High-precision time synchronization of 5G-TSN system

被引：0
作者：
Li X. [1 ]
Wang X. [1 ]
Fan T. [1 ]
Zhang F. [2 ]
Liu J. [1 ]
Wan H. [1 ]
机构：
[1] School of Teleommunications Engineering, Xidian University, Xi'an
[2] Henan Jiuyu Epri Electric Power Technology Corporation, Zhengzhou
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2023年 / 45卷 / 02期
关键词：
beam joint; propagation delay; time sensitive networks (TSN); time synchronization;
D O I：
10.12305/j.issn.1001-506X.2023.02.28
中图分类号：
学科分类号：
摘要：
It is necessary to achieve high-precision time synchronization in 5G-TSN systems integrated with the fifth generation communication system (5G) and time sensitive networking (TSN). Therefore, a multi-beam joint timing synchronization algorithm is proposed to improve the success rate of synchronization signal detection and achieve high-precision 5G-TSN time synchronization. Firstly, the combination of synchronization signal blocks cross-correlation between beams is calculated according to the time-domain relationship between multiple beams, and the expected value is obtained as the threshold value. Then, a number of beams exceeding the threshold are used to perform cross-correlation superposition peaks, and the time-domain index corresponding to the maximum peak value is calculated, so as to complete the timing synchronization of primary synchronization signal. Finally, the propagation delay is estimated in a combined time-frequency domain to reduce synchronization errors. The simulation results show that the use of the timing synchronization algorithm based on multi-beam joint has more significant correlation peaks than the traditional algorithm, which can effectively improve the success rate of timing synchronization. © 2023 Chinese Institute of Electronics. All rights reserved.
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页码：559 / 565
页数：6
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