Sales Zaragozá, Vicente (Date of defense: 2017-10-25)
A new passive optical network (PON) for access, making use of ultra-dense wavelength division multiplexing (UDWDM) by densely spacing channels by a few gigahertz and introducing the "wavelength-to-the-user" ...
Barragán Cuesta, Rubén (Date of defense: 2019-07-05)
This Ph.D. thesis focuses on: (i) the design and integration of a polarimetric channel for the multi-spectral Raman lidar station of the Universitat Politècnica de Catalunya (UPC), Remote Sensing, ...
Mendoza Montoya, Jesús Fabián (Date of defense: 2019-04-24)
The recent technological advances in the satellite domain such as the use of High Throughput Satellites (HTS) with throughput rates that are magnitudes higher than with previous ones, or the use of large ...
Rubio López, Javier (Date of defense: 2016-06-22)
his dissertation proposes novel techniques for assigning resources of wireless networks by considering that the coverage radii are small, implying that some power consumption sinks not considered so far ...
Pham, Thi Quynh Anh (Date of defense: 2019-12-18)
The power efficiency and linearity of radio frequency (RF) power amplifiers (PAs) are critical in wireless communication systems. The main scope of PA designers is to build the RF PAs capable to maintain ...
Gutiérrez Antuñano, Miguel Ángel (Date of defense: 2019-07-08)
This Ph.D. thesis addresses remote sensing of the atmosphere by means of lidar and S-band clear-air weather radar, and related data signal processing. Active remote sensing by means of these instruments ...
Monells Miralles, Daniel (Date of defense: 2017-01-18)
Space-borne Synthetic Aperture Radar (SAR) systems have demonstrated great effectiveness to survey wide areas, independently of the weather conditions and the day/night cycle. One of the most exploited ...
Cardellach Galí, Estel (Date of defense: 2002-03-07)
(English) The Global Navigation Satellite Systems (GNSS) are large, stable and calibratecl sets of spaceborne L-band microwave transmitters with very well characterized properties. They provide global ...
Sarrigiannis, Ioannis (Date of defense: 2023-02-10)
(English) The fifth generation (5G) of mobile communications urges software defined networking (SDN) and network function virtualization (NFV) to join forces with the multi-access edge computing (MEC) ...
Guerra Gómez, Rolando (Date of defense: 2023-05-19)
(English) The Fifth-Generation (5G) of cellular networks significantly increases the performance and flexibility of the offered services to users and service providers. The strict network requirement ...