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, ...

The already widening divisions appeared to be unbridgeable after it emerged that eldest son Brooklyn had blocked his entire family on Instagram, where he currently boasts more than 16 million ...

Top 10 Countries with the Highest IQ List: IQ, or intelligence quotient, is a way to measure how well a person can think, reason, and solve problems. IQ tests usually check skills like logical ...