The FDP on “Next-Generation Communication Systems and AI-Driven Signal Processing: Trends and Applications” aims to provide insights into emerging communication technologies and intelligent signal processing techniques. It covers key advancements from classical to quantum communication, including RIS, fluid antennas, and 6G systems. The FDP on “Next-Generation Communication Systems and AI-Driven Signal Processing: Trends and Applications” aims to provide insights into emerging communication technologies and intelligent signal processing techniques. It covers key advancements from classical to quantum communication, including RIS, fluid antennas, and 6G systems.