The telco has seen a big bandwidth boost after introducing L-band to its WDM frequencies
A1 Telekom Austria, has successfully modernised its international Wideband Dense Wavelength Division Multiplexing (DWDM) network using Nokia’s 1830 PSS optical transport platform. The telco said the technology significantly enhances its capacity to handle vastly increased bandwidth. Thanks to the introduction of an additional WDM frequency band, the L-band, A1 has doubled the available fibre spectrum, and so can deploy twice the number of WDM channels over its existing fibre infrastructure.
The newly implemented Nokia 1830 PSS system offers “advanced spectrum flexibility and optimised performance” across the network. As a result, A1 is now capable of transporting data at speeds up to 400Gbps, 600Gbps, and 800Gbps, with plans to scale up to 1.2 Tbps in the near future. This represents a significant leap from the previous maximum of 100 Gbps.
As part of the modernisation, A1 Telekom Austria replaced 68 ILA sites and 24 Add-Drop nodes across 6,478km of its fibre infrastructure. The integration of the new amplifiers posed significant technical challenges, particularly the migration of amplifiers between add-drop nodes, which had to be completed within the same maintenance window. However, through coordination with local partners, A1 Telekom Austria said it overcame these obstacles, ensuring the smooth execution of the project.
The modernisation process now means A1 can offer an enhanced and fully optimised network that serves customers across three best-in-class routes from the Turkish border to Frankfurt. A1 said this upgraded network provides robust connectivity to all major capitals and cities between Turkey and Germany.
“We are excited to introduce the latest technology to our international WDWM network, which will undoubtedly provide our customers with improved connectivity and future-proof performance,” said A1 Telekom Austria International business director Denis Filazafovitch (above).
He added: “This project demonstrates our commitment to innovation and our ability to work closely with local partners to deliver state-of-the-art infrastructure. The new network ensures that we are well-positioned to meet the increasing demands for bandwidth in the years ahead.”
“We are proud to work with A1 for the modernisation of its international network, where our services capabilities have been crucial to the overall project success,” said Nokia head of optical networks Europe Stefano Grieco. “The integration of our 1830 PSS system marks a significant milestone in enabling A1 to meet the ever-growing demand for high-capacity services. This upgrade not only enhances network performance and scalability but also reaffirms our commitment to providing innovative solutions that drive the future of connectivity.”
