Abstract: Spectrum sensing is one of the essential tasks to have a cognitive radio system, which will allow an unlicensed user, called secondary user, to utilize the spectrum while the licensed user, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Learn how to create clean and professional axonometric architecture diagrams with this quick and easy tutorial. Perfect for beginners who want to elevate their presentations and visual storytelling.

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

As anyone who has had the misfortune of dealing with civil service bureaucracy will know, it can be a complicated endeavour. There is the jargon, the minutes that bleed into hours spent on hold on the ...

Have you ever wondered how your body rids itself of waste products and maintains internal balance? The process responsible for this vital function is called excretion. As you go about your daily life, ...

Add realism (and a little mischief 😈) to your Minecraft home with a working doorbell! 🛎️ In this fun Redstone tutorial, you'll learn how to build a realistic doorbell using note blocks, buttons, ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of the ...

Have you ever found yourself staring at a blank page, trying to organize a complex idea or process, but not knowing where to start? Whether it’s mapping out a workflow, designing an organizational ...