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, ...

If I had a nickel for every time I covered an episode of TV titled “Eat the Rich” in fall 2025, I’d have two nickels, which isn’t a lot, but it’s weird that it happened twice. Unlike 9-1-1‘s Season 9 ...

The North American Aerospace Defense Command is set to launch its Santa tracking program Monday, giving kids and families a front-row seat to Santa Claus’s Christmas Eve journey. NORAD has tracked ...