Sfairopoulou, Anna (Date of defense: 2008-07-28)
In IEEE 802.11 WLANs, Link Adaptation mechanisms, which choose the transmission rate of each node, provoke unexpected and random variations on the effective channel capacity. When these changes are ...
Della Valle, Fabio (Date of defense: 2021-11-29)
This thesis presents a study of blockchain impacts for supply chain (SC) application. By conducting explorative research, the thesis presents a grounded theory analysis based on eighteen interviews with ...
Sánchez Artigas, Marc (Date of defense: 2009-01-12)
En los últimos años, las redes peer-to-peer (P2P) ha experimentado una fuerte expansión. Estos sustratos se constituyen en forma de redes overlay o de recubrimiento que interconectan usuarios de manera ...
Liao, Ruizhi (Date of defense: 2014-10-06)
IEEE 802.11 based wireless networks, especially the infrastructure based Wireless Local Area Networks (WLANs) or Wi-Fi networks, are hugely successful, and have become an indispensable part of our life ...
Sanabria-Russo, Luis (Date of defense: 2016-10-21)
Using a deterministic backoff after successful transmissions as a distributed contention mechanism for access to the channel can draw benefits from scheduled operation, like the elimination of simultaneous ...
Cao Minh, Trang (Date of defense: 2014-09-25)
Through advances in sensor, networking, semiconductor and energy storage technologies, Wireless Sensor Networks (WSNs) are increasingly being deployed in many important applications to enable users to ...
Batikas, Michail (Date of defense: 2011-07-04)
Les motivacions entorn al programari lliure han estat sempre un tema de gran interès, sent la pregunta més obvia, "perquè les persones treballen de forma gratuïta?". Les motivacions dels desenvolupadors ...
Cano Bastidas, Cristina (Date of defense: 2011-03-04)
In the last few years Wireless Sensor Networks (WSNs) have become an interesting field of research mainly due to the challenges and constraints of their design and the broad range of potential applications ...
Barceló Vicens, Jaume (Date of defense: 2009-03-20)
Aquesta tesi suggereix usar un compte enrere determinista després de les transmissions exitoses en les xarxes d'àrea local sense fils. Com que les estacions que han transmès amb èxit en el seu darrer ...
Bellalta, Boris (Date of defense: 2007-02-23)
Les xarxes WLANs possibiliten un accés de banda ampla a Internet des <br/>d'un terminal mòbil, essent una possible solució alternativa a les <br/>xarxes cel·lulars. Tanmateix, aquest tipus de tecnologia ...