基于模糊逻辑的eMBB/URLLC复用机制选择算法

doi:10.13190/j.jbupt.2020-231

北京邮电大学学报 ›› 2021, Vol. 44 ›› Issue (3): 15-20,34.doi: 10.13190/j.jbupt.2020-231

基于模糊逻辑的eMBB/URLLC复用机制选择算法

高月红¹, 杨昊天¹, 陈露¹, 杨鸿文¹, 尹宁²

1. 北京邮电大学信息与通信工程学院, 北京 100876;
2. 北京机电工程研究所测控技术研究室, 北京 100074

收稿日期:2020-11-13 出版日期:2021-06-28 发布日期:2021-06-23
作者简介:高月红(1981-),女,副教授,硕士生导师,E-mail:yhgao@bupt.edu.cn.
基金资助:
国家科技重大专项项目（2018ZX03001024-006）

Selection Algorithm of eMBB/URLLC Multiplexing Schemes Based on Fuzzy Logic

GAO Yue-hong¹, YANG Hao-tian¹, CHEN Lu¹, YANG Hong-wen¹, YIN Ning²

1. School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2. Laboratory of Measurement and Control Technology, Beijing Electro-Mechanical Engineering Institute, Beijing 100074, China

Received:2020-11-13 Online:2021-06-28 Published:2021-06-23

摘要/Abstract

摘要： 增强移动宽带（eMBB）与超可靠低时延通信（URLLC）业务的共存部署是第5代移动通信系统演进中的一项重要内容.现有的下行复用机制包括资源预留和穿刺抢占2种方法，两者的特点和性能不同.为了综合2种机制的优点，实现系统整体性能的提升，提出了一种基于模糊逻辑的复用机制选择算法，能够依据URLLC业务的特征，在资源预留和穿刺抢占2种机制中进行择优选择.仿真结果表明，引入择优选择算法后，URLLC业务的队列时延降低了近50%，与此同时，与URLLC业务复用导致的eMBB业务吞吐量的降低不超过4%.

关键词: 模糊逻辑, 增强移动宽带, 超可靠低时延通信, 资源预留, 穿刺抢占

Abstract: The coexistence mechanism between enhanced mobile broadband(eMBB) and ultra reliability low latency communication(URLLC) is an important problem in the evolution of the fifth generation of mobile communications system. Existing downlink multiplexing mechanisms include resource reservation and puncture preemption with different characteristics and performance. A fuzzy logic based multiplexing mechanism selection algorithm is proposed to make optimal selections between resource reservation and puncture preemption according to the characteristics of URLLC services. The algorithm improves the system performance by combining the advantages of the two mechanisms. Simulations show that the queueing delay of URLLC services is reduced by nearly 50% after the optimal selection. At the same time, the reduction in throughput of eMBB services caused by URLLC services is less than 4%.

Key words: fuzzy logic, enhanced mobile broadband, ultra reliability low latency communication, resource reservation, puncture preemption

中图分类号:

TN911.22

高月红, 杨昊天, 陈露, 杨鸿文, 尹宁. 基于模糊逻辑的eMBB/URLLC复用机制选择算法[J]. 北京邮电大学学报, 2021, 44(3): 15-20,34.

GAO Yue-hong, YANG Hao-tian, CHEN Lu, YANG Hong-wen, YIN Ning. Selection Algorithm of eMBB/URLLC Multiplexing Schemes Based on Fuzzy Logic[J]. Journal of Beijing University of Posts and Telecommunications, 2021, 44(3): 15-20,34.

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基于模糊逻辑的eMBB/URLLC复用机制选择算法

Selection Algorithm of eMBB/URLLC Multiplexing Schemes Based on Fuzzy Logic

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