服务高移动性用户上行链路 URLLC 流量的初始参数选择

IF 0.4 4区 计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
A. E. Shashin, A. N. Krasilov, E. M. Khorov
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引用次数: 0

摘要

摘要 5G 蜂窝系统提供一种名为超可靠低延迟通信(URLLC)的新服务。在许多 URLLC 场景(如智能传输系统)中,用户高速移动并在上行链路中传输数据。基站分配的传输参数应满足 URLLC 应用对服务质量的严格要求,并消耗最少的信道资源。在高速移动时,用户经常会更换服务基站。在这种情况下,由于基站没有新用户的信道质量测量数据,选择传输参数的任务就变得复杂起来。本文提出了在用户连接到基站时选择初始传输参数的各种方法。通过模拟,本文比较了不同用户速度下的各种方法。本文就如何选择初始参数提出了建议,以减少信道资源的消耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Initial Parameters Selection for Serving Uplink URLLC Traffic of High-Mobility Users

Initial Parameters Selection for Serving Uplink URLLC Traffic of High-Mobility Users

Abstract—5G cellular systems provide a new service called Ultra-Reliable Low-Latency Communications (URLLC). In many URLLC scenarios (e.g., intelligent transport systems), users move at high speed and transmit data in the uplink. The base station shall assign transmission parameters that satisfy the strict quality of service requirements of URLLC applications and consume the least amount of channel resources. At high speed, users often change the serving base station. In this case, the task of selecting transmission parameters is complicated by the fact that the base station does not have channel quality measurements for the new user. This paper proposes various methods for selecting the initial transmission parameters when user connects to the base station. Using simulations, the paper compares various methods for different user speeds. Recommendations are given on the selection of initial parameters that provide a low amount of consumed channel resources.

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来源期刊
CiteScore
1.00
自引率
20.00%
发文量
170
审稿时长
10.5 months
期刊介绍: Journal of Communications Technology and Electronics is a journal that publishes articles on a broad spectrum of theoretical, fundamental, and applied issues of radio engineering, communication, and electron physics. It publishes original articles from the leading scientific and research centers. The journal covers all essential branches of electromagnetics, wave propagation theory, signal processing, transmission lines, telecommunications, physics of semiconductors, and physical processes in electron devices, as well as applications in biology, medicine, microelectronics, nanoelectronics, electron and ion emission, etc.
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