Analysis of Session Handoff Probability in NEMO-Based Vehicular Networks

Kim, Younghyun; Kim, Ki‐Hun; Pack, Sangheon; Lee, Wonjun

doi:10.1007/s11277-011-0427-z

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…Recently, there are also efforts to support IP connectivity in vehicular Internet access by utilizing Network Mobility (NEMO) [14][15][16]. They consider IP-layer handover for vehicular network, but we are dealing with the AP association problem.…”

Section: Related Workmentioning

confidence: 99%

A theoretical approach to optimal association control in vehicular Wi-Fi networks

Hwang

Choi

Yoo

et al. 2014

J Wireless Com Network

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The recent ubiquitous deployment of Wi-Fi access points (APs) has offered vehicles to use the high-speed and low-cost Internet service via the roadside APs. However, the high mobility of vehicles and the limited coverage of APs render some challenges. First, it results in frequent handoffs, thus leading to long delay and low service availability. Second, the available AP sets and their channel quality change dynamically, making the AP selection problem even harder. Therefore, there is a strong need to develop an efficient association control mechanism that provides efficient vehicular Wi-Fi access. In this paper, we present a theoretical framework to formulate the optimal association problem through non-linear integer programming, whose objective function is to maximize the throughput or to minimize the handoff overhead. We show that this problem holds the totally unimodular (TU) property and is thus solvable in polynomial time. Then, we study the optimality of association control by comparing existing online algorithms through real trace-based simulations. The results show that there exists a large performance gap between the performance of existing online algorithms and the optimal one. We also observe that the association control algorithm can be further improved if it has access to future knowledge. Particularly, the offline optimal with future AP information improves the performance of the local optimal by up to 10%.

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Section: Related Workmentioning

confidence: 99%

A theoretical approach to optimal association control in vehicular Wi-Fi networks

Hwang

Choi

Yoo

et al. 2014

J Wireless Com Network

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show abstract

“…Note that next to the VANET scalability issue, there are also other VANET networking challenges to be overcome (e.g. IP session connectivity which relies on intelligent link-layer and IP-layer handovers as demonstrated by [12][13][14]), but these are out of scope http://jwcn.eurasipjournals.com/content/2014/1/182 of the work presented in this paper. Here, we focus on the VANET scalability challenge for data dissemination: under dense traffic conditions, the large number of communicating vehicles can easily result in a congested wireless channel.…”

Section: Introductionmentioning

confidence: 99%

SDDV: scalable data dissemination in vehicular ad hoc networks

Vandenberghe

Cappelle

Moerman

et al. 2014

J Wireless Com Network

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An important challenge in the domain of vehicular ad hoc networks (VANET) is the scalability of data dissemination. Under dense traffic conditions, the large number of communicating vehicles can easily result in a congested wireless channel. In that situation, delays and packet losses increase to a level where the VANET cannot be applied for road safety applications anymore. This paper introduces scalable data dissemination in vehicular ad hoc networks (SDDV), a holistic solution to this problem. It is composed of several techniques spread across the different layers of the protocol stack. Simulation results are presented that illustrate the severity of the scalability problem when applying common state-of-the-art techniques and parameters. Starting from such a baseline solution, optimization techniques are gradually added to SDDV until the scalability problem is entirely solved. Besides the performance evaluation based on simulations, the paper ends with an evaluation of the final SDDV configuration on real hardware. Experiments including 110 nodes are performed on the iMinds w-iLab.t wireless lab. The results of these experiments confirm the results obtained in the corresponding simulations.

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VIP-WAVE: On the Feasibility of IP Communications in 802.11p Vehicular Networks

Céspedes

Liu

Shen

2013

IEEE Trans. Intell. Transport. Syst.

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Vehicular communication networks, such as the 802.11p and Wireless Access in Vehicular Environments (WAVE) technologies, are becoming a fundamental platform for providing real-time access to safety and entertainment information. In particular, infotainment applications and, consequently, IP-based communications, are key to leverage market penetration and deployment costs of the 802.11p/WAVE network. However, the operation and performance of IP in 802.11p/WAVE are still unclear as the WAVE standard guidelines for being IP compliant are rather minimal. This paper studies the 802.11p/WAVE standard and its limitations for the support of infrastructure-based IP applications, and proposes the Vehicular IP in WAVE (VIP-WAVE) framework. VIP-WAVE defines the IP configuration for extended and non-extended IP services, and amobilitymanagement scheme supported by Proxy Mobile IPv6 over WAVE. It also exploits multihop communications to improve the network performance along roads with different levels of infrastructure presence. Furthermore, an analytical model considering mobility, handoff delays, collisions, and channel conditions is developed for evaluating the performance of IP communications in WAVE. Extensive simulations are performed to demonstrate the accuracy of our analytical model and the effectiveness of VIP-WAVE in making feasible the deployment of IP applications in the vehicular network. © 2012 IEEE

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Analysis of Session Handoff Probability in NEMO-Based Vehicular Networks

Cited by 4 publications

References 19 publications

A theoretical approach to optimal association control in vehicular Wi-Fi networks

A theoretical approach to optimal association control in vehicular Wi-Fi networks

SDDV: scalable data dissemination in vehicular ad hoc networks

VIP-WAVE: On the Feasibility of IP Communications in 802.11p Vehicular Networks

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