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Full-Text Articles in Engineering
A System For Monitoring And Managing Indoor Air Quality And Environmental Conditions, Ali Ibrahim
A System For Monitoring And Managing Indoor Air Quality And Environmental Conditions, Ali Ibrahim
Boise State University Theses and Dissertations
The quality of indoor air depends on different types of pollutant sources existing in a semi-enclosed environment. The sources can be biological, chemical, or toxic pollutants. These sources can cause health issues and discomfort for occupants. One of the indicators of poor indoor air quality is Carbon Dioxide (CO2). CO2 can be used to indicate the indoor air exchange rate. The lack of air exchange means higher levels of CO2. High levels of indoor particulates can also be an indication of poor air quality. Due to the lack of fresh air, air circulation, and air …
Leveraging Multi-Radio Communication For Mobile Wireless Sensor Networks, Jeremy J. Gummeson
Leveraging Multi-Radio Communication For Mobile Wireless Sensor Networks, Jeremy J. Gummeson
Masters Theses 1911 - February 2014
An important challenge in mobile sensor networks is to enable energy-efficient communication over a diversity of distances while being robust to wireless effects caused by node mobility. In this thesis, we argue that the pairing of two complementary radios with heterogeneous range characteristics enables greater range and interference diversity at lower energy cost than a single radio. We make three contributions towards the design of such multi-radio mobile sensor systems. First, we present the design of a novel reinforcement learning-based link layer algorithm that continually learns channel characteristics and dynamically decides when to switch between radios. Second, we describe a …