5G NR-U：同构共存分析。
5G NR-U: Homogeneous Coexistence Analysis.
作者信息
Muhammad Siraj, Refai Hazem H, Al Kalaa Mohamad Omar
机构信息
Electrical and Computer Engineering, University of Oklahoma, Tulsa, OK, USA.
Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, MD, USA.
出版信息
IEEE Glob Commun Conf. 2020 Dec;2020. doi: 10.1109/globecom42002.2020.9322216. Epub 2021 Jan 25.
Current technical reports indicate License-Assisted Access (LAA) Listen-Before-Talk (LBT) as the preferred channel access scheme for the upcoming 5G New Radio-Unlicensed. Various studies have examined heterogeneous coexistence of WiFi/LTE-LAA systems. This paper investigates the homogeneous coexistence of intra-network LAA-LBT devices operating in dense deployment scenarios. Results relevant to ETSI-specified priority classes are reported in terms of channel utilization, collision probability, and channel access delay. The framework presented in this paper is then employed to investigate wireless coexistence in a 5G-enabled intensive care unit employing remote patient monitoring over 5G NR-U.
当前的技术报告表明，许可辅助接入（LAA）先听后说（LBT）是即将推出的5G新无线接入非授权频段的首选信道接入方案。各种研究已经考察了WiFi/LTE-LAA系统的异构共存情况。本文研究了在密集部署场景中运行的网络内LAA-LBT设备的同构共存情况。报告了与ETSI指定优先级类别相关的结果，包括信道利用率、冲突概率和信道接入延迟。本文提出的框架随后被用于研究在启用5G的重症监护病房中通过5G NR-U进行远程患者监测时的无线共存情况。
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