Now showing items 41-60 of 116
Viamonte Solé, David (Date of defense: 2019-06-16)
Signaling in Next Generation IP-based networks heavily relies in the family of multimedia signaling protocols defined by IETF. Two of these signaling protocols are RTSP and SIP, which are text-based, client-server, ...
Guaya Delgado, Lenin (Date of defense: 2019-06-13)
The mobile ad-hoc networks are part of the next generation access networks (Next Generation Networking o NGN), "all-IP" networks facing the great scientific and technical challenge that is the ubiquitous computing The ...
García Davis, Ernesto J. (Date of defense: 2019-06-19)
Advances in wireless technologies and the rapid development of integrated electronics have made wireless sensor networks (WSN) one of the key technologies of the Internet of Things (IoT). Thanks to the ability of these ...
Ochoa Aday, Leonardo (Date of defense: 2019-01-30)
The evolution of information and communication technologies (e.g. cloud computing, the Internet of Things (IoT) and 5G, among others) has enabled a large market of applications and network services for a massive number of ...
Khalili, Hamzeh (Date of defense: 2018-09-20)
Ths thesis is a result of contributions to optimize and improve the network management systme and power consumption in Passive Optical Network (PON). Passive Optical Network elements such as Optical Line Terminal (OLT) and ...
Miozzo, Marco (Date of defense: 2018-09-18)
The trend for the next generation of cellular network, the Fifth Generation (5G), predicts a 1000x increase in the capacity demand with respect to 4G, which leads to new infrastructure deployments. To this respect, it is ...
Iza Paredes, Christian (Date of defense: 2018-07-12)
The growing demand to improve road safety and optimize road traffic has generated great interest in vehicular ad-hoc network (VANETs). Serious traffic accidents can cause financial losses, physical disability, and even ...
Fernández Fernández, Adriana (Date of defense: 2018-06-29)
Achieving energy efficiency has recently become a key topic of networking research due to the ever-increasing power consumption and CO2 emissions generated by large data networks. This problem is becoming even more concerning ...
Puglisi, Silvia (Date of defense: 2017-06-20)
Online communications generate a consistent amount of data flowing between users, services and applications. This information results from the interactions among different parties, and once collected, it is used for a ...
Afaqui, Muhammad Shahwaiz (Date of defense: 2017-06-28)
The explosive growth in usage of IEEE 802.11 based WLAN networks has resulted in dense deployments in diverse environments and has made the concept of anytime - anywhere data connectivity a realm of commercial reality. The ...
Yazdani, Arash (Date of defense: 2016-07-07)
Recent developments in optical communication systems have increased the performance of optical networks. Low attenuation fiber optics, high spectral purity lasers and optical amplifiers, among others, are systems that have ...
Urquiza Aguiar, Luis Felipe (Date of defense: 2016-04-05)
One of the main concerns of the cities' administration is mobility management. In Intelligent Transportation Systems (ITS), pedestrians, vehicles and public transportation systems could share information and react to any ...
Caubet Fernández, Juan (Date of defense: 2016-01-25)
Structured Peer-to-Peer (P2P) networks were proposed to solve routing problems of big distributed infrastructures. But the research community has been questioning their security for years. Most prior work in security ...
Jiménez Agudelo, Yury Andrea (Date of defense: 2016-07-06)
The simplicity of Internet design has led to enormous growth and innovation. In recent decades several network technologies, services and applications have appeared, which demand specific network requirements for their ...
Brugués de la Torre, Albert (Date of defense: 2016-05-13)
The ageing of the world's population combined with unhealthy lifestyles are contributing to a major prevalence of chronic diseases. This scenario poses the challenge of providing good healthcare services to that people ...
Lluch-Ariet, Magí (Date of defense: 2016-07-22)
The understanding of certain data often requires the collection of similar data from different places to be analysed and interpreted. Multi-agent systems (MAS), interoperability standards (DICOM, HL7 or EN13606) and ...
Machado Sánchez, Sergio (Date of defense: 2016-02-03)
The peer-to-peer (P2P) overlay networks are distribution topologies that take advantage of the ability that their nodes have to forward the information that they receive. For the particular case of video transmission using ...
Guasch Castelló, Sandra (Date of defense: 2016-02-05)
This PhD Thesis is the fruit of the job of the author as a researcher at Scytl Secure Electronic Voting, as well as the collaboration with Paz Morillo, from the Department of Applied Mathematics at UPC and Alex Escala, PhD ...
Catalán Cid, Miguel (Date of defense: 2016-02-10)
The IEEE 802.11 standard was not initially designed to provide multi-hop capabilities. Therefore, providing a proper traffic performance in Multi-Hop IEEE 802.11 Wireless Networks (MIWNs) becomes a significant challenge. ...
Mezher, Ahmad Mohamad (Date of defense: 2016-04-22)
Ad hoc networks have attracted much attention from the research community over the last years and important technical advances have risen as a consequence. These networks are foreseen as an important kind of next generation ...