Abstract: In this work, we study the active user detection and channel estimation problem in massive multiple-input multiple-output (MIMO) grant-free random access systems. To exploit the favorable ...

What are the best Project Zomboid mods? While mods can be applied to most games, there's something particularly special about sandbox games where it feels like almost anything is possible. Project ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Matthew Guay After a new round of testing, Sunsama is still our favorite ...