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, ...

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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, ...

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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 ...