NDLI: An analytical model for TDMA-based MAC protocols in VANETs

Content Provider	IEEE Xplore Digital Library
Author	An, Lu Zou, Rui Liu, Zishan Hu, Zhirui Niu, Qin
Copyright Year	2014
Description	Author affiliation: School of Information and Communications Engineering, Beijing University of Posts and Telecommunications, China (An, Lu; Zou, Rui; Liu, Zishan; Hu, Zhirui; Niu, Qin)
Abstract	The design of reliable and adaptive Medium Access Control (MAC) protocol is of crucial importance in the actual emergence of vehicular ad hoc networks (VANETs). Time Division Multiple Address (TDMA) based MAC protocol is promising for VANETs as many works have proven that it can provide reliable broadcast services without hidden terminal problem when properly designed. However, the high vehicle mobility, dynamic traffic density and changeable network topology make the TDMA scheduling very difficult. Therefore, the performance of TDMA-based MAC mechanism needs in-depth evaluation. In this paper, three performance metrics for TDMA protocols in VANETs, namely the average reservation delay, slot utility ratio and slot available duration, are introduced and evaluated analytically and by simulations. The expressions of these metrics are derived taking the impact of vehicle mobility and different network parameters such as transmission range, the number of available time slots, the traffic density, vehicle moving speed into account. The proposed analytical model is applied for two existing TDMA based protocols, ADHOC MAC and VeMAC, and the theoretical results are coherent with the simulation results. As a result, some important observations are obtained for the future design and enhancement of TDMA protocols.
Starting Page	607
Ending Page	612
File Size	315309
Page Count	6
File Format	PDF
ISBN	9789860334074
ISSN	18825621
DOI	10.1109/WPMC.2014.7014889
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-07
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	National Institute of Information and Communicatio
Subject Keyword	Time division multiple access Performance Evaluation TDMA Merging VANET Media Access Protocol Delays Safety MAC Vehicles
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
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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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