Proceedings ArticleDOI
Co-operative data access in multiple Road Side Units (RSUs)-based Vehicular Ad Hoc Networks (VANETs)
G. G. Md. Nawaz Ali,Edward Chan +1 more
- pp 1-6
TLDR
This work proposes a multiple-RSU model, which offers the opportunity to the RSUs suffering from handling high volume workload to transfer some of its delay tolerant requests to other RSUs, which have light workload and located in the direction in which the vehicle is heading.Abstract:
Nowadays, data dissemination using Road Side Units (RSUs) in Vehicular Ad Hoc Networks (VANETs) has received important consideration to assist the inter-vehicle communication for overcoming the vehicle to vehicle frequent disconnection problem. During rush hour, an RSU may be overloaded by many requests submitted by the vehicles. Due to strict realtime and short wireless transmission range coverage constraints, a heavily overloaded RSU may experience high deadline miss rate in effect of serving too many requests beyond its capacity. In this work, we investigate the vehicle submitted requests are generally two types: delay sensitive and delay tolerant. We propose a multiple-RSU model, which offers the opportunity to the RSUs suffering from handling high volume workload to transfer some of its delay tolerant requests to other RSUs, which have light workload and located in the direction in which the vehicle is heading. By a series of simulation experiments, we also support our multiple-RSU based co-operative load transferring model, which extensively outperforms the single independent RSU based VANETs model against a number of performance metrics.read more
Citations
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Journal ArticleDOI
Engineering problems in machine learning systems
TL;DR: This study identifies, classify, and explore the open problems in engineering (safety-critical) machine learning systems—that is, in terms of requirement, design, and verification of machine learning models and systems—as well as discuss related works and research directions, using automated driving vehicles as an example.
Journal ArticleDOI
Double Threshold Spectrum Sensing Methods in Spectrum-Scarce Vehicular Communications
Ellen O. Hill,Hongjian Sun +1 more
TL;DR: Three new DTHs are proposed, based on a sliding variable, that can react to changes in the environment, providing the required primary user detection and false alarm probabilities while limiting the number of vehicles reporting sensing data.
Journal ArticleDOI
A multiple RSU collaborative scheduling scheme for data services in vehicular ad hoc networks
TL;DR: A new scheduling scheme by which multiple RSUs are connected through wired networks and data is transferred through the collaboration of RSUs is proposed, showing better deadline miss ratios and faster response time than the existing schemes.
Proceedings ArticleDOI
A multiple RSU scheduling for V2I-based data services
TL;DR: It is shown through performance evaluation that the proposed RSU Scheduling scheme outperforms the existing scheme in various environments.
References
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Journal ArticleDOI
Data Pouring and Buffering on the Road: A New Data Dissemination Paradigm for Vehicular Ad Hoc Networks
Jing Zhao,Yang Zhang,Guohong Cao +2 more
TL;DR: This paper proposes a data pouring (DP) and buffering paradigm to address the data dissemination problem in a VANET and provides analytical models to explore the dissemination capacity of the proposed schemes.
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