An efficient energy‐aware predictive clustering approach for vehicular ad hoc networks

Abstract

Summary With an emergence of information and communication technologies, there is an increase in the demands of providing safety and comfort to the passengers during their mobility on the road. These demands can be fulfilled by one of the most popular networks of its type—vehicular adhoc networks (VANETs). As vehicles in VANETs are constrained with respect to the available resources such as computation and storage, lot of energy is consumed to perform a number of complex operations, which may lead to the emission of harmful CO2 emission that effect the global warming system. Moreover, because of high velocity led by constant topological changes, it is a challenging task to maintain quality of service with respect to parameters such as high throughput, and minimum end‐to‐end delay. Hence, an intelligent approach is required to optimize the various complex operations in this environment, which may led to the minimum emission of CO2 and other gasses. To address these issues, this paper proposes an efficient energy‐aware predictive clustering scheme for vehicles. Efficient algorithms are designed for future mobility predictions and average variations of vehicles on the road. The algorithms estimate the clustering duration and total vehicles in the cluster. The performance of the designed algorithms is studied using extensive simulations by varying the number of vehicles and cluster durations in comparison with existing benchmarked scheme in the literature. The results obtained show that the proposed scheme is superior in comparison with the existing scheme of its category. Copyright © 2015 John Wiley & Sons, Ltd.

Pseudonym changing strategy with multiple mix zones for trajectory privacy protection in road networks

“…Rationally, the more k increases, the more the anonymity level is higher. When the target vehicle joins the network, the PC fires a timer, called Pseudonym Timer (PTimer), to keep the active and current pseudonym for a minimum period of time, which is the requirement of position‐based routing, such as 1 minute. When the PTimer expires, the PC must notify the neighboring environment that it is willing to change the current pseudonym.…”

“…Therefore, in all safety apps and mostly in delay tolerant networks, message dissemination performs a very important role for the sake of quality of service. Additionally, data dissemination in traffic‐based applications will always be an issue in road networks . Moreover, the main advantage of these applications would be of public benefit rather than for individual basis.…”

“…Additionally, data dissemination in traffic-based applications will always be an issue in road networks. [19][20][21][26][27][28][29][30][31][32][33] Moreover, the main advantage of these applications would be of public benefit rather than for individual basis. Therefore, it is recommended to use broadcast transmission rather than uni cast transmission.…”

Distance and clustering‐based energy‐efficient pseudonyms changing strategy over road network

“…Considering the road network region of road measured, the close distance vehicle nodes enter the CH coverage, they could not need broadcast certificate nor cluster reconstruction phase of every round, its changing pseudonyms and save energy cost shown in Figure .…”

An Intelligent Context-aware Congestion Resolution Protocol for Data Dissemination in Vehicular Ad Hoc Networks

“…Vehicles on road can communicate with one another in two different ways namely as: Vehicle-to-Vehicle (V2V) or Vehicle-to-Infrastructure (V2I) [9][10][11][12][13]. In V2V, nodes communicate with one another in Peer-to-Peer (P2P) manner and in V2I, nodes communicate by using an existing infrastructure which is provided by the nearest Road Side Unit (RSUs) [14][15][16].…”