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, ...

Abstract: Satellite communications (SatComs) have recently entered a period of renewed interest motivated by technological advances and nurtured through private investment and ventures. The present ...

Among the things I have not missed since entering middle age is the sensation of being an absolute beginner. It has been decades since I’ve sat in a classroom in a gathering cloud of incomprehension ...

If you want to start exercising, but have no idea where to begin, this is the workout for you. It's low-impact and suitable for beginners of all ages. This three-circuit routine will target your ...