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Trend of accelerated aging society increases need of care for the aged at home. To fit this need, we designed the continuous body posture monitoring system based on wireless sensor networks. The hardware platform is made up of anchor nodes, the central control node and wireless sensor nodes which include the three axis low-g accelerometer MMA7260, 2-axis magnetic sensor HMC5883L and CC2431 System-on-Chip...
Smart home is one of the cutting-edge technologies in today's international intelligent building field. The smart home system has been used to adopt complex integrated wiring technology to achieve information interaction. There are several disadvantages identified with this method, for example, it needs to design in advance, layout techniques is difficult, wiring is cumbersome and so on. We propose...
It is a critical consideration to collect and fuse sensed information in an energy efficient manner for obtaining a long lifetime of the sensor network. Based on our findings that the conventional methods of direct transmission, shortest path routing, and Dempster-Shafer tool may not be optimal for data fusion of sensor networks, we propose LEECF (low-energy event centric fusion), a event-centric-based...
Sensor networks have recently gained a lot of attention from the research community. To ensure scalability sensor networks are often partitioned into clusters, each managed by a cluster head. Since sensors self organize in the form of clusters within a hierarchal wireless sensor network, it is necessary for a sensor node to perform target tracking cooperating with a set of sensors that belong to another...
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