Croatian Telecom/Hrvatski Telekom was the first in the Republic of Croatia to demonstrate revolutionary 5G technology in the existing 4G frequency spectrum.
As Poslovni Dnevnik writes on the 6th of June, 2020, recently in Samobor, Croatian Telecom tested out the technology that enabled fast coverage with 5G services in larger areas. It is a technology which deals with dynamic spectrum sharing, or DSS, the application of which is crucial for the rapid implementation of 5G technology.
In the area of Samobor, Croatin Telecom enabled 5G technology on ten base stations in the 2.1 GHz frequency band with five base stations in the 3.5 GHz band, which enabled the largest 5G area in terms of speed and coverage in all of Croatia.
The application of DSS technology enables the current use of existing frequencies for 5G, and reduces the need for new base stations and locations with specific 5G frequencies. The application of 5G technology is crucial for connecting a large number of sensors, industrial devices, drones and autonomous vehicles, where the reliability of the connection is even more important than the data transfer speed, which can only be guaranteed by a quality radio signal using frequencies in the so-called middle band – 1.8-2.1 GHz. A commercially available Samsung S20 5G terminal was used to test the 5G functionality.
“By applying dynamic spectrum sharing technology, we tested out the largest 5G coverage area by combining 5G technology in separate (3.5 GHz) and shared 4G/5G spectrums (2.1 GHz) and thus made the biggest step forward in the development of 5G technology in Croatia, and once again proved that we have a leading network in Croatia,” pointed out Boris Drilo of Croatian Telecom.
The simple and rapid implementation of dynamic spectrum sharing technology, which allows existing frequency resources to be dynamically shared between both 4G and 5G technology, is possible thanks to the recently completed modernisation of Croatian Telecom’s entire mobile network. The project, which lasted more than two years, represents the largest private infrastructure investment in Croatia in 2019.
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