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, ...

This Fallout: New Vegas beginner's guide will show you how to survive the Mojave Desert. With a free weapon and a few ...

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, ...

Fidelity National Information Services (FIS) has quietly turned in a mixed stretch, with the stock up over the past week and month but still down sharply year to date and over the past year. See our ...

The investment seeks to provide a high current yield exempt from federal income tax. The fund normally invests at least 80% of assets in investment-grade municipal securities whose interest is exempt ...

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