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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It wouldn't be the holidays without at least one viewing of the time-honored TV special, "A Charlie Brown Christmas." The beloved movie first aired on national TV in 1965, instantly becoming a classic ...

“Smiling Friends” is wrapping up the year with the 8th episode of its 3rd season. The season finale is called “The Glep Ep,” and in it, well, we don’t actually know what’s going to happen, because the ...