While 5G is still in the process of global rollout, the race for 6G has already begun. Researchers and tech giants are now setting their sights on the sixth-generation wireless network that promises to revolutionize communication as we know it. Though still in the research and development phase, 6G is expected to bring unimaginable speed, ultra-low latency, and massive connectivity, creating a hyper-connected digital world.
Why Talk About 6G When 5G Is Still New?
5G technology is still being deployed globally, with only select regions currently experiencing its high-speed benefits. Despite this, experts and industry leaders have already taken a leap forward to research 6G, the upcoming generation of wireless communication. According to Mahyar Shirvanimoghaddam, a wireless communications expert at the University of Sydney, 6G could deliver data speeds of 1 terabyte per second (or 8,000 gigabits/second), opening the door for technologies we haven't yet imagined.
To put it in perspective, streaming Netflix in its best quality consumes about 56 gigabits of data per hour. With 6G speeds, users could potentially download over 140 hours of 4K Netflix content in just one second.
5G vs 6G: Key Differences
1. Spectrum Range
While both 5G and 6G use higher frequency spectrums than previous generations, the bands are significantly different.
5G: Uses sub-6 GHz and above 24.25 GHz bands.
6G: Will operate between 95 GHz to 3 THz, unlocking new use cases across multiple sectors.
2. Speed and Performance
6G is expected to be 100 times faster than 5G, with data rates reaching up to 1,000 gigabits/s and latency reduced to under 100 microseconds. This level of performance would transform real-time applications, from immersive VR to automated systems.
3. Boosting IoT to the Next Level
While 5G has enabled the rise of smart devices and IoT applications, 6G is expected to connect ten times more devices per square kilometer. This expansion will make smart cities, connected vehicles, and intelligent infrastructure even more efficient and scalable.
4. Ultra-Low Latency
4G: Around 50 ms latency
5G: Reduced to 5 ms
6G: Expected to go as low as 1 ms to 1 µs
This leap in latency reduction will enable real-time communication and data processing at unprecedented levels.
The Architecture of 6G: What Will It Look Like?
6G will be built on cutting-edge technologies like advanced AI, powerful edge computing, and smart automation systems. These components will allow for seamless integration, stronger resilience, and ultra-fast connectivity. The goal is not only to enhance speed but also to redesign and optimize the current network architecture to meet future demands.
Who’s Leading the 6G Revolution?
Many global tech leaders and universities have already jumped into 6G research:
University of Aveiro: Published a whitepaper in 2019 titled ‘Why 6G?’ exploring 6G drivers and key features.
Samsung: Began its 6G research in June 2019.
SK Telecom: Partnered with Ericsson, Samsung, and Nokia for joint 6G R&D efforts.
TeraView (UK): Received £191 million funding to accelerate terahertz research for 6G development.
Google & Apple: Joined the Next G Alliance to help define a roadmap for North America’s 6G ecosystem.
LG Electronics: Established a 6G research center and committed to playing a key role in global 6G standardization.
Conclusion: The Future Is Near
Although 6G is still in its infancy, the world is already preparing for this next wave of connectivity. The transition from 5G to 6G will not just be a technological upgrade—it will redefine how we live, work, and interact. With promises of ultra-high speeds, near-zero latency, and vast connectivity, 6G will lay the foundation for a truly hyper-connected world.
In a post-COVID era, where virtual operations are becoming the norm, 6G has the potential to create smarter cities, smarter businesses, and a smarter world. The future is not far off—and it’s faster than ever.