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The lack of professionals is considered a major risk to the Industrial Pole installed in Manaus, Brazil. Specially, STEM education is intricately difficult and if the student is not well involved, supported and motivated, the chances of success are very low, which can be verified by the 25% to 30% dropout rate per semester in our institution. Given this scenario, a qualification program denominated...
Embedded systems have evolved significantly in recent years, mainly due to advances in technology, cost reduction of electronic equipment, and the popularization of mobile devices. Many of these systems require energy resources from battery to maintain the operation of their various components. However, to increase the autonomy of these devices, several techniques and methodologies have been implemented...
Localization systems play a major role in many applications for Vehicular Ad Hoc Networks (VANets). Although Data Fusion techniques can provide reliable localization information for most of the application requirements in VANets, enhancements on the localization systems are required and desirable. Unique characteristics of VANets such as mobility constraints, driver behavior, and high speed displacement...
Today, software developers for desktop computing build request and respond applications to do what end users tell them to do and answer what they ask. In mobile computing, software developers will need to develop sense and response applications that will interact with the end user. These applications will notify or ask users what they want based on what they have sensed or on a personal profile. Mobile...
Sink nodes are responsible for aggregating data gathered by a Wireless Sensor Network (WSN) and transmitting them to a monitoring facility. Usually, these are static nodes that serve as gateways to infrastructured networks. In some applications, these sink nodes move around the monitoring area, usually in lower speeds (e.g., robots, dirigibles). In this work, we go further and study WSN scenarios...
In wireless sensor networks, there are some network functions and applications that need to know the local time of a node in order to timestamp a sensed data. In general, it may be unfeasible to have a synchronization hardware in each sensor. In this work, we propose a heterogeneous wireless sensor network model based on small world concepts to improve synchronization algorithms for wireless sensor...
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