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Providing internet to trains using MIMO in LTE networks
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab). KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.
2014 (English)In: 2014 International Conference on Connected Vehicles and Expo, ICCVE 2014 - Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2014, 810-814 p.Conference paper, Published paper (Refereed)
Resource type
Text
Abstract [en]

Providing broadband passenger internet on board trains with continuous connectivity at high speeds and over large rural distances is a challenging issue. One solution to the problem is to use an onboard WiFi network connected to multiple 3G and 4G networks deployed outside the train and aggregate their combined capacity at the IP protocol level. In order to be able to provide the capacity and the data rates that tomorrow’s travelers are expecting, the future 4G standard (LTE-Advance) uses a combination of high order MIMO and carrier aggregation. In this study we use the Swedish company Icomera’s passenger internet system for our investigation. The system provides aggregation of multiple carrier and handover on an IP level. For about 10 years the system has in Sweden primarily been using multiple 3G communication links. However, here we present analysis and onboard measurements of a 2×2 MIMO channel to fast moving train in a live LTE 900 network. The results indicate that MIMO works surprisingly well and it is discussed that by combining 8×8 MIMO with carrier aggregation in future releases of 4G, it may be possible to bring gigabit internet connections to trains.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2014. 810-814 p.
Series
International Conference on Connected Vehicles and Expo, ISSN 2378-1289
Keyword [en]
Passenger Internet, Train communications, LTE, MIMO Measurements
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-186728DOI: 10.1109/ICCVE.2014.7297664ISI: 000378931500146Scopus ID: 2-s2.0-84959440246ISBN: 978-1-4799-6729-2 (print)OAI: oai:DiVA.org:kth-186728DiVA: diva2:927916
Conference
3rd International Conference on Connected Vehicles and Expo, ICCVE 2014, Vienna, Austria, 3 November 2014 through 7 November 2014
Note

QC 20160513

Available from: 2016-05-13 Created: 2016-05-13 Last updated: 2017-01-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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