Abstract
This paper proposes a novel Vehicle to Vehicle (V2V) communication system for collision avoidance which merges four different wireless devices (GPS, Wi-Fi, ZigBee® and 3G) with a low power embedded Single Board Computer (SBC) in order to increase processing speed while maintaining a low cost. The three major technical challenges with such combinations are the limited system bandwidth, high memory requirement and slow response time during data processing when accessing various collision avoidance situations. Collision avoidance data processing includes processing data for vehicles on express ways, roads, tunnels, traffic jams and indoor V2V communication such as required in car parks. Effective methods are proposed to address these technical challenges through parallel Central Processing Unit (CPU) and Graphic Processing Unit (GPU) processing. With this, parallel V2V trilateration and parallel bandwidth optimization, multi-dimensional real time complex V2V data streaming can be attained in less than a second. The test results have shown that there is at least a 4 to 10 times improvement on processing speed with parallel CPU and GPU processing used in V2V communication depending on different road safety conditions.
Highlights
Road safety has drawn worldwide attention due to an increasing number of accidents every year
The most basic V2V communication system consists of Global Positioning System (GPS) and General Packet Radio Service (GPRS) which transmit the current vehicle location to the nearby vehicle using mobile the Point to Point (P2P) network protocol
This was done in order to monitor the relative movement of vehicles surrounding each other to predict occurrences of abrupt evasive action such as when blind spots are encountered which leads to dangerous situations
Summary
Road safety has drawn worldwide attention due to an increasing number of accidents every year. According to the United Nations (UN) road safety report approximately 90% of road fatalities occur in low and middle income countries [1] and high portion of these accidents are due to issues directly related to the driver. Due to its high impact, much research on Vehicular AdHoc Networks (VANET) and the safety applications that go along with it have been carried out to prevent or lower the rate of accidents [2] [3] [4] [5]. VANETs are the customary implementation of network communications for Intelligent Transport Systems (ITS). The most basic V2V communication system consists of GPS and General Packet Radio Service (GPRS) which transmit the current vehicle location to the nearby vehicle using mobile the Point to Point (P2P) network protocol
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