Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways

Hanbyeog Cho; Donghyuk Han; Sungjin Shin; Hyoungjun Cho; Changsung Lee; Goeun Lim; Mingoo Kang; Jong Moon Chung

doi:10.3837/tiis.2017.08.017

Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways

Hanbyeog Cho, Donghyuk Han, Sungjin Shin, Hyoungjun Cho, Changsung Lee, Goeun Lim, Mingoo Kang, Jong Moon Chung

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

With the development of high-speed railway technologies, train velocities can now reach speeds up to 350 km/h, and higher in the future. In high-speed railway systems (HSRs), loss of communication can result in serious accidents, especially when the train is controlled through wireless communications. For to this reason, operators of Long Term Evolution for Railway (LTE-R) communication systems install eNodeBs (eNBs) with high density to achieve highly reliable communications. However, densely located eNBs can result in unnecessary frequent handovers (HOs) resulting in instability because, during every HO process, there is a period of time in which the communication link is disconnected. To solve this problem, in this paper, an HO scheme based on the maximum cell residence time (CRT) and adaptive time to trigger (aTTT), which are collectively called CaT, is proposed to reduce unnecessary HOs (using CRT estimations) and decrease HO failures by improving the handover command transmission point (HCTP) in LTE-R HSR communications.

Original language	English
Pages (from-to)	4061-4076
Number of pages	16
Journal	KSII Transactions on Internet and Information Systems
Volume	11
Issue number	8
DOIs	https://doi.org/10.3837/tiis.2017.08.017
Publication status	Published - 2017 Aug 31

Bibliographical note

Funding Information:
This paper is an invited paper of the ICONI 2016 conference. This paper was supported by the MSIT(Ministry of Science and ICT), Korea, under the ITRC(Information Technology Research Center) support program(IITP-2017-H8501-15-1007) qsupervised by the IITP(Institute for Information & communications Technology Promotion)

Publisher Copyright:
© 2017 KSII.

All Science Journal Classification (ASJC) codes

Information Systems
Computer Networks and Communications

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title = "Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways",

abstract = "With the development of high-speed railway technologies, train velocities can now reach speeds up to 350 km/h, and higher in the future. In high-speed railway systems (HSRs), loss of communication can result in serious accidents, especially when the train is controlled through wireless communications. For to this reason, operators of Long Term Evolution for Railway (LTE-R) communication systems install eNodeBs (eNBs) with high density to achieve highly reliable communications. However, densely located eNBs can result in unnecessary frequent handovers (HOs) resulting in instability because, during every HO process, there is a period of time in which the communication link is disconnected. To solve this problem, in this paper, an HO scheme based on the maximum cell residence time (CRT) and adaptive time to trigger (aTTT), which are collectively called CaT, is proposed to reduce unnecessary HOs (using CRT estimations) and decrease HO failures by improving the handover command transmission point (HCTP) in LTE-R HSR communications.",

author = "Hanbyeog Cho and Donghyuk Han and Sungjin Shin and Hyoungjun Cho and Changsung Lee and Goeun Lim and Mingoo Kang and Chung, {Jong Moon}",

note = "Funding Information: This paper is an invited paper of the ICONI 2016 conference. This paper was supported by the MSIT(Ministry of Science and ICT), Korea, under the ITRC(Information Technology Research Center) support program(IITP-2017-H8501-15-1007) qsupervised by the IITP(Institute for Information & communications Technology Promotion) Publisher Copyright: {\textcopyright} 2017 KSII.",

year = "2017",

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doi = "10.3837/tiis.2017.08.017",

language = "English",

volume = "11",

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journal = "KSII Transactions on Internet and Information Systems",

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Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways. / Cho, Hanbyeog; Han, Donghyuk; Shin, Sungjin; Cho, Hyoungjun; Lee, Changsung; Lim, Goeun; Kang, Mingoo; Chung, Jong Moon.

In: KSII Transactions on Internet and Information Systems, Vol. 11, No. 8, 31.08.2017, p. 4061-4076.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways

AU - Cho, Hanbyeog

AU - Han, Donghyuk

AU - Shin, Sungjin

AU - Cho, Hyoungjun

AU - Lee, Changsung

AU - Lim, Goeun

AU - Kang, Mingoo

AU - Chung, Jong Moon

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PY - 2017/8/31

Y1 - 2017/8/31

N2 - With the development of high-speed railway technologies, train velocities can now reach speeds up to 350 km/h, and higher in the future. In high-speed railway systems (HSRs), loss of communication can result in serious accidents, especially when the train is controlled through wireless communications. For to this reason, operators of Long Term Evolution for Railway (LTE-R) communication systems install eNodeBs (eNBs) with high density to achieve highly reliable communications. However, densely located eNBs can result in unnecessary frequent handovers (HOs) resulting in instability because, during every HO process, there is a period of time in which the communication link is disconnected. To solve this problem, in this paper, an HO scheme based on the maximum cell residence time (CRT) and adaptive time to trigger (aTTT), which are collectively called CaT, is proposed to reduce unnecessary HOs (using CRT estimations) and decrease HO failures by improving the handover command transmission point (HCTP) in LTE-R HSR communications.

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Handover based on maximum cell residence time and adaptive TTT for LTE-R high-speed railways

Abstract

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