NDLI: An adaptive channel coordination mechanism for Vehicular Ad hoc Networks

Content Provider	IEEE Xplore Digital Library
Author	Lifeng Zhang Beihong Jin Keqin Li Fusang Zhang
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Sci., State Univ. of New York at New Paltz, New Paltz, NY, USA (Keqin Li) \|\| Inst. of Software, Beijing, China (Lifeng Zhang; Beihong Jin; Fusang Zhang)
Abstract	The different types of applications in VANETs impose diversified traffic loads. Although multi-channel operations are applied in the MAC layer to improve throughput and potentially reduce the latency, the existing multi-channel approaches show some limitations to meet the changing demands of applications. In this paper, we present an adaptive channel coordination mechanism named Merak to enhance IEEE 1609.4 by adjusting the length ratio of CCH interval and SCH interval dynamically. To be specific, we model the channel interval allocation with a Markov decision process, and estimate the optimal channel interval for the current traffic load by employing a fuzzy actor-critic algorithm. The extensive experiments are conducted to observe Merak, the alternating access scheme in IEEE 1609.4 and the variable channel interval scheme (VCI). The experimental results indicate that Merak can adapt to the varying traffic loads better than the original IEEE 1609.4 and VCI, especially boosting the timeliness and delivery rate of burst emergent or periodic control message loads on the CCH and maintaining the satisfactory throughput and delivery rate of fluctuating service data on the SCHs.
Starting Page	557
Ending Page	564
File Size	363478
Page Count	8
File Format	PDF
ISSN	07421303
e-ISBN	9781479905379
DOI	10.1109/LCN.2013.6761291
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synchronization Delays Vectors Throughput Resource management Switches IP networks Channel Interval Allocation Vehicular Ad hoc Networks Channel Coordination
Content Type	Text
Resource Type	Article

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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
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