If there’s one lesson that’s clear from COVID-19, it’s that the world of making money online is here to stay. Thankfully, if you want to find full-time remote work opportunities, you have plenty of ...

Abstract: With the rapid development of mobile Internet technology, mobile products such as smart phones and ipads are popular, and mobile devices with different screen sizes have become the ...

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, ...