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With so many books in the world, reading can be an endlessly expensive hobby. But thanks to the internet and the magic of libraries, there are a ton of ways to read your favorite books for free, from ...

They are hidden in apps, search engines and even in error messages - and yet they are completely invisible to many: six free mini-games on your smartphone that in many cases trigger feelings of ...

Abstract: This paper studies a secure cell-free integrated sensing and communication (ISAC) system, in which multiple ISAC transmitters collaboratively send confidential information to multiple ...

Abstract: Cell-free massive multiple-input multiple-output (CF-mMIMO) can provide uniformly great service to user equipment (UE) by utilizing a large number of distributed access points (APs) ...