AccelerComm, Radisys, RFDSP & TTP unveil LEO Regenerative 5G RAN solution

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Companies unveil a LEO Regenerative 5G RAN reference solution architecture.

www.accelercomm.com/, Sept. 20, 2023 – 

AccelerComm, the Layer 1 5G IP specialists, Radisys® Corporation, a global leader of open telecom solutions including 5G RAN, RFDSP Lower-Phy IP specialists and TTP, an independent technology and product development company based in the UK, today announced that they are jointly formulating a high-performance Regenerative 5G RAN reference solution and architecture based on 3GPP for deployment on low-earth orbit (LEO) satellites. The partnership combines expertise and IP from these companies, together with additional technology from partners, to propose a 5G regenerative gNodeB solution that is tailored to support high-performance 5G services in the challenging environment of a Non-Terrestrial Network (NTN).

In a typical LEO deployment, a constellation of fast-moving satellites covers a wide geographical area using a large number of beams per satellite to cover a multitude of subscribers. The 5G Regenerative NTN solution includes Option-2 split gNB with a distributed unit (DU) on the satellite payload with a ground-based centralized unit (CU) and 5GC. The solution handles unique regenerative NTN-specific requirements of extremely high mobility with frequency re-association between the DU, GW and CU serving a region and large-sized cells spanning multiple countries requiring country-specific CN routing. Moreover, any gNodeB platform for space applications will be highly constrained in size, weight, and power, and must be able to work in a hostile space environment.

The joint LEO Regenerative reference solution will be designed to meet the growing demand for satellite-based eMBB (enhanced Mobile Broadband) and IoT (Internet of Things) services. This makes it an ideal solution for businesses and organizations that need to connect people and devices in remote locations, or for governments looking to provide internet access to all citizens. The solution will support a large number of beams and high subscriber density and will be delivered on a space-hardened platform optimised for low power and size. It includes a range of advanced developments in the areas of beam-to-cell mapping, beam forming, NTN beam management and well-defined interfaces to SATCOM infrastructure.

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