Quick Analysis Method of Train UDP Data Transmission Reliability

doi:10.3969/j.issn.1673-4440.2024.06.008

Railway Signalling & Communication Engineering ›› 2024, Vol. 21 ›› Issue (6): 47-52.DOI: 10.3969/j.issn.1673-4440.2024.06.008

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Quick Analysis Method of Train UDP Data Transmission Reliability

Xiang Xuehai¹, Yu Haoming², Yu Zhaowang³, Chen Kui¹

1. Nanjing Zitai Xinghe Electronics Co., Ltd., Nanjing 210028, China;
2. CRRC Changchun Railway Vehicles Co., Ltd., Changchun 130062, China;
3. CRRC Nanjing Puzhen Co., Ltd., Nanjing 210031, China

Received:2023-03-17 Revised:2024-05-20 Online:2024-06-25 Published:2024-06-25

列车UDP数据传输可靠性快速分析方法

项学海¹，于昊明²，郁兆旺³，陈奎¹

1．南京紫台星河电子有限责任公司，南京 210028；
2．中车长春轨道客车股份有限公司，长春 130062；
3．中车南京浦镇车辆有限公司，南京 210031

作者简介:项学海（1988—），男，高级工程师，博士，主要研究方向：列车转向架故障诊断系统、列车通信网络等，邮箱：arnoldxiang@163.com。
基金资助:
中国国家铁路集团有限公司系统性重大项目（2023CTA449）

Abstract

Abstract: UDP (User Datagram Protocol) does not adopt retransmission mechanism. Packet loss may happen when poor contact or electromagnetic interference occurs, which can affect the link. Quick analysis for a single data file is achieved by using the Wireshark's built-in statistical and ranking functions. Based on the ranking idea, Auto-Array method, which adopts a software algorithm, is further studied. Tests and comparisons show that Auto-Array method can provide quick analysis for multiple data files. Details of the packet loss in UDP data files can also be output. The method can provide criteria for evaluating the reliability of UDP transmission.

Key words: UDP, train communication network, reliability

摘要： 用户数据报协议(User Datagram Protocol，UDP)不采用重传机制，在链路受接触不良、电磁干扰影响下可能会丢包。研究Wireshark软件自带的统计功能和排序功能，实现单个数据文件的快速分析。基于排序思想，进一步研究使用软件算法的Auto-Array方法。通过实测对比，Auto-Array方法能实现多个数据文件的快速分析，并输出UDP数据文件中的详细的丢包信息，为评价UDP传输可靠性提供依据。

关键词: UDP, 列车网络, 可靠性

CLC Number:

U285.4

Xiang Xuehai, Yu Haoming, Yu Zhaowang, Chen Kui. Quick Analysis Method of Train UDP Data Transmission Reliability[J]. Railway Signalling & Communication Engineering, 2024, 21(6): 47-52.

项学海, 于昊明, 郁兆旺, 陈奎. 列车UDP数据传输可靠性快速分析方法[J]. 铁路通信信号工程技术, 2024, 21(6): 47-52.

Figures/Tables 7

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Quick Analysis Method of Train UDP Data Transmission Reliability

列车UDP数据传输可靠性快速分析方法

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