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As a step toward sustainable wireless sensing, we present a proof of concept system that uses a Plant Microbial Fuel Cells (PMFC) as a power source. To match the very low power production capabilities of the PMFC, we couple it with an ultra-low power wake-up receiver used as a trigger for sampling and transmission of the sensed value. We demonstrate that this combination, with a new, receiver initiated...
In wireless environments, transmission and reception costs dominate system power consumption, motivating research effort on new technologies capable of reducing the footprint of the radio, paving the way for the Internet of Things. The most important challenge is to reduce power consumption when receivers are idle, the so called idle-listening cost. One approach proposes switching off the main receiver,...
This paper presents a smartphone based portable activity recognition system to record and recognize daily activity patterns of users. This system can assist patients and any individual to better understand their unhealthy behavior, however, making them to change that behavior by improving their daily level of physical activity.
This paper presents an extensible and flexible architecture for integrating Wireless Sensor Networks with the Cloud. REST based Web services is used as an interoperable application layer that can be directly integrated into other application domains for remote monitoring such as e-health care services and smart environments. For proof of concept, we have set up a REST based Web services on an IP based...
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