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首页> 外文期刊>Vehicular Technology Magazine, IEEE >Wearable Communications in 5G: Challenges and Enabling Technologies
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Wearable Communications in 5G: Challenges and Enabling Technologies

机译：5G中的可穿戴式通信：挑战与支持技术

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摘要

As wearable devices become more ingrained in our daily lives, traditional communication networks primarily designed for human-being-oriented applications are facing tremendous challenges. The forthcoming fifth-generation (5G) wireless systems look to support unprecedented high capacity, low latency, and massive connectivity. In this article, we examine key challenges facing wearable communication devices. A cloud/edge communication architecture that integrates the cloud radio access network (CRAN), software-defined network (SDN), device-to-device (D2D) communications, and cloud/edge technologies is presented. Computation offloading enabled by this multilayer communications architecture can offload computation-excessive and latency-stringent applications to nearby devices through D2D communications or to nearby edge nodes through cellular or other wireless technologies. Critical issues faced by wearable communications, e.g., short battery life, limited computing capability, and stringent latency, can be greatly alleviated by this cloud/edge architecture. Together with the presented architecture, current transmission and networking technologies [including nonorthogonal multiple access (NOMA), mobile edge computing (MCE), and energy harvesting] can greatly enhance the performance of wearable communications in terms of spectral efficiency, energy efficiency, latency, and connectivity.
机译：随着可穿戴设备在我们的生活中越来越根深蒂固，主要为面向人类的应用而设计的传统通信网络正面临着巨大的挑战。即将面世的第五代（5G）无线系统希望支持前所未有的高容量，低延迟和大规模连接。在本文中，我们研究了可穿戴通信设备面临的主要挑战。提出了一种云/边缘通信架构，该架构集成了云无线电接入网络（CRAN），软件定义网络（SDN），设备到设备（D2D）通信和云/边缘技术。这种多层通信体系结构支持的计算分流可以通过D2D通信将计算量过多且等待时间严格的应用程序分流到附近的设备，或者通过蜂窝或其他无线技术分流到附近的边缘节点。这种云/边缘架构可以大大缓解可穿戴式通信所面临的关键问题，例如电池寿命短，计算能力有限和严格的延迟。与提出的体系结构一起，当前的传输和网络技术（包括非正交多址（NOMA），移动边缘计算（MCE）和能量收集）可以在频谱效率，能量效率，延迟，和连通性。

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