Barrios Porras, Ricardo (Date of defense: 2013-05-17)
Free-space optical (FSO) communications is drawing increasing attention as a promising technology to overcome bandwidth shortage, of an evermore crowded wireless marketplace. Currently radio-frequency ...
Sayyad Khodashenas, Pouria (Date of defense: 2014-06-05)
Triggered by emerging services such as high-definition video distribution or social networking, the IP traffic volume has been exponentially increasing to date. Furthermore, the traffic growth rate will ...
Mekikis, Prodromos-Vasileios (Date of defense: 2017-11-13)
Undeniably, the progress in wireless networks during the last two decades is extraordinary. However, the ever-increasing upward trend in the numbers of wireless devices that will overwhelm every field ...
Sekulic, Ivan (Date of defense: 2019-06-13)
Les Equacions Integrals superficials més importants són l'Equació de Camp Elèctric (EFIE), per a l'anàlisi de la dispersió electromagnètica d'objectes conductors perfectes (PEC), i la formulació ...
Lagunas Targarona, Eva (Date of defense: 2014-03-07)
Signal acquisition is a main topic in signal processing. The well-known Shannon-Nyquist theorem lies at the heart of any conventional analog to digital converters stating that any signal has to be sampled ...
Pérez Mayos, Javier (Date of defense: 2012-07-03)
The objective of this dissertation is to study and develop techniques to decompose the speech signal into its two main components: voice source and vocal tract. Our main efforts are on the glottal pulse ...
Centolanza, Giuseppe (Date of defense: 2015-10-23)
The Earth is continuously monitored by sensors capable of providing diversified information about several phenomena. In particular Synthetic Aperture Radar (SAR) is able to observe the Earth in all-day ...
Merlano Duncan, Juan Carlos (Date of defense: 2012-07-26)
Precise phase synchronization of clock or local oscillator signals over distributed systems is a recurring requirement in the design of a wide range of systems, with applications in telecommunications ...
Raschellà, Alessandro (Date of defense: 2015-05-27)
Cognitive Radio (CR) paradigm represents an innovative solution to mitigate the spectrum scarcity problem by enabling Dynamic Spectrum Access (DSA), defined in order to conciliate the existing conflicts ...
Chakraborty, Rupayan (Date of defense: 2013-12-18)
Automatic acoustic scene analysis is a complex task that involves several functionalities: detection (time), localization (space), separation, recognition, etc. This thesis focuses on both acoustic event ...