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, ...

Supplied with a cover for dust protection, this white sewing machine is equipped with a choice of 18 stitch types and a four-step button hole creator. We hope you love this product, but if you decide ...

Although there’s no shortage of free VPNs for PC, very few can be trusted. Some of the many problems you’ll face using one include slow speeds, limited server locations, data caps, insufficient ...

Katherine Haan, MBA, is a Senior Staff Writer for Forbes Advisor and a former financial advisor turned international bestselling author and business coach. For more than a decade, she’s helped small ...

Abstract: 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 ...

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 ...