Spectrum scarcity is an emerging issue in wireless communication systems due to the
increasing demand of broadband services like mobile communications, wireless internet …

This paper shows the design of a digital ecosystem for e-learning in CONALTEL. The
theoretical referents of models such as the TPACK and the Digital Ecosystem in learning are …

The spectrum decision stage in cognitive radio (CR) wireless networks is in charge of
selecting and assigning channels to secondary users (SUs); an optimum selection depends …

Cognitive radio is a technique that was originally created for the proper use of the radio
electric spectrum due its underuse. A few methods were used to predict the network traffic to …

The stage of spectral decision making in cognitive radio networks (CRNs) with centralized
topologies depends, among other variables, on the reliability of the characterization model …

The digital migration of television offers an opportunity to improve the spectral efficiency
through TV White Spaces, which are frequencies allocated within the television bands that …

En la actualidad el uso del espectro electromagnético se ha venido incrementando debido
al insostenible crecimiento en la utilización de dispositivos móviles, acceso a internet …

Currently, TV white spaces are considered as an opportunity to use more efficiently the radio-
electric spectrum in the digital television band all over the globe. The purpose of this article …

En la actualidad el uso del espectro electromagnético se ha venido incrementando debido
al insostenible crecimiento en la utilización de dispositivos móviles, acceso a internet …

In the recent past, Cognitive Radio (CR) technology has been regarded in the literature as
the most promising technology for performing dynamic spectrum management. One of the …