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Connected Vehicles in Cellular Networks: Multi-access versus Single-access Performance
RISE - Research Institutes of Sweden, ICT, SICS.ORCID iD: 0000-0002-8102-5773
RISE - Research Institutes of Sweden, ICT, SICS.ORCID iD: 0000-0001-7866-143x
RISE - Research Institutes of Sweden, ICT, SICS.ORCID iD: 0000-0002-1445-2169
Karlstad University, Sweden.
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2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Connected vehicles can make roads traffic safer andmore efficient, but require the mobile networks to handle timecriticalapplications. Using the MONROE mobile broadbandmeasurement testbed we conduct a multi-access measurementstudy on buses. The objective is to understand what networkperformance connected vehicles can expect in today’s mobilenetworks, in terms of transaction times and availability. The goalis also to understand to what extent access to several operatorsin parallel can improve communication performance.In our measurement experiments we repeatedly transfer warningmessages from moving buses to a stationary server. Wetriplicate the messages and always perform three transactionsin parallel over three different cellular operators. This creates adataset with which we can compare the operators in an objectiveway and with which we can study the potential for multi-access.In this paper we use the triple-access dataset to evaluate singleaccessselection strategies, where one operator is chosen for eachtransaction. We show that if we have access to three operatorsand for each transaction choose the operator with best accesstechnology and best signal quality then we can significantlyimprove availability and transaction times compared to theindividual operators. The median transaction time improves with6% compared to the best single operator and with 61% comparedto the worst single operator. The 90-percentile transaction timeimproves with 23% compared to the best single operator andwith 65% compared to the worst single operator.

Place, publisher, year, edition, pages
2018. article id 8506559
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:ri:diva-34311DOI: 10.23919/TMA.2018.8506559Scopus ID: 2-s2.0-85057241219OAI: oai:DiVA.org:ri-34311DiVA, id: diva2:1235986
Conference
2nd Workshop on Mobile Network Measurement (MNM’18)
Available from: 2018-07-30 Created: 2018-07-30 Last updated: 2019-01-07Bibliographically approved

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Publisher's full textScopushttp://tma.ifip.org/2018/wp-content/uploads/sites/3/2018/06/mnm2018_paper2.pdf

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Abrahamsson, HenrikBen Abdesslem, FehmiAhlgren, BengtMarsh, Ian

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