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, ...

IBM SPSS Statistics is the world’s leading statistical software. It enables you to quickly dig deeper and get insight into your data, making it a much more effective solution than spreadsheets, ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

24/7 Logistic Services is a moving carrier that specializes in long-distance moves. It's available in 48 states, excluding Alaska and Hawaii. It offers packing services in some locations and provides ...