Niotaki, Kyriaki (Date of defense: 2014-12-15)
In the future communication systems, it is of key importance that the transceivers are capable of operating in multiple frequency bands and with complex signals. In this context, the power amplifier is ...
Bouali, Faouzi (Date of defense: 2013-09-06)
To overcome the current under-utilization of spectrum resources, the CR (Cognitive Radio) paradigm has gained an increasing interest to perform the so-called Dynamic Spectrum Access (DSA). In this ...
González Arbesú, José María (Date of defense: 2000-04-06)
La presente Tesis Doctoral toma como base los trabajos iniciados por investigaciones de la Universidad de Colorado(USA) orientados hacia la medida de las correintes superficiales inducidas por radiaciones ...
Moragrega Estrany, Anna (Date of defense: 2016-02-04)
In Wireless Sensor Networks (WSN), the ability of sensor nodes to know its position is an enabler for a wide variety of applications for monitoring, control, and automation. Often, sensor data is ...
Temko, Andriy (Date of defense: 2007-01-23)
L'activitat humana que té lloc en sales de reunions o aules d'ensenyament es veu reflectida en una rica varietat d'events acústics, ja siguin produïts pel cos humà o per objectes que les persones manegen. ...
Kumar, Dhiraj (Date of defense: 2012-07-16)
The increasing need for range-resolved aerosol and water-vapour atmospheric observation networks worldwide has given rise to multi-spectral LIDARs (Light Detection and Ranging, a synonym of laser radar) ...
Tello Alonso, Maria Victoria (Date of defense: 2011-02-07)
In the recent years, a wide interest has been focused on research and development for the operational use of satellite remote sensing tools for Earth observation. Among different types of sensors, ...
Ghavidel, Ali (Date of defense: 2015-07-14)
In this Ph. D. dissertation the electromagnetic bias in GNSS-R (Global Navigation Satellite Systems Reflectometry) altimetry has been studied. GNSS-R altimetry is a new type of system that uses navigation ...
Khan, Umair (Date of defense: 2021-01-11)
In speaker recognition, i-vectors have been the state-of-the-art unsupervised technique over the last few years, whereas x-vectors is becoming the state-of-the-art supervised technique, these days. ...
Gómez, Ismael (Date of defense: 2013-12-19)
The aim of this thesis is defining and developing the concept of an efficient management of radio and computing resources in an SDR cloud. The SDR cloud breaks with today's cellular architecture. A set ...