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Caicedo, D. (author)
Light emitting diode (LED) based systems are considered to be the future of lighting. We consider the problem of energy-efficient illumination control of such systems. Energy-efficient system design is based on two aspects: localized information of occupancy and optimization of dimming levels of the LEDs. Specifically, we are interested in...
master thesis 2010
Lamelas Polo, Y. (author)
It has been widely recognized that utilization of radio spectrum by licensed wireless systems, e.g., TV broadcasting, aeronautical telemetry, is quite low. In particular, at any given time and spatial region, there are frequency bands where there is no signal occupancy. There has been recent interest in improving spectrum utilization by...
master thesis 2008