This block-based, self-hostable notes app is the first Obsidian alternative that genuinely tempted me to switch.

Modern Warfare 4 is set in a rapidly escalating global conflict centered on the Korean Peninsula. War erupts on the Korean Peninsula as North Korea launches a full-scale invasion that threatens to ...

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 ...