NDLI: On deriving and incorporating multihop path duration estimates in VANET protocols

Content Provider	ACM Digital Library
Author	Nakayama, Marvin K. Borcea, Cristian Nzouonta, Josiane
Copyright Year	2011
Abstract	The expected duration of multihop paths can be incorporated at different layers in the protocol stack to improve the performance of mobile ad hoc networks. This article presents two discrete-time and discrete-space Markov chain-based methods, DTMC-CA and DTMC-MFT, to estimate the duration of multihop road-based paths in vehicular ad hoc networks (VANET). The duration of such paths does not depend on individual nodes because packets can be forwarded by any vehicle located along the roads forming the path. DTMC-CA derives probabilistic measures based only on vehicle density for a traffic mobility model, which in this article is the microscopic Cellular Automaton (CA) freeway traffic model. DTMC-MFT generalizes the approach used by DTMC-CA to any vehicular mobility model by focusing on the macroscopic information of vehicles rather than their microscopic characteristics. The proposed analytical models produce performance-measure values comparable to simulation estimates from the validated CA traffic model. Furthermore, this article demonstrates the benefits of incorporating expected path durations into a VANET routing protocol. Simulation results show that the network overhead associated with route maintenance can be reduced to less than half by using the expected path durations.
Starting Page	1
Ending Page	23
Page Count	23
File Format	PDF
ISSN	10493301
e-ISSN	15581195
DOI	10.1145/1899396.1899402
Volume Number	21
Issue Number	2
Journal	ACM Transactions on Modeling and Computer Simulation (TOMACS)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-02-18
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multihop path duration,vehicular ad hoc networks Road-based routing
Content Type	Text
Resource Type	Article
Subject	Computer Science Applications Modeling and Simulation

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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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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