Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
In this paper, we show that Service Oriented Architectures enable exchanges to be more flexible inside the virtual enterprise (VE), because they create an electronic market-place b...
The contemporary technological evolution requires higher levels of education and new skills from the work-force making people more conscious of the importance of being better educ...
Maria Helena Lima Baptista Braz, Sean W. M. Siquei...
Abstract—Recent breakthroughs in circuit and process technology have enabled new usage models for non-volatile memory technologies such as Flash and phase change RAM (PCRAM) in t...