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Efficient traffic offloading for seamless connectivity in 5G networks onboard high speed trains
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).ORCID-id: 0000-0003-0368-9221
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013).ORCID-id: 0000-0003-3461-7079
Vise andre og tillknytning
2017 (engelsk)Inngår i: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, IEEE, 2017, s. 1-6Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Seamless wireless connectivity in high mobility scenarios (≥ 300 km/h), is one of the fundamental key requirements for the future 5G networks. High speed train (HST) is one of the preferred mid-range transportation systems, and highlights the challenges of providing wireless connectivity in high mobility scenarios for the 5G networks. Advanced version of Long Term Evolution (LTE-A) from the Third Generation Partnership Project (3GPP) with peak data rate up to 100 Mbps in high mobility scenarios paved the road toward high quality and cost effective onboard Internet in HSTs. However, frequent handovers (HO) of large number of onboard users increase the service interruptions that in turn inevitably decrease the experienced quality of service (QoS). In this paper, according to the two-tier architecture of the HST wireless connectivity, we propose a novel and practically viable onboard traffic offloading mechanism among the HST carriages that effectively mitigates the service interruptions caused by frequent HOs of massive number of onboard users. The proposed architecture does not imply any change on the LTE network standardization. Conclusions are supported by numerical results for realistic LTE parameters and current HST settings.

sted, utgiver, år, opplag, sider
IEEE, 2017. s. 1-6
Emneord [en]
5G networks, High speed trains, QoS provisioning, Traffic offloading, Cost effectiveness, Long Term Evolution (LTE), Mobile telecommunication systems, Network architecture, Quality of service, Queueing networks, Radio communication, Railroad cars, Railroad transportation, Railroads, Wireless telecommunication systems, High speed train (HST), Proposed architectures, Seamless connectivity, Third generation partnership project (3GPP), Two-tier architecture, Wireless connectivities, 5G mobile communication systems
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Identifikatorer
URN: urn:nbn:se:kau:diva-67276DOI: 10.1109/PIMRC.2017.8292462ISI: 000426970901150Scopus ID: 2-s2.0-85045264762ISBN: 9781538635315 (tryckt)OAI: oai:DiVA.org:kau-67276DiVA, id: diva2:1203838
Konferanse
28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017, 8-13 October 2017, Montreal, Canada
Tilgjengelig fra: 2018-05-04 Laget: 2018-05-04 Sist oppdatert: 2019-08-02bibliografisk kontrollert

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Alfredsson, StefanGarcia, JohanBrunström, Anna

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