The future of wireless connectivity is approaching rapidly, with 6G set to surpass 5G by integrating communications, sensing, positioning, and computing into an intelligent, responsive network. Baha Badran, Global Head of Engineering, at Taoglas, argues that by combining terrestrial and non-terrestrial infrastructure, advanced antennas, and AI-driven optimisation, 6G promises ultra-fast, reliable, and globally accessible connectivity, transforming industries and everyday digital experiences.
The next chapter beyond 5G
As an industry, we’re still busy unlocking the full potential of 5G, yet research communities and standardisation bodies are already sketching the outlines of what comes next.
The early vision for 6G is bold. It imagines a network that blends communications, sensing, positioning and computing into a single, intelligent fabric – one capable of responding to the physical world with far greater awareness and agility than anything we have today.
For markets such as IoT, which depend on reliable, adaptable and wide-reaching connectivity, this evolution forms a natural part of the wider shift towards more intelligent and interconnected digital systems.
One of the most striking elements of the 6G roadmap is its ambition to integrate terrestrial and non-terrestrial networks (NTN) from the outset. Satellites, high-altitude platforms and airborne systems will work alongside ground-based infrastructure to deliver far more consistent global coverage.
That shift alone could transform areas such as logistics, environmental monitoring and industrial automation, where connectivity gaps still limit what connected systems can achieve. Add to that the possibility of sub-millisecond latency, near-instant data transfer and significantly enhanced localisation accuracy, and it becomes clear just how much the wireless landscape is set to evolve.
Engineering at the Edge of the spectrum
Naturally, such a wide-ranging vision brings with it a demanding technical brief. 6G is expected to operate across an enormous span of frequencies – from sub-1 GHz bands all the way into the 90–300 GHz sub-THz range – with each layer playing a distinct role.
Designing hardware that works efficiently across such a broad spectrum is no small task. As frequencies rise, propagation distances shrink, energy demands increase and interference becomes more challenging to manage. These realities are already influencing the way network architects think about infrastructure density, distributed MIMO and advanced signal coordination techniques.
Antenna innovation accelerates
For those of us working in RF design, it’s clear that antennas will continue to evolve at pace to meet these changing requirements. They’re becoming smaller, more agile and more deeply integrated with the RF front end and baseband. The idea of the antenna as a static, fixed-function component is giving way to something far more dynamic. Researchers are exploring electronically steerable arrays, intelligent beam-shaping techniques and antenna structures that can adapt in real time based on user mobility or network conditions.
Concepts like reconfigurable intelligent surfaces (RIS) – panels capable of shaping radio waves across large areas – are showing real promise in early studies. Meanwhile, metamaterial-based designs are opening the door to ultra-compact, highly controllable radiating elements operating effectively at extremely high frequencies.
Materials science is also playing a crucial role in this journey. As we push further into the THz region, traditional substrates face performance and thermal limitations. That’s why organisations across the world are testing low-loss ceramics, novel polymers and graphene-based conductors that maintain efficiency even as antenna geometries shrink.
Additive manufacturing and advanced production techniques are helping to accelerate prototyping, making it easier to experiment with complex structures that would have been impractical only a few years ago.
Shaping the networks of tomorrow
What makes this period particularly exciting is the increasing role of AI and machine learning in the design and optimisation of RF systems. These tools allow us to navigate vast design spaces, predict performance trade-offs and automatically tune arrays for optimal coverage or energy efficiency.
In future 6G networks, AI won’t just support the back end or the cloud. It will shape how radios interact, how antennas adjust their patterns, and how devices maintain stable links in dense, fast-changing environments. The convergence of engineering experience and intelligent algorithms is unlocking solutions that previously would have taken years of manual iteration.
Even with all the momentum around 6G, this remains very much a research-led phase. Trials towards the end of the decade are realistic, but large-scale commercial rollout will depend heavily on global standardisation efforts and ecosystem readiness.
In the meantime, many of the advancements we’re discussing, such as adaptive arrays, improved materials, and software-defined control, will surface first in 5G-Advanced products and early 6G prototypes. This gradual evolution is no bad thing. It gives device manufacturers, technology developers and infrastructure providers time to absorb new capabilities and bring them into mainstream use with confidence.
What’s clear even at this early stage is that the journey to 6G is not about one technology acting in isolation. It’s a combined effort across semiconductors, RF, software, cloud computing, sensing and AI.
Within that ecosystem, antennas are stepping into a more capable, more intelligent and more collaborative role. They remain a fundamental interface between the digital and physical worlds, and their evolution is central to enabling the resilience, efficiency and adaptability that future connected systems will depend on.
As we look ahead to the next decade, we’re optimistic. The research underway today across universities, standards bodies and industry partners is laying the foundation for a digital landscape that is more connected, more globally accessible and more responsive than ever before.
We are building towards networks that don’t simply move data but actively understand and enhance the environments they serve. Antenna innovation is a vital part of that journey, and its progress will shape the possibilities of 6G in ways that are only just beginning to emerge.
Author biography:
Baha Badran, Global Head of Engineering, at Taoglas, has over 20 years of experience in RF, antenna design and product development across thousands of projects. He currently leads a team of 60 engineers at Taoglas and is an expert in the field of RF and radio communications.
