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, ...

HIGHS Perky acceleration, spacious cabin, pleasant interior design. LOWS Lack of rear glass takes getting used to, big blind spots, all-wheel drive model's range is shorter than equivalent Polestar ...

House Democrats on the Oversight Committee have released 19 photos obtained from Jeffrey Epstein’s estate that include several images of US President Donald Trump. The committee said the pictures are ...