The evolution toward 6G networks is redefining the very foundations of communication. Rather than simply transmitting large volumes of data with high reliability, future networks must support intelligent, real-time systems where communication, sensing, and decision-making are tightly integrated. The key challenge is no longer just how fast or how accurately data is delivered, but how useful that data is for a specific task. This shift is particularly critical for emerging applications such as autonomous systems, digital twins, and industrial automation, where timely and relevant information directly impacts system performance and safety.
In this context, the 6G-LEADER project embraces the goal-oriented, semantics-aware communication paradigm. Instead of a “more data is better” approach, the focus is on transmitting only the important and relevant information. By integrating concepts such as information freshness (e.g., Age of Information) with advanced semantic metrics that capture context, relevance, and task utility, communication systems can intelligently decide what, when, and how to transmit. This enables significant improvements in energy efficiency, network scalability, and responsiveness, while reducing unnecessary data transmissions.
6G-LEADER contributes to shaping a new generation of communication systems that are not just data-driven, but goal-driven. By bridging communication theory, control systems, information theory, and artificial intelligence, the project paves the way for networks that actively support decision-making processes in complex environments. This vision is essential for realizing connected intelligence at scale, where networks become enablers of autonomous, efficient, and sustainable digital ecosystems across Europe and beyond.
Reference:
J. Luo, E. Delfani, M. Salimnejad, and N. Pappas. “From Information Freshness to Semantics of Information and Goal-oriented Communications.” arXiv:2512.12758, Dec. 2025.




