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Vehicular networks enable an efficient communication with the aim of improving data dissemination among vehicles. However, a growing number of vehicles expect to conduct data dissemination through road side facilities which cause an increment of network load. To address the issue, this letter applies fog computing technologies for enhancing vehicular network that is planned as a layered network architecture...
The mobile industry’s evolution from 4G to 5G will lead to a deep progress on mobile applications that are widely used in some new environments, such as vehicular social networks (VSNs). In VSNs, which are considered the first automobile social networks, vehicular communication can facilitate large-scale data sharing between drivers and their neighbours. However, malicious users of VSNs can also disseminate...
As product of the combination of Internet technology and sensor network, Internet of things (IoT) greatly facilitates the mutual interaction of the information world and physical world. Furthermore, with the rapid development of modern transportation systems, as a typical successful application of IoT in the real life, intelligent traffic system (ITS) has a great significance on management of the...
The National Highway Traffic Safety Administration data show that drowsy driving causes more than 100,000 crashes a year. In order to prevent these devastating accidents, it is necessary to build a reliable driver drowsiness detection system which could alert the driver before a mishap happens. In the literature, the drowsiness of a driver can be measured by vehicle-based, behavior-based, and physiology-based...
In this paper, we present a new, shader based polygon stitching algorithm that takes full advantage of the geometry shader. Based on this algorithm, we propose a novel method to simulate deformable terrain, particularly the simulation of tire tracks left on the soft terrain such as snow, mud, or sand. Existing methods for simulating deformable terrain include texture decals, bump mapping, displacement...
To reduce the traffic accidents when backing and parking, we develop a sort of vehicle reverse sensor alarming system based on the CAN bus. The system can be divided into the range acquisition module, the system control module, the bus node controller and the display alarm module. The range acquisition subsystem adopts the ultrasonic technology to measure the distance between the vehicle and the obstacle...
In order to reduce the vehicle rear collisions and the damage degrees on passengers, we adopt the dot matrix display technology and the vehicle high positioned brake reminder technology based on CAN bus. The designed high positioned brake reminder system is composed by the nodes based on CAN bus. The first node is the sensor data acquisition node based on SCM. The brake position sensor in the node...
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