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Dead Reckoning has successfully been used as a navigational method in the maritime field for positioning between two fixed locations. This approach can be also implemented for smartphones using acceleration sensor and magnetic field sensor. The reliability of the compass values obtained is important in order to calculate the new position. Different tests of accuracy of compass readings of two different...
In order to improve the quality of life for the elderly or people with chronic disease, the paper proposes a smart cell-based sensor network for home monitoring. The cell is considered to be a small sensor network which is situated into the patient's house. It is composed of mobile and fixed sensors, disposed on five sensor groups. Each group is actually a network of dedicated sensors: ambient sensor...
This paper presents a road surface defect identification system based on 3D accelerometers, GPS and video modules deployed on vehicles. The mobile platform architecture and the central data aggregation algorithm are also discussed. Because the mobile system is deployed over a large outdoor area, we also present a solution for the wireless communication coverage problem. Finally, we are highlighting...
The implementation of a reliable indoor localization system can be the starting point for a variety of much desired applications. Either we want to implement a solution for efficient patient monitoring inside a hospital or an automatic guide inside a museum, a working localization solution is needed. Smartphone technology provides us with a powerful and user friendly tool in order to achieve adequate...
An intelligent femtocell-based sensor network is proposed for home monitoring elderly or people with chronic diseases. The femtocell is considered as a small sensor network which is placed into patient house and consists on both mobile and fixed sensors disposed on three layers. The first layer contains body sensors attached to the patient that monitor different health parameters, patient location,...
The current paper proposes a hybrid sensor network for indoor monitoring and discusses the way both body and ambient wireless sensors are integrated into this network. A multi-level system architecture is described which relays acquired data and alerts to relevant third parties. Its main purpose is to build a system that monitors the house of a patient and is capable of collecting data from all the...
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