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In this paper, we propose a smart parking system detecting and finding the parked location of a consumer's vehicle. Using ultrasonic and magnetic sensor, the proposed system detects vehicles in indoor and outdoor parking fields, accurately. Wireless sensor motes support a vehicle location service in parking lots using BLE.
Wireless sensor networks have important military and civilian applications where determining the geographical location of a specific event is crucial. High-accuracy event localization is a challenging task that depends on the type of event to track. Hence, this work proposes a general approach for achieving event localization in wireless sensor networks, keeping independence from the kind of signals...
Wireless sensor networks have attracted a lot of attention lately due to their wide range of applications from inventory management to battlefield surveillance. In most ca-ses, an accurate time synchronization is essential to provide a common time reference and facilitate coordinated actions. However, a particular challenge arises when it is considered that network nodes are clocked by low-cost, low-stability...
To achieve the remote control and automation of ultrasonic testing equipment, a Bluetooth-based ultrasonic testing system was developed with single-chip microcomputer as the core and wireless communication technology for data transmission. The system is composed of master and slave units. The slave unit includes the ultrasonic transmitter and receiver circuits, Bluetooth communication module and the...
In this paper a new approach for locating people indoors is proposed. Since location based services become relevant for an increasing number of people, e. g. the location dependent automatic control of lighting, there is a need for unobtrusive and easy to use location systems. Especially in the field of healthcare, where the monitoring of elderly people becomes more and more important, such a system...
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