Article(id=1318999687567360035, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1318999663622079298, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.06.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745856000000, receivedDateStr=2025-04-29, revisedDate=1747843200000, revisedDateStr=2025-05-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1792403631344, onlineDateStr=2026-10-19, pubDate=1765296000000, pubDateStr=2025-12-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792403631344, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792403631344, creator=13701087609, updateTime=1792403631344, updator=13701087609, issue=Issue{id=1318999663622079298, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='6', pageStart='1', pageEnd='147', issueExtLink='null', onlineDate='null', pubDate='1765296000000', pubDateStr='2025-12-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792403625636, creator='13701087609', updateTime=1792733312669, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320382471334646693, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1318999663622079298, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320382471334646694, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1318999663622079298, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=48, endPage=54, ext={EN=ArticleExt(id=1318999689094086692, articleId=1318999687567360035, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Research on the Signal System Data Transmission Capability at 160 km/h Speed Level Using 5G Network Slicing Technology, columnId=1152669335454658940, journalTitle=Urban Rapid Rail Transit, columnName=Academic Discussion, runingTitle=null, highlight=null, articleAbstract=

In view of the growing demand for vehicle-ground integrated communication services and the limitation of frequency resources, this study investigates 5G network slicing technology for signal system business transmission under the vehicle-ground wireless communication architecture. First, the study analyzes the requirements of the current vehicle-ground integrated communication services and the status of the transmission system, and proposes the feasibility of using 5G network slicing technology to address these issues. Second, the system is designed from two aspects: network scheme and slicing scheme. Finally, taking the vehicle-ground business transmission of the signal system as an example, an experimental verification of the signal system business transmission at the 160 km/h speed was conducted on Guangzhou Metro Line 18. The results show that compared with the PRB reserved slice, the probability of the PRB reserved slice with a delay less than 150ms is 7.94% higher than that of the ordinary slice, reaching 99.87%, and the packet loss rate is 1.47% lower than that of the ordinary slice, reaching 0.08%; The percentage of PRB reservation+QoS slice delay less than 150ms has increased to 99.99%, while the packet loss rate has decreased to 0.5G network slice configuration PRB reservation and increasing QoS can meet the service transmission requirements of the signal system. The research results can provide reference for the transmission of signal system services in 5G networks at 160 km/h.

, authors=Xiaofei RUAN^{1, 2}, Zhibin LIAO^{1, 2}, Song FU^{1, 2}, Guodong WEI³, authorsList=Xiaofei RUAN, Zhibin LIAO, Song FU, Guodong WEI, authorCompany=null, correspAuthors=Zhibin LIAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1318999689379299365, articleId=1318999687567360035, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=5G网络切片技术160千米速度级信号系统业务传输能力研究, columnId=1152669335668568445, journalTitle=都市快轨交通, columnName=学术探讨, runingTitle=null, highlight=null, articleAbstract=

针对目前车地综合通信业务需求的不断增长和频率资源受限的问题，对5G网络切片技术在车地无线通信架构下进行信号系统业务传输的方案开展研究。首先，分析目前车地综合通信业务的需求和传输系统现状，提出利用5G网络切片技术解决问题的可行性；然后，从网络方案和切片方案两个方面进行系统设计；最后以信号系统车地业务传输为例，在广州地铁18号线上，进行160 km/h速度场景下，信号系统业务传输实验验证。研究结果表明：物理资源块（physical resource block，PRB）预留切片时延小于150 ms的概率较普通切片高7.94%，达到99.87%，丢包率较普通切片低1.47%，达到0.08%；PRB预留+服务质量（quality of service，QoS）的切片时延低于150 ms的比例达到99.99%，而丢包率下降为0，证明了5G网络切片配置PRB预留和增加QoS能够满足信号系统业务的传输需求。研究成果可以为160 km/h速度场景下信号系统业务在5G网络中传输提供参考。

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阮小飞，男，硕士，副研究员，从事铁路通信信号技术研究，ruanxiaofei@gzrsic.com

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阮小飞，男，硕士，副研究员，从事铁路通信信号技术研究，ruanxiaofei@gzrsic.com

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