Every decade, a new telecom generation emerges, with 5G currently being commercialized, offering faster data rates, low latency, and enhanced reliability. 6G is characterized by Tbps data rates, microsecond latency, and extensive network dependability. Operating in the THz spectrum, it extends to applications beyond connectivity, encompassing energy harvesting, sensing, and more. This article offers a comprehensive introduction to 6G, encompassing aspects such as its frequency spectrum, technological advancement trajectories, and global roadmap. The insights presented here draw from the most recent findings of the IDTechEx research report titled “6G Market 2023-2043: Technology, Trends, Forecasts, Players.” This report offers valuable perspectives and commercial outlooks for this emerging area.
