Francesco Capozzi

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Long-term evolution (LTE) represents an emerging and promising technology for providing broadband ubiquitous Internet access. For this reason, several research groups are trying to optimize its performance. Unfortunately, at present, to the best of our knowledge, no open-source simulation platforms, which the scientific community can use to evaluate the(More)
Future generation cellular networks are expected to provide ubiquitous broadband access to a continuously growing number of mobile users. In this context, LTE systems represent an important milestone towards the so called 4G cellular networks. A key feature of LTE is the adoption of advanced Radio Resource Management procedures in order to increase the(More)
Long-term evolution (LTE) femtocells represent a very promising answer to the ever growing bandwidth demand of mobile applications. They can be easily deployed without requiring a centralized planning, to provide high data rate connectivity with a limited coverage. In this way, the overall capacity of the cellular network can be greatly improved. At the(More)
In the UTRAN Long Term Evolution (LTE), the downlink data channel is shared among the active users through the Orthogonal Frequency Division Multiple Access (OFDMA) technique, and high gains can be achieved by using dynamic packet scheduling. Control channels introduce an additional overhead, but also play a key role in exploiting such gains. This paper(More)
Bacterial vaginosis (BV) is a common vaginal disorder characterized by the decrease of lactobacilli and overgrowth of Gardnerella vaginalis and resident anaerobic vaginal bacteria. In the present work, the effects of rifaximin vaginal tablets on vaginal microbiota and metabolome of women affected by BV were investigated by combining quantitative PCR and a(More)
Low energy modes have been calculated for the largest possible number of available representatives (>150) of EF-hand domains belonging to different members of the calcium-binding EF-hand protein superfamily. These proteins are the major actors in signal transduction. The latter, in turn, relies on the dynamical properties of the systems, in particular on(More)
Direct detection heteronuclear NMR allows us to drastically reduce paramagnetic contributions to the line width as compared to 1H detection. As an example, a calcium binding protein (human oncomodulin), in which one of the calcium ions was selectively substituted with Tb3+, is used. Through a variety of 13C direct detection NMR experiments, resonances were(More)
Calcium signaling, one of the most widespread signaling mechanisms in cells, is generally carried out by EF-hand proteins, characterized by a helix–loop–helix motif paired in functional domains. EF-hand proteins may be viewed as molecular switches activated by calcium concentration transients. The EF-hand structural database has grown to a point where(More)
This paper focuses on the Physical Downlink Control Channel (PDCCH) and describes the impact of its realistic constraints. Specifically, the impact on the performance of the UTRAN LTE FDD downlink and on the QoS provisioning is studied. It is described, when adopting a QoS-aware packet scheduling policy, how scheduling limitations due to control channel may(More)
Femtocells represent a new technological advance, conceived to significantly boost cellular network performance. At the same time, several issues that could arise with their deployment, still need to be investigated. Unfortunately, to the best of our knowledge, no accurate simulation tools are freely available for dealing with femtocells. To bridge this(More)