Marthinus J. Booysen

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We thank the anonymous reviewers for their constructive feedback which greatly helped us to improve the quality and presentation of this paper. Abstract To address the need for autonomous control of remote and distributed mobile systems, Machine-to-Machine (M2M) communications are rapidly gaining attention from both academia and industry. M2M communications(More)
—Despite various proposed Medium Access Control (MAC) approaches, efficient medium access in VANET remains a significant challenge, especially for the broadcast of safety messages. A key contributing factor to packet loss is the hidden terminal problem, which is exacerbated by the high node mobility apparent in VANET. Since the hidden terminal problem is(More)
—Smartphone-based driver monitoring and other forms of smartphone-based telematics are fast becoming a prevalent trend, especially in the vehicle insurance industry. Choosing the most appropriate sensor system is a pivotal aspect of any driver behavior monitoring system. This paper evaluates the performance of the two sensor systems for smartphone-based(More)
—The ubiquitous presence of smartphones provides a new platform on which to implement sensor networks for Intelligent Transport Systems (ITS) applications. Smartphone-based driving behavior monitoring has applications in the insurance industry, fleet management, driver training, and for law enforcement. In this paper we propose a Maximum Likelihood (ML)(More)
—The informal public transport industry in South Africa, primarily dominated by minibus taxis is noted for poor compliance and disregard towards posted speed limits. They go as far as driving over the differentiated speed limit of the lighter passenger vehicles used for private transport. This paper compares and evaluates improvements in their speed(More)