NDLI: RSU-based real-time data access in dynamic vehicular networks

Content Provider	IEEE Xplore Digital Library
Author	Kai Liu Lee, V.C.S.
Copyright Year	2010
Description	Author affiliation: Dept. of Computer Science, City University of Hong Kong, China (Kai Liu; Lee, V.C.S.)
Abstract	Recently, data dissemination in vehicular networks has received considerable attention. In particular, there has been significant interest in accessing information stored at RSUs (Roadside Units). Although data access has been extensively studied in the network community, unique characteristics in vehicular networks bring us new challenges. First, the RSU provides both safety-critical and non-safety-critical services, which should be differentiated. Second, due to the limited communication range covered by RSUs, information must be provided in time to be accessed by passing vehicles. Last but not least, in a typical vehicular network, the traffic characteristics such as vehicle arrival rate, dwell time and data access pattern change from time to time, which require special efforts in information delivery to gain satisfactory performance. This paper first proposes a data dissemination framework supported by the RSU, in which an adaptable data dissemination method is presented. Next, we derive an analytical model to form the basis of performance evaluation. Last, we present a series of evaluation results to examine the system performance in dynamic traffic environments. The results not only demonstrate the effectiveness of the adaptable data dissemination mechanism, but also explore novel features of data dissemination in dynamic vehicular networks, which give insights into new research problems.
Starting Page	1051
Ending Page	1056
File Size	799563
Page Count	6
File Format	PDF
ISBN	9781424476572
ISSN	21530017
e-ISBN	9781424476596
DOI	10.1109/ITSC.2010.5625189
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-19
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vehicles Vehicle dynamics System performance Analytical models Mathematical model Equations Performance evaluation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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