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

Rahman, Md. Arafatur and Asyhari, A. Taufiq and Kurniawan, Ibnu Febry and Ali, Md Jahan and Rahman, M.M. 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

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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
Identification Number:	10.1016/j.comcom.2020.04.035
Dates:	Date Event 15 April 2020 Accepted 20 April 2020 Published Online
Uncontrolled Keywords:	automotive, congestion, intra-vehicular networks, IoT, MAC strategy, medium access, packet delivery ratio, vehicle
Subjects:	CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science CAH10 - engineering and technology > CAH10-01 - engineering > CAH10-01-08 - electrical and electronic engineering
Divisions:	Faculty of Computing, Engineering and the Built Environment > College of Computing
Depositing User:	Taufiq Asyhari
Date Deposited:	09 Jun 2020 14:45
Last Modified:	20 Apr 2022 03:00
URI:	https://www.open-access.bcu.ac.uk/id/eprint/9331

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