A scalable hybrid MAC strategy for traffic-differentiated IoT-enabled intra-vehicular networks

Rahman, Md. Arafatur and A. Taufiq, Asyhari and Ibnu Febry, Kurniawan and Ali, Md Jahan and M. M., Rahman and Karim, Mahima (2020) A scalable hybrid MAC strategy for traffic-differentiated IoT-enabled intra-vehicular networks. Computer Communications, 157. pp. 320-328. ISSN 0140-3664. (Published)

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DOI/Official URL: https://doi.org/10.1016/j.comcom.2020.04.035

Abstract

The increasing popularity of Internet of Things-enabled Intra-Vehicular Wireless Sensor Networks (IoT-IVWSNs) relying on IEEE 802.15.4 standard has generated a massive amount of wireless data traffic and put a great pressure in the network functionalities. Along this trend, the existing medium-access control (MAC) protocol struggles to keep up with the unprecedented demand of vehicle monitoring sensors simultaneously emitting data, which can lead to packet collisions, severe network congestion and lost of time-critical data, due to the inflexible characteristics of the protocol. In order to mitigate these issues, this work proposes an enhanced MAC scheme that is scalable to account for diverse sensor-traffic quality of services. The hybrid scheme aims to effectively combine two procedures, namely history- and priority-based MAC, to allocate appropriate network resources for smooth transmission flow from multiple sensors. History-based MAC exploits historical contention data to optimize a near-future contention window that aims to minimize packet collision and expedite the average data delivery. Priority-based MAC assigns priority based on the time-criticality of the sensing data, which is subsequently being used to schedules network resources. Numerical results show the desirable performance of the hybrid scheme for IoT-IVWSNs in comparison to the existing MAC and sole history-based or priority-based strategies in the context of packet delivery ratio and transmission delay.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Automotive; Congestion; Intra-vehicular network; IoT; MAC strategy; Medium access; Packet delivery ratio; Vehicle
Subjects:	Q Science > QA Mathematics > QA76 Computer software T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Centre of Excellence: IBM Centre of Excellence Institute of Postgraduate Studies College of Engineering Faculty of Computing
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	21 Sep 2021 14:26
Last Modified:	21 Sep 2021 14:26
URI:	http://umpir.ump.edu.my/id/eprint/28615
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