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: Multiple access (MA) is a crucial part of any wireless system and refers to techniques that make use of the resource dimensions (e.g., time, frequency, power, antenna, code, and message) to ...

It is late November, and that means the return of Survivor Series and the WarGames match. The five vs. five match inside a double ring surrounded by a cage is one of the highlights of the WWE calendar ...