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, ...

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, ...

Today Islamic date in Bangladesh is calculated as per the lunar-based calendar which consists of 12 Lunar months in a year of 354 or 355 days. A Muslim must know about the exact Islamic date today or ...