材料并且倾向于随频率增加。信道的小尺度特性（诸如延迟扩展和角度扩展以及多径丰富度）在频率范围上有些类似，这对于将现有的3GPP模型扩展到更宽的频率范围是令人鼓舞的。进一步的工作将进行，以完成这些模型，但本文提出的第一步，为模型开发的初步基础。
英文摘要：
Future mobile communications systems are likely to be very different to those of today with new service innovations driven by increasing data traffic demand, increasing processing power of smart devices and new innovative applications. To meet these service demands the telecommunications industry is converging on a common set of 5G requirements which includes network speeds as high as 10 Gbps, cell edge rate greater than 100 Mbps, and latency of less than 1 msec. To reach these 5G requirements the industry is looking at new spectrum bands in the range up to 100 GHz where there is spectrum availability for wide bandwidth channels. For the development of new 5G systems to operate in bands up to 100 GHz there is a need for accurate radio propagation models which are not addressed by existing channel models developed for bands below 6 GHz. This paper presents a preliminary overview of the 5G channel models for bands up to 100 GHz in indoor offices and shopping malls, derived from extensive measurements across a multitude of bands. These studies have found some extensibility of the existing 3GPP models to the higher frequency bands up to 100 GHz. The measurements indicate that the smaller wavelengths introduce an increased sensitivity of the propagation models to the scale of the environment and show some frequency dependence of the path loss as well as increased occurrence of blockage. Further, the penetration loss is highly dependent on the material and tends to increase with frequency. The small-scale characteristics of the channel such as delay spread and angular spread and the multipath richness is somewhat similar over the frequency range, which is encouraging for extending the existing 3GPP models to the wider frequency range. Further work will be carried out to complete these models, but this paper presents the first steps for an initial basis for the model development.
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