Exploring efficient seamless handover in VANET systems using network dwell time

Ghosh, Arindam, Parathaman, Vardhan Visgnu, Mapp, Glenford E. ORCID logoORCID: https://orcid.org/0000-0002-0539-5852 and Gemikonakli, Orhan ORCID logoORCID: https://orcid.org/0000-0002-0513-1128 (2014) Exploring efficient seamless handover in VANET systems using network dwell time. EURASIP Journal on Wireless Communications and Networking, 2014 (1) , 227. pp. 1-19. ISSN 1687-1472 [Article] (doi:10.1186/1687-1499-2014-227)

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Vehicular ad hoc networks are a long-term solution contributing significantly towards intelligent transport systems (ITS) in providing access to critical life-safety applications and services. Although vehicular ad hoc networks are attracting greater commercial interest, current research has not adequately captured the real-world constraints in vehicular ad hoc network handover techniques. Therefore, in order to have the best practice for vehicular ad hoc network services, it is necessary to have seamless connectivity for optimal coverage and ideal channel utilisation. Due to the high velocity of vehicles and smaller coverage distances, there are serious challenges in providing seamless handover from one roadside unit (RSU) to another. Though other research efforts have looked at many issues in vehicular ad hoc networks (VANETs), very few research work have looked at handover issues. Most literature assume that handover does not take a significant time and does not affect the overall VANET operation. In our previous work, we started to investigate these issues. This journal provides a more comprehensive analysis involving the beacon frequency, the size of beacon and the velocity of the vehicle. We used some of the concepts of Y-Comm architecture such as network dwell time (NDT), time before handover (TBH) and exit time (ET) to provide a framework to investigate handover issues. Further simulation studies were used to investigate the relation between beaconing, velocity and the network dwell time. Our results show that there is a need to understand the cumulative effect of beaconing in addition to the probability of successful reception as well as how these probability distributions are affected by the velocity of the vehicle. This provides more insight into how to support life critical applications using proactive handover techniques.

Item Type: Article
Research Areas: A. > School of Science and Technology > Computer Science > SensoLab group
A. > School of Science and Technology > Computer and Communications Engineering
Item ID: 14292
Notes on copyright: Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Depositing User: Glenford Mapp
Date Deposited: 30 Jan 2015 14:29
Last Modified: 29 Nov 2022 23:15
URI: https://eprints.mdx.ac.uk/id/eprint/14292

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