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, ...

Discover the best free alternatives to Microsoft Excel. These powerful, feature-packed solutions will help you work smarter and faster by allowing you to create comprehensive spreadsheets and analyze ...

The free software movement has come a long way in forty years. We want to take a moment to thank the people and projects who have helped bring us to this point, and ask for your support in the decades ...

The Food and Drug Administration issued an “early alert” concerning FreeStyle Libre 3 and FreeStyle Libre Plus sensors used by people who have diabetes. The agency said Abbott Diabetes Care has sent a ...