Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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En el día a día de un despacho, la presentación de escritos electrónicos se ha convertido en un estándar ineludible. Sin embargo, no basta con redactar el documento correctamente ni con cumplir los ...

Firmar digitalmente en Windows ya no es cosa de expertos: hoy puedes validar documentos y cerrar trámites desde casa sin imprimir ni escanear. En esta guía vas a ver, de principio a fin, cómo ...

Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

Windows 11 is available for download worldwide. Microsoft has released it as a free upgrade, which means you do not need to pay to upgrade your computer to Windows 11. It is available for free ...

Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude of ...

Having a digital certificate in Spain will save you time in terms of bureaucracy, but it's not always that straightforward to understand. Photo: David L. Espina Rincon/Unsplash If you live in Spain, ...

Aunque existe una forma de firmar documentos en Mac con tu firma real, lo cierto es que no es un método legal. Podría no servir para firmar documentos oficiales y de ahí que pueda ser interesante ...

Find out how to use and install Autofirma, Spain's digital signature for official online documents and learn when you'll need it. First of all, you need to understand what Autofirma is. It’s ...

If you’re completely new to Microsoft Word, you’re probably wondering where to begin. You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save ...