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Background: Requirements management is considered one of the activities responsible for system failures. The difficulty regarding to requirements trace ability makes the system changes hard to be managed. Objective: This paper presents two approaches that allow the automated generation of the Requirements Trace ability Matrix (RTM): the RTM-E approach, which is based on the requirement input data,...
One of the main issues regarding a gaseous detector is the gas flow inside the detector itself. A bad gas flow can affect irreversibly the chamber performance. On the other hand optimizing gas circulation inside the detector could allow a safe and reliable operation even with less gas consumption while at the same time maintaining high performance. Simulations and comparison between several different...
In this paper we present a novel mathematical approach to evaluate the degree of connectivity of a multi- sink wireless sensor network, where sink and sensor nodes are uniformly distributed over a given region. We consider both unbounded and bounded domains, specifically squares, and the impact of border effects is also shown. Random fluctuations as well as a distance-dependent deterministic path-loss...
Pervasive applications and in particular Wireless Sensors Networks have very strict requirements in terms of power consumption. It is well known that radio activity is very expensive in terms of energy; we show here that intensive processing activities (as security) represent a major contribution to power budget. In this paper we extend our methodology for analyzing the impact of security related...
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