Challenges of Intervehicle Ad Hoc Networks

Blum, Jeremy; Eskandarian, Azim; Hoffman, Lance J.

doi:10.1109/tits.2004.838218

Cited by 506 publications

(222 citation statements)

References 19 publications

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“…Recent approaches from the literature to improve IVC communications include e.g., proposals to improve stability of links by utilizing information on vehicles mobility such as direction and velocity [104]. However, due to high mobility of vehicles, even if such features are included in the routing algorithm, the time needed to install the path is often still greater than the lifetime of a multi-hop path [18].…”

Section: Reliability Of Vanet Communicationsmentioning

confidence: 99%

Future research directions in design of reliable communication systems

et al. 2015

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In this position paper on reliable networks, we discuss new trends in the design of reliable communication systems. We focus on a wide range of research directions including protection against software failures as well as failures of communication systems equipment. In particular, we outline future research trends in software failure mitigation, reliability of wireless communications, robust optimization and network design, multilevel and multirealm network resilience, multiple criteria routing approaches in multilayer networks, resilience options of the fixed IP backbone network in the interplay with the optical layer survivability, reliability of cloud computing networks, and

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Section: Reliability Of Vanet Communicationsmentioning

confidence: 99%

Future research directions in design of reliable communication systems

et al. 2015

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“…According to [10] other challenges in VANET i.e. vehicle movements and driver's behavior cause rapid topology changes and frequent fragmentation on the network.…”

Section: Related Workmentioning

confidence: 99%

EpiDOL: Epidemic Density Adaptive Data Dissemination Exploiting Opposite Lane in VANETs

Nizamoglu

Coleri

Özkasap

2013

Lecture Notes in Computer Science

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Abstract. Vehicular ad-hoc networks (VANETs) aim to increase the safety of passengers by making information available beyond the driver's knowledge. The challenging properties of VANETs such as their dynamic behavior and intermittently connected feature need to be considered when designing a reliable communication protocol in a VANET. In this study, we propose an epidemic and density adaptive protocol for data dissemination in vehicular networks, namely EpiDOL, which utilizes the opposite lane capacity with novel probability functions. We evaluate the performance in terms of end-to-end delay, throughput, overhead and usage ratio of the opposite lane under different vehicular traffic densities via realistic simulations based on SUMO traces in ns-3 simulator. We found out that EpiDOL achieves more than 90% throughput in low densities, and without any additional load to the network 75% throughput in high densities. In terms of throughput EpiDOL outperforms the Edge-Aware and DV-CAST protocols 10% and 40% respectively.

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“…Comparing to other communication systems, vehicular networks are characterized by several and unique features, namely the intermittent connectivity and the potential non-existence of an end-to-end path [4]. However, this type of networks has to deal with challenging issues [5] (e.g., the high mobility of vehicles, the constant network topology changing, or even the network scale). To overcome the above-mentioned issues, several approaches are emerging, such as Vehicular Ad Hoc Networks (VANETs) [6,7], Delay-Tolerant Networks (DTNs) [8], and more recently, Vehicular Delay-Tolerant Networks (VDTNs) [9] that are considered in this study.…”

Section: Introductionmentioning

confidence: 99%

Performance assessment of fragmentation mechanisms for vehicular delay-tolerant networks

Dias

Rodrigues

Isento

et al. 2011

J Wireless Com Network

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Vehicular Delay-Tolerant Networks (VDTNs) are a new approach for vehicular communications where vehicles cooperate with each other, acting as the communication infrastructure, to provide low-cost asynchronous opportunistic communications. These communication technologies assume variable delays and bandwidth constraints characterized by a non-transmission control protocol/internet protocol architecture but interacting with it at the edge of the network. VDTNs are based on the principle of asynchronous communications, bundle-oriented communication from the DTN architecture, employing a store-carry-and-forward routing paradigm. In this sense, VDTNs should use the tight network resources optimizing each opportunistic contact among nodes. Given the limited contact times among nodes, fragmentation appears as a possible solution to improve the overall network performance, increasing the bundle delivery probability. This article proposes the use of several fragmentation approaches (proactive, source, reactive, and toilet paper) for VDTNs. They are discussed and evaluated through a laboratory testbed. Reactive and toilet paper approaches present the best results. It was also shown that only the source fragmentation approach presents worst results when compared with non-fragmentation approaches.

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Challenges of Intervehicle Ad Hoc Networks

Cited by 506 publications

References 19 publications

Future research directions in design of reliable communication systems

Future research directions in design of reliable communication systems

EpiDOL: Epidemic Density Adaptive Data Dissemination Exploiting Opposite Lane in VANETs

Performance assessment of fragmentation mechanisms for vehicular delay-tolerant networks

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