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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, ...

Optical wireless communication (OWC) refers to transmission in unguided propagation media through the use of optical carriers, i.e., visible, infrared (IR), and ultraviolet (UV) bands. In this survey, ...

Playing video games is an expensive hobby. Whether you’re purchasing a brand-new console or buying the latest releases, keeping your digital library padded with the latest games can be costly. Luckily ...