6G takes shape through collaboration, and the University of Oulu is its engine
Finland has been here before. Investment in research and collaboration has built our strength through every mobile generation so far.
When the foundations of the next generation of wireless are being laid, timing matters. Contrary to popular belief, 6G is more than a technical step beyond 5G. 6G is a fundamental shift that connects directly to artificial intelligence, the data economy, critical infrastructure, security, and the resilience of society. That is why Finland and Europe need a hand on the wheel while 6G is still being steered, not once the course is set.
Engage early, and 6G turns into economic value. Arrive late, and the opportunities quickly narrow.
Patient work has put the University of Oulu at the international forefront of 6G. The roots reach back about thirty years, to the founding of the Centre for Wireless Communications (CWC), which built a research base for commercialising wireless technologies with industry. Oulu then launched the world’s first large-scale 6G research programme in 2018, while 5G was still being finalised. It was a strategic choice to build the next generation of expertise in time, alongside companies, research institutions and international partners.
A whole-system approach
Oulu’s central strength is breadth. 6G is not just radio engineering. It brings together wireless communications, artificial intelligence, software, data and cloud technologies, hardware and component expertise, new business models, security and resilience, sustainability and telecoms regulation. It has to account for the different development needs and priorities across countries and regions. The 6G Flagship at the University of Oulu has pulled these areas together into a shared research agenda and connecting it closely to European and global work.
Oulu is closely involved in the EU’s main 6G projects, where the basic architecture, sustainability and reliability of future networks are being defined. Collaboration extends beyond Europe to Asia and the Americas. That reach matters. 6G will be a global standard, and its benefits accrue to the countries and regions that can combine research, business and expertise into something coherent.
What it means for companies
For companies and investors, this is about expertise and foresight. 6G research produces more than finished technologies. It builds a working sense of where markets, needs and opportunities are heading. Companies that engage early can test ideas, build prototypes and form partnerships before the field matures.
Our research environments, pilots and test platforms let small and growing companies try new solutions without having to make large infrastructure investments of their own. That is how 6G research supports the renewal of the ecosystem and draws expertise and investment into Finland.
A platform for the digital society
Ultimately, the question is bigger than a single technology. 6G is a platform for the future digital society. It will underpin health, transport, industry, energy systems and security. 6G systems are built around resilience. They will support autonomous, multi-sensor decision-making and put AI to work at every level of the network. They will run energy efficiently and keep working under disruption, reducing the vulnerabilities of critical dependencies.
The next phase of 6G research opens significant cross-disciplinary opportunities. Around the core of wireless communications sit artificial intelligence, data science, cybersecurity, software, electronics, materials science, energy solutions, medical applications, and a range of societal and economic questions. That makes 6G a natural meeting point for different disciplines, and a setting where they renew each other through shared research.
This work flows directly from the University of Oulu’s strategy.
When 6G connects top-tier technology with societal needs and global challenges, the impact extends from individual technologies to whole solutions, healthier ecosystems, and competitiveness that holds up over time. Oulu’s role in 6G shows that Finland can make strategic, cross-disciplinary choices that carry far into the future. Finland isn’t watching this technological shift. We are building it.
About the author
Vice Rector for Research, University of Oulu