A. Manuel De Oliveira Duarte

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Although the spread has been established as a leading indicator of economic activity, recent studies in US and European Union (EU) countries have documented, theoretically and empirically, that the term spread–output growth relationship may not be stable over time and it may be subjected to nonlinearities. Using aggregate data for the Euro area over the(More)
1Research Institute, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal miguel@aveiro-norte.ua.pt 2Broadband Systems Group, Department of Electronics and Telecommunications, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal pedrobeca@det.ua.pt 3Institute of Electronics Engineering and Telematics(More)
This abstract presents Aprend.E—Electronic Integrated System for Learning and Training of High School Aveiro Norte, a new challenge of the University of Aveiro for professional training and long life training. It describes the motivation that induced its implementation, advantages for students, teachers and for all those whom the system serves.
As an answer to growing public demand, the telecommunications market is providing newly developed alternative broadband infrastructures. Around the world there is a massive deployment of New Generation Telecommunications Networks (NGN). These new generation networks have become part of new economic plans for many Telco operators and governments. Despite(More)
This paper presents a study on cost/benefit analysis regarding WiMAX in Europe. The first step is the engineering process (the cellular planning to be more accurately) in which the number of base stations needed to provide coverage and to ensure the quality of service in a given environment (rural, suburban or urban) is calculated through mathematical(More)
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