NDLI: A MAC transmission strategy in sparse Vehicular Delay-Tolerant Sensor Networks

Content Provider	Springer Nature Link
Author	Zhou, Xiaoli Boukerche, Azzedine
Copyright Year	2015
Abstract	In wireless sensor networks that lack telecommunication infrastructure, vehicular sensors may experience the following severe connectivity issues: sparse and intermittent connectivity, long and variable delays, high latency, high error rates, highly asymmetric data rates, and lack of end-to-end connectivity. The MAC layer can make use of this connectivity problem and play an important role in solving data throughput efficiency, energy conservation and different service issues in sparse Vehicular Delay-Tolerant Sensor Networks (VDTSN). In this paper we propose an efficient transmission strategy in the MAC layer which coordinates the working procedure of vehicular sinks and ordinary sensors. We also designed three transmission algorithms for different quality requirements of data, with energy conservation considerations in one contact interval. Transmission power consumption and data throughput are the main measurements used to evaluate transmission efficiency performance. We compare and analyse our scheme with two other important MAC protocols in wireless sensor networks and vehicular ad-hoc networks in throughput, delay, energy consumption etc. The simulation results show that the strategy performs the transmission of different types of data more effectively in an energy-saving and data-throughput-balanced way than other MAC approaches in sparse VDTSN.
Starting Page	2237
Ending Page	2252
Page Count	16
File Format	PDF
ISSN	10220038
Journal	Wireless Networks
Volume Number	21
Issue Number	7
e-ISSN	15728196
Language	English
Publisher	Springer US
Publisher Date	2015-02-10
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Vehicular Delay-Tolerant Sensor Networks Sparse networks Ad-hoc networks Quality of service Contact interval Communications Engineering, Networks Computer Communication Networks Electrical Engineering IT in Business
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Electrical and Electronic Engineering

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