Enhancing Uplink Performance of NR RedCap in Industrial 5G/B5G Systems

2022 IEEE International Conference on Communications Workshops (ICC Workshops) Pub Date : 2022-05-16 DOI:10.1109/iccworkshops53468.2022.9814497

Salwa Saafi, O. Vikhrova, S. Andreev, Jiri Hosek

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引用次数: 1

Abstract

The evolution of cellular fifth-generation (5G) tech-nologies shapes the future of the manufacturing industry by enabling sector automation and digitalization. Smart factories rely primarily on wireless connectivity provided by new radio (NR) systems to meet the stringent requirements of industrial applications. Among these, several industrial wearable and sensor-based services involve devices with relaxed communication capabilities as compared to Rel-15 NR user equipment. Hence, a new category of reduced-capability (RedCap) devices becomes essential in industrial private networks. As RedCap devices may experience degradation of uplink (UL) performance due to simplifications in radio frequency and baseband capabilities, this paper focuses on enhancing NR RedCap operations with existing 5G solutions for UL improvement, namely, dual connectivity, carrier aggregation, and supplementary UL. Specifically, we discuss these options for RedCap wearable devices and evaluate the performance gains of the selected technology using link-level simulations.

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NR RedCap在工业5G/B5G系统中的上行性能提升

蜂窝第五代(5G)技术的发展通过实现行业自动化和数字化，塑造了制造业的未来。智能工厂主要依靠新型无线电(NR)系统提供的无线连接来满足工业应用的严格要求。其中，与Rel-15 NR用户设备相比，一些工业可穿戴设备和基于传感器的服务涉及具有宽松通信能力的设备。因此，在工业专用网络中，一类新的低容量(RedCap)设备变得必不可少。由于射频和基带功能的简化，RedCap设备可能会出现上行链路(UL)性能下降的情况，因此本文重点介绍了利用现有的5G解决方案增强NR RedCap操作，以改善UL，即双连接、载波聚合和补充UL。具体来说，我们讨论了RedCap可穿戴设备的这些选项，并使用链路级模拟评估所选技术的性能增益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE International Conference on Communications Workshops (ICC Workshops)

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