Project Terranova building high standard 5G network

high standard 5G network

The upcoming mobile radio standard 5G promises an enormous increase in performance in wireless communication. According to the Federal Network Agency’s reports, existing frequency bands are not going to suffice. As the demand for stable wireless communication will continue to increase in the years ahead.

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Together with Fraunhofer HHI and European partners from industry and research Fraunhofer IAF is starting the project Terranova. Its primary goal is it to embed wireless links with carrier frequencies in the THz range into fiber optic links. Thus enable very high data rates on the entire transmission path. Wireless data transmission with up to 400 Gbit/s for network expansion. Also, the development of new frequency bands is part of the project. Terranova funded by the European Commission within “Horizon 2020”.

Microwave technology

By combining established fiber optics with the microwave technology. Scientists aspire to enable a network connection in the THz frequency range. Stable enough to transport data wirelessly at a rate of up to 400 gigabits per second. To date, such transmission rates are only possible using pure glass fiber connections. However, the laying and routing of the fiber can entail high costs and effort. One of the reasons why rural areas divert more and more from technology’s current state of the art.

“We are working on a transfer from optical to wireless data transmission, one could say from ‘radio over fiber’ to ‘fiber over radio,'” explains project manager Thomas Merkle from Fraunhofer IAF. IAF researchers are developing and testing the hardware implementations of the future-oriented network structure in close collaboration with Fraunhofer HHI.

Though limited in scope at 300 GHz, the great advantage of wireless links is their ability to easily bridge water, as well as mountainous or inaccessible terrain. Today, mobile radio base stations are already supplied with data via radio, but with very limited data rates. In contrast to the complex laying of fiber optic cables, data transmission via radio realized quickly, easily and wirelessly over a distance of up to one kilometer using the point-to-point wireless link technology.

Smart Factories

The advantage of the wireless THz radio communication lies within the big variety of possible applications. Its interest both for “Smart Factories” with connected machines and devices, as well as for the connection of base stations supporting the expansion of mobile radio and Wi-Fi networks. The integration of THz radio communication represents a real alternative to the classical glass fiber networks for the long-term expansion of high-speed internet in rural areas as well as for wireless connections in data centers.

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With the combination of wireless link and fiber optics, the Terranova project is taking a step towards future data networks beyond the 5G standard.

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