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: High-efficient and power-dense ac–dc power electronic converters are demanded for a wide range of applications, such as motor drives and active rectifiers. The utilization of wide bandgap ...

Note that although the file size did not change during steps 3-5, the entropy decreased, indicating more zeros within the file, thereby providing more compression opportunities for subsequent steps.

Graphic design is everywhere. From the logos on your favourite products to the fonts and colours used by your go-to websites, graphic designers shape our visual world. Mastering graphic design unlocks ...